TW567734B - Implementation of basic call setup transporting layer address and logical point in forward direction in cellular networks with separation of call control and bearer control - Google Patents

Abstract

The invention herein relates to implementation of basic call set-up for GSM/UMTS core networks, including supplementary services CFU, CFB, CFNREA, CFNRY, CW, HOLD and MPTY, with transporting Media Gateway address and logical point coding and framing information in a forward direction in cellular networks with separation of call control and bearer control. Call set-up is described in various traffic cases.

Description

567734 A7

567734 A7 B7 V. Description of the invention (2 Use of logical points in the media gate to allow different control servers to control a media gate. (Please read the precautions on the back before filling out this page) To configure the control node Each gate has a PC and is given to the MSC, and the TSC server controls the feasibility of several media gates. The user-oriented routing for call establishment is effectively optimized. The user-oriented routing for additional services CFNREA, CFB, CFNRY, and CFU are effectively optimized. The user directs the route for additional services Cw, HOLD is effectively optimized. If the call stays within a network or exceeds a network boundary, only use A media gate; if the call exceeds two network boundaries, two MGWs are involved. Each MGW is at the edge of the network. The size of the pipeline on the user side is the user plane to the edge of the network by transfer coding (compression). Or, for example, the flashing and optimization of MGWs used for Mρτγ calling. Allows the storage of conference call devices in MGWs. Combining the voices of different codes in one Mρτγ. Further features and advantages of the present invention The specifications and diagrams below are immediately apparent. The diagram is simple. Printed on Figure 1 is a block diagram depicting basic call setup for calls from UE to UE's Media Gateway Address System. Forwarding direction transfer; Figure 2 is a block diagram depicting basic call establishment for use in a call. For a £ call, the media gate address is forward transfer; Figure 3 is a block diagram depicting basic call establishment for use in a gMSc. Zhongqianxing-5 · This paper size is in accordance with China's national private standard (LNbM4 specification (21 × 297 public and intellectual property bureau of the Ministry of Economic Affairs employee consumer cooperatives printed 567734 A7 ------------ V. Description of the Invention (3) For a call to an ISDN number, the media path address is transmitted in the forward direction; FIG. 4 is a block diagram depicting the establishment of a basic call for a call to the UE number in the middle of the media gate address FIG. 5 is a block diagram depicting basic call establishment for calls from u E to u E with a call in the GMSC, and the media gateway address is transmitted in the forward direction; 6 series of 10,000-block diagrams depicting basic calls Call is set up to forward the call to the ISDN number in msc. The media closed-circuit address is transmitted in the forward direction. #Figure 7 is a block diagram depicting basic call set-up for waiting and receiving calls in different situations. Pg For the call, the media gate address is transmitted in the previous direction; / Figure 8 is a block diagram depicting the basic call establishment for waiting and receiving calls in a mgw. The media gate address is the previous Figure 9 is a block diagram depicting basic call setup for use in a call, and media gate addresses are transferred in the forward direction; Figure 10 is a block diagram depicting basic call setup for use in an MSC to ISDN For number calls, the Msc is set to connect between MGW1 and chess body closed circuit MGW2; Figure 11 is a block diagram depicting basic call establishment for call waiting and hold; and Figure 12 is a block diagram depicting basic call establishment to Used for MPTY calls with CCDs only on mgw3. Detailed description of the invention ^, ----- r --- order --------- line · (Please read the precautions on the back before filling this page)

567734 Printed by the Consumer Property Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 V. Description of the invention (4 The invention is related to enabling and optimizing calls in the telecommunications network to establish separate call control and holder control, that is, payroll connections The establishment of the call control and the separation of the payload transmission means that the communication between control nodes such as MSCs, GMSCs and TSCs < Road can use the minimum resources to perform the optimization < 疋 route for payload. Depending on the call conditions, originating call, terminal call, internal call or transfer call, it only needs to have one or a maximum of two media gates. In particular, the invention relates to a method comprising selecting in the forward direction J and transmitting the f-gate identification, that is, the first control node or the first control node will select the media gate according to the following:-the call originator ;-The destination of the beer call (mainly using the material-side control node transfer switch or said, and for encoding and decoding); or-the required service (speak, fax or other) for all calls In certain call situations, further information may be relevant for the selection of MGW, such as:-cited services, such as CFB;-code for payload (if the spoken voice is compressed, it is clear & ^ cylinder ， Song praised for maintaining compressed < spoken data throughout the network to save transmission capacity or frame of calls. '〆 = This invention relates to the forward direction in the network by calling the owner_separation to transmit media The gate position, logical point code form and selected frame form are used to realize the delay, and the basic call is established. The GSM / UMTS additional services CFU, CFB, NKEA, CFNRY, CW, this paper standard Applicable to China National Standard (CNS) A4 specification (210 x 297 mm Γ i I -------- Order --------- line (Please read the precautions on the back before filling this page) 567734

V. Description of the invention (5 Hold and MPTY printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. The establishment of beer calling is described with different traffic situations, and each description is related to-in the drawings. ㈣ or ㈣⑽ heart network (none, line communication system, system block diagram with the control verb server and the direction of the control signal. The arrow and has) ^ (3 贸 3 during call establishment, use In different traffic situations. The descriptions written here describe the information carried in each signal. Here and in the diagram, specific signals are identified by reference symbols. In the traffic situations described here, Many calls are related to mobile terminals or fixed terminals, such as transponders, PCs, or phones located in the network. Here, this mobile terminal is called user equipment (UE), and the UE uses radio resources The control (RRC) protocol communicates with the network via the RNC (Radio Network Controller) .: A logical point is a reference that is locally generated by borrowing a media gate and only has a valid identification such as MSC / VLR (MSC / Visitor Location Temporary). Save the piano), GMSC, TSC The address of the connected media gate in the control server in the RNC. For this purpose, the logical point p in the first MGW1 will be reserved. This reserved point will be sent back to the control server with the DCP resource response information. This control server is passed to another media gateway MGW2 or RNC which will establish an AAL2 connection. In this establishment, there will be a logical point P to identify which reserved resource in MGW1 should establish a connection. This logical point is equivalent Terminals used in the H.GCP protocol standardized by the ITU. The above control nodes, such as one of the control servers, provide application logic, and strict separation of application logic from user-side manipulation allows enhanced application development and execution. In the system described, there is a control node GMSC, -8- this paper size applies the Chinese National Standard (CNS) A4 specification (21 × 297 mm);, ----- r --- order --- ------ line (Please read the notes on the back before filling this page) -1 --- 1i_ Printed by the Consumers' Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of Invention (6) MSC, TSC and HLR (message only), these control nodes The interface is, for example, N-ISUP for call control signaling; DCP for signaling for media gate control; and MAP for transferring connectionless signaling between control servers .. Media Gate The MGW modifies or switches the user plane, which performs operations such as notice generation, tone generation, cyan eradication, modem manipulation for data calling, frame manipulation, and CODEC for voice calling ( Transmitter) operation. The transmission gateway (GW) will perform the conversion of the holder of the transmission information. In the UMTS with the ATM core network and the ISDM network operating from ATM / AAL5 to MTP, Completed in the transmission gate; the transmission GW will relay the N-ISUP transmission and exchange the lower operating layer that is carrying the transmission. Therefore, the transmission GW—such as a GMSC or TSC server Device. The main input network will transfer user interface and control signaling, and it can be based on STM, ATM or IP, for example. The media gateway is the edge node of the backbone network. In addition to the well-known, the following mnemonic symbols are used here: AAL2 ATM Transfer Layer Form 2 ATM Asynchronous Transfer Mode BICC Holder Unique Call Control CCD Conference Call Device CIC Circuit Body Code CFB Call Before Busy CFNREA Call CFNRY cannot reach the front line. No response before the call. -9-This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) ------------------ r --- Order --------- line (please read the notes on the back before filling out this page) 567734 A7 B7 V. Invention Description (7) CFU call printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs Forward unconditional CM connection management CW call waiting additional service DCP device control protocol, such as X-CP DPC destination point code DTAP direct transfer application part GMSC gate MSC HLR local register HOLD call hold additional service IP Internet Protocol ISDN overall Service Digital Network ISUP ISDN User Part 'MAP Mobile Application Part MGW Media Gateway MSC Mobile Service Switching Center MPTY Multi-Additional Service OPC Send Endpoint Code PC Point Code P Logical Point RAN AP Radio Access Network Application Part RNC Radio Network Controller SigGW Signaling Gate STM Synchronous Transfer Mode TSC Transfer Switching Center-10- (Please read the precautions on the back before filling this page) This paper size applies to China Standard (CNS) A4 size (210 X 297 mm) 567734

V. Description of the invention (8 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, UE User Equipment (Mobile) In the network architecture described here, N_ISDN is used for call system, while STM, AAL2 or IP are used Controlled by the holder and used by the user ^. The generation of control tones is omitted in this description and should be manipulated in other well-known ways. The media gate address can be transmitted on BICC, ISDN, for example as a secondary layer Transport address, in order to obtain tsc and / or media gateway address. It uses a number of services, routing analysis or B-number analysis; then, select TSC for outgoing calls to ISDN. The media gateway is based on Manipulation requires, for example, the capabilities required for calling such devices as CODECs, encoding, compression, framing, announcement machines, tone recorders, or modems. For the sake of brevity, in these examples, Only explain B-number analysis, select mainly according to the destination. 'According to the destination, a group of MGWs with different capabilities can be obtained. Then, select the required capabilities, such as CCDs, modem support, and Internet. Media connectivity for network connectivity. All resources that have been reserved by the server must be released by that server. In order to simplify the information flow, the following description of the drawings will omit the release of media gateway resources. In these instances The one-to-one relationship is assumed between the first control node GMSC / TSC server in the core network and the first media gate in the CN. In order to be able to receive incoming calls on different MGWs and have control Send the message (IAM) to the same GMSC, the GMSC needs to have each MGW—point generation 11 · This paper size is applicable to China National Standard (CNS) A4 specification (210 X 297 issued)-^-I --- ---------- r --- Order --------- line (Please read the notes on the back before filling this page) Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Invention Description (9) code, in which the ISDM user plane can be terminated. Outside of the DPC transmitted by IAM, GMSC can create a media gate for the ISDN user plane. For outgoing (incoming) traffic, the TSC requires one for each controlled media gate. Code. Used for the selected media gate, the TSC must use an OPC; according to the selected OPC, the transfer switch can distinguish the ISDN user plane received from different MGWs. Receive or send the user plane to different MGWs. Another alternative solution is to use different signaling routes between the servers, if the user plane is routed via different MGWs. From / to the transfer switch receives or sends the user plane to different MGWs and from / A third alternative example of server-controlled signaling is to use different GICs for different MGWs, provided that the user is routing via different MGWs. The concept of identifying the originating media by using the OPC used in the IAM information to replace the transmission media. The concept of the gateway address in the IAM information is also feasible through the entire CN, but it is necessary to control the MGWs in each control server. A different point code is used for the network of m MGWs. Another alternative solution for transmitting the knowledge of media gateway from one server to another server is to use different routes for signaling, if the user is to route to different MGWs. If the TSC can receive calls from m MGWs, then m different signalling lines need to be directed to the RNC. In the description of the different figures below, different signal names are used, and some of these signals are known in nature. DTAP information is defined in GSM 04.08 V80.0 and UMTS 24.08 V3.0.0. RANAP information is defined at -12- This paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm)-: ------------------ · 1-- -Order --------- line (Please read the notes on the back before filling this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of Invention (11) 2. DTAP, established 3. DTAP, call progress 4. DCP, resource request (MGW1) 5. DCP, resource response (Pil, Pvll) 6. DCP, cross-link (Pvll, Pil) The mobile service switching center MSC1 instructs the media gate MGW1 to cross-link backward Incoming point Pil and virtual point Pvll. 7. RANAP, designation request 8. AAL2, establishment request 9. AAL2, establishment confirmation 10. RANAP, designation response 11. ISDN, initial address information IAM (MGW1, Pvll, OPC, DPC, CIC) The call establishment system requests the originator Mobile Services Switching Center_MSC 1. Media Gate MGW1 address and Pvll or optional OPC, DPC, CIC can be used to identify incoming connections in Gate Mobile Service Switching Center GMSC1. 12. DCP, resource request (MGW1, Pvll) 13. DCP, resource response (Pvl2) The virtual point Pvl2 is returned from the media gate MGW1. 14. For the DCP selected, cross-connect (Pvl2, Pvll). The Gate Mobile Service Switching Center GMSC1 instructs the Media Gate MGW1 to connect the incoming point Pv 12 and the virtual point Pvll. Optionally, the entire media gate MGW1 connection can be connected to a DCP, and the connection (Pil, Pol) information. -14- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm); i ----- Γ --- Order --------- line (please read the Please fill in this page again) Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of the invention (12) 15. MAP, send the route information request to the Gate Mobile Service Exchange Center GMSC1 to query the HLR register to Used for routing information. 16. MAP, send route information response If the notice will be given to the caller, GMSC1 will receive the previous behavior number and instructions.

17. For ISDN, address full information ACM, the ACM information is transmitted from GMSC1 to Mobile Services Switching Center MSC1. 18. ISDN, initial address information IAM (MGW1, Pvl2, OPC, DPC, CIC) IAM information is transmitted from the gate mobile service switching center GMSC 1 to the mobile service switching center MSC2. The media gateway MGW1 address and Pvl2 or optional OPC, DPC, giC can be used to identify the incoming call connection in the mobile service switching center MSC2 of the mobile service switching center. 19. DCP, Resource Request (MGW1, Pvl2) Resource is a request for a call identified by its CIC. 20. DCP, resource response (Pol) The call point Pol is returned from the media gate MGW1. 21. DCP, cross link (Pol, Pvl2) The mobile service switching center MSC2 of the mobile service switching center instructs the media gate MGW1 to connect the virtual point Pv 12 to the outgoing point Pol. Optionally, the media gate MGW1 connection can be connected to a DCP through the connection. -15- This paper size applies to China National Standard (CNS) A4 specification (210 X 297 mm)-^ ---.---- -------- Γ --- Order --------- Line (Please read the precautions on the back before filling this page) Printed by the Employee Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 5 2. Description of the invention (13) Access (Pvll, Pol) information. 22. RANAP, page 23. DTAP, page response 24. DTAP, establishment 25. DTAP, call confirmation 26. RANAP, designation request 27. AAL2, establishment request 28. AAL2, establishment confirmation 29. RANAP, designation response 30. DTAP, alarm

31. ISDN, Address Full Information ACM

32. ISDN, call CPG 33. DTAP, connect 34. DTAP, connection confirmation

35. ISUP, answer message ANM

36. ISUP, answer message ANM 37. DCP, cross link (Pvll, Pil) The mobile service switching center MSC1 commands the media gate MGW1 to cross link. The call point Pil and the virtual point Pvll. 38. DTAP, connection 39. DTAP, connection confirmation. Figure 2 depicts a call to a U E originating outside the network. The media gate address is again transmitted in the forward direction. Here, the user is calling a servo user equipment UE1. In this example, only one media gate is used. The media-16- This paper size applies to the Chinese National Standard (CNS) A4 specification (210 X 297 mm). --- ^ ---; ------------ ^ ---- Order --------- line j (Please read the notes on the back before filling this page) 567734 A7 B7 V. Description of the invention (14) The gate can be used by all control servers to affect the user surface. The transcoder is connected by the terminal mobile service switching center MSC. On the incoming side ', for example, the PCM encoding method is used, while in the outgoing example, the encoding method using the radio network controller RNC and the user equipment UE1 protocol is used. 1 · ISDN, initial address information IAM (〇PC, DPC, CIC) call establishment is a request from an external ISDN network for call intention of a mobile terminal. In this example, the gate mobile service switching center / transfer switching center GMSC1 / TSC and the signaling gate 1 are configured. 2. DCP, Resource Request (MGW1, CIC) A resource is a request for a call identified by its CIC. It is selected by a transfer switch on the ISDN network. 3. DCP, resource response (pil, Pvll): The incoming call point Pil and virtual point Pvl 1 return to the media gate MGW1. 4. MAP sends the route information request to the Gate Mobile Service Switching Center GMSC1 to query the local register HLR for route information 5. MAP sends the route information to the Gate Mobile Service Switching Center GMSC1 to receive the mobile service switching center MSC Address. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs (Please read the precautions on the back before filling this page)

6. ISDN, address full information ACM This ACM information is transmitted from GMSC1 / TSC to the transfer switch 1. 7. DCP, cross-connect (PΠ, Pvll) selected Gate Mobile Service Switching Center / Transfer Switching Center GMSC1 / TSC Ming-17-This paper size applies to China National Standard (CNS) A4 specifications (210 X 297 public love) Printed by the Employees' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of Invention (15) Make the media gate MGW1 to connect the incoming call point Pil and the virtual point Pvll. Optionally, the entire MGW1 connection of the media gate can be connected to a DCP via a pass-through (Pil, P01) message. 8. ISDN, initial address information IAM (MGW1, Pwl 1, OPC, DPC, CIC) IAM information is transmitted from GMSC1 / TSC to the mobile service switching center MSC. The media gateway MGW1 address and Pvll or optional OPC, DPC, CIC can be used to identify the incoming connection in the mobile service switching center MSC. 9. DCP, Resource Request (MGW1, Pvll) A resource is a request for a call identified by its CIC. 10. DCP, resource response (Pol): Pol at the call point is returned from the media gate MGW1. 11. DCP, cross link (Pvll, Pol) The mobile service switching center MSC instructs the media gate MGW1 to cross link the virtual point Pvll and the outgoing point Pol. Optionally, the entire media gate MGW1 connection can be connected to a DCP in a pass-through connection (Pil, Pol) information 12. RANAP, paging 13. DTAP, paging response 14. DTAP, establishment 15. DTAP, call confirmation 16. RANAP, Designation request 17. AAL2, establishment request • 18- This paper size applies Chinese National Standard (CNS) A4 specification (210 X 297 mm) ---------------------- r --- Order --------- line (please read the notes on the back before filling this page) 567734 A7 B7 V. Description of the invention (16) 18. AAL2, establishment confirmation 19. RANAP, designated response 20 . DTAP, alerts

21. ISDN, address full information ACM

22. ISDN, call for CPG 23. DTAP, connection 24. DTAP, connection confirmation

25. ISUP, answer message ANM

26. ISUP, answer message ANM Figure 3 shows the call forwarded in the GMSC to the ISDN user identified by the ISDN number of the outside of the network. The media gateway address is transmitted in the forward direction. The same operations used for CFNREA in the mobile service switching center MSC will be applied to the CFNREA in the GMSC, so only the signaling for the CFNREA in the GMSC is described below. · Instead of controlling the transfer switching center TSC2 established from the media gateway MGW1 to the media gateway MGW2, the GMSC can control the analysis performed in the GMSC selected for the transfer switching center TSC2 and also transfer the media gateway GMW2 is located when a pair of π relationship exists between the two. In this example, only two MGWs are used, one at the edge of the network. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs (please read the precautions on the back before filling this page) The media gateway is used to compress the transferred user data. For example, the PCM coding is used on the STM side and the CN missing coding method is used on the other side. 1. ISDN, initial address information IAM (OPC, CPC, CIC) -19- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm)

567734 V. Description of the invention (17) The call establishment request is from the external ISDN network for the call intention of the operation termination. In this example, the GMSC and the signaling gate i are configured. 2 DCP, Resource Request (MGW1, CIC) A resource is a request for a call identified by its CIC, which is selected by transfer switch 1 of 131)] ^ network. 3. DCP, resource response (Pi 1, pv 11) The incoming call point Pil and virtual point Pvll return to the media gate MGW1. 4. MAP, sending routing information request GMSC queries the local register hlr for routing information. 5 · ΜAP ′ sends the route information response If the announcement is to be given to the caller, the GMSC will receive the previous behavior number and instruction. Analyze the number previously received by the local register HLR and receive the transfer switching center TSC2 and optional media gate MGW2 addresses from the B · number analysis.

6. ISDN, address full information ACM This ACM information is transmitted from GMSC to transfer switch 1. The out-of-band notification can be included in the ACM information, which saves the connection and disconnection of the transmission from the notification machine and user side News. 7. Optional DCP connected to a notification device (PU) If in-band notification is required, connect an optional notification device. 8 · DCP selected, disconnect the notice machine (Pil) After the notice, disconnect the notice machine. 9. Selected DCP, cross-connect (Pil, Pvll) The GMSC instructs the media gate MGW1 to cross-connect the call point Pil and virtual -20- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) --.---.------------ r --- order --------- line 1 ^ (Please read the notes on the back before filling this page) Printed by the Employees 'Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, printed 567734 A7 B7 V. Description of the invention (18) Pvll. Optionally, the entire media gate MGW1 connection can be connected to a DCP, and the connection (Pil, Pol) information is related to ITU N-ISDN — S text. 10. ISDN, initial address information IAM (MGW1, Pvl 1, OPC, DPC, CIC) IAM information is transmitted from GMSC to the transfer switching center TSC2, which is controlling the media gate MGW2 〇 media gate MGW1 address and Pvll or optional OPC, DCP, CIC can be used to identify the incoming connection in the transfer switching center TSC2. 11. DCP, Resource Request (MGW2) A resource is a request for a call identified by its CIC. 12. DCP, resource response (Pi2, Pv21) r The incoming point Pi2, the virtual point Pv21, returns to the media gate MGW2. 13. DCP, establish a connection (MGW1, MGW2, Pvll, Pi_2) The transfer switching center TSC2 requests resources for incoming calls identified by its virtual CIC, and commands the media gate MGW1 to be in the media gate MGW2 Establish a connection towards Pi2. 14. AAL2, establishment request 15. AAL2, establishment confirmation 16. DCP, establishment of connection response (Pol) The media gateway MGW1 has successfully set the outgoing connection and returns to the outgoing point Pol. 17. DCP, Cross Link (Pol, Pvll) Transfer Switching Center TSC2 Order Media Gate MGW1 Cross Link Connection -21-This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) --q- --------------- r --- order --------- line (please read the notes on the back before filling this page) 567734 A7 B7 V. Description of the invention (19) Point Pol and virtual point Pvll. Optionally, the entire media gate MGW1 connection can be connected to a DCP via the connection (Pi 1, Pol) information. (Please read the precautions on the back before filling in this page) 18. DCP, cross-connect connection (Pol, Pv2) selected The switching center T S C 2 commands the media gate MGW2 to connect the incoming call point Pi2 and the virtual point Pv21. 19. DCP, establishing a connection (MGW2, Pv21) The transfer switching center T S C 2 requests resources for incoming calls identified by its virtual CIC, and commands the media gate MGW 2 to establish a connection towards transfer switch 2. 20. DCP, connection establishment response (Po2, CIC) The media gateway MGW2 reports that the outgoing connection has been successfully established and returned to the outgoing point Po2. : 21 · DCP, cross-connection (Po2, Pv21) The TSC2 of the transfer switch center commands the media gate MGW? To connect to the call point Po2 and the virtual point Pv21. 22. ISDN, initial address information IAM (OPC, DPC, CIC) IAM information is transmitted from transfer switching center TSC2 to transfer switch 2.

23. ISDN, address full information ACM

24. ISDM, calling for printing by CPG's Consumer Cooperatives, Intellectual Property Bureau, Ministry of Economic Affairs

25. ISDM, call for CPG

26. ISDM, Answer Information ANM

27. ISDM, answer message ANM This ANM message is passed by the transfer switching center TSC2.

28. ISDM, answer ANM -22- This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of the invention (20) This ANM information is transmitted by GMSC. Figure 4 shows the call forwarded in the GMSC to the U E user identified by the U E number in the network. The media gate is transmitted in the forward direction. For subsequent travel to the UE in the GMSC, several GMSCs must be included to replace the GMSC2. In this example, only one media gate is used, which can be used by all control servers to affect the user's face. The transcoder is connected by the MSC. For example, the PCM coding method is used on the incoming side and the coding method with the UE1 protocol is used on the outgoing side. 1 · ISDN, initial address information IAM (OPC, DPC, CIC) call setup is a request from an external ISDN network for call intention of a mobile terminal. In this example, the gate mobile service switching center / transfer switching center GMSC1 / TSC1 and the signaling gate 1 are configured. 2. DCP, Resource Request (MGW1, CIC) _ A resource is a request for a call identified by its CIC. It is selected by a transfer switch on the ISDN network. 3. DPC, resource response (Pil, Pvll) The incoming call point Pil and virtual point Pvll return to the media gate MGW1. 4. MAP sends routing information request GSMC queries the local register HLR for routing information. 5. MAP, send route information response. GMSC1 receives the former behavior number and instruction, if the notice will be given to the caller.

6. ISDN, full address information ACM -23- This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) ----- Γ ------------ r --- Order --------- line (please read the notes on the back before filling out this page) Printed by the Consumers' Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of the invention (21) The ACM information It is transmitted from GMSC1 / TSC1 of Zhanlu Mobile Service Switching Center / Transfer Switching Center to Transfer Switch 1. The out-of-band notification can be included in the ACM message, which saves the connection and disconnection between the notification machine and the user side. Send a message. 7. Connect the optional DCP to the notification device (Pi2). If the in-band notification is required, connect the optional notification device. 8. Disconnect the notification machine (Pil) of the selected DCP. Disconnect the notification machine after the notification. 9. DCP selected, cross connection (Pil, Pvll) The gate mobile service switching center / transition switching center GMSC1 / TSC1 instructs the media gate MGW1 to cross the incoming call point Pil and the virtual point Pvll. Optionally, the entire MGW1 connection of the media gate can be connected via:-a DCP, cross-connection (Pil, Pol) information. 10. ISDN, initial address information IAM (MGW1, Pvl 1, OPC, DPC, CIC) IAM information is transmitted from the GCC Mobile Switching Center / Transfer Switching Center GMSC1 / TSC1 to the GCC Mobile Switching Center GMSC2 〇Media gate MGW1 address and Pvll or optional OPC, DPC, CIC can be used to identify the incoming connection in the gate mobile service switching center GMSC2. 11. DCP, Resource Request (MGW1, Pvll) A resource is a request for a call identified by its CIC. 12. DPC, resource response (Pvl2) The virtual point Pvl2 is returned from the media gate MGW1. -24- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) ----- r ------------ r --- Order ----- ---- Line (Please read the notes on the back before filling this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of the invention (22) 13. The DCP to be selected, the connection (Pvll, Pvl2 ) The Gate Mobile Service Switching Center GMSC2 instructs the media gate MGW1 to connect the virtual point Pvll and the virtual point Pvl2. Alternatively, the entire media gate MGW1 connection can be connected to a DCP via a pass-through (Pil, Pol) message. 14. MAP, send routing information request. GMSC2, the mobile service switching center, receives the MSC address of the mobile service switching center from HLR. 15. MAP, transmitting routing information request. GMSC2, the mobile service switching center, receives the MSC address of the mobile service switching center from HLR. 16. ISDN, initial address information IAM (MGW1, Pvl2, OPC, DPC :, CIC) IAM information is transmitted from the Gate Mobile Service Switching Center GM ^ C2 to the Mobile Service Switching Center MSC. 17. DCP, Resource Request (MGW1, Pvl2) A resource is a request for a call identified by its CIC. 18. DCP, Resource Response (Pol) The outgoing call Pol is returned from the media gate MGW1. 19. DCP, Cross Link (Pol, Pvl2) The mobile service switching center MSC instructs the media gate MGW1 to cross-connect the virtual point Pvl2 and the outgoing point Pol. Optionally, the entire MGW1 connection of the media gate can be connected to a DCP via a pass-through (Pil, Pol) message. 25- This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm)-^ ---------------- Γ --- Order ----- ---- Line (Please read the precautions on the back before filling this page) Printed by the Employees' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Invention Description (23) 20. RANAP, page 21. DTAP, page response 22 DTAP, establishment 23. DTAP, call confirmation. 24. RANAP, designation request 25. AAL2, establishment request 26. AAL2, establishment confirmation 27. RANAP, designation response 28. DTAP, alert

29. ISDN, address full information ACM

30. ISDN, call for CPG 31. ISDN, call for CPG 7 32. DTAP, connection 33. DTAP, connection confirmation _

34. ISUP, answer message ANM

35. ISUP, answer message ANM

36. ISUP, answer message ANM FIG. 5 depicts a call from a UE with a call traveling in the GMSC to a UE user identified by the UE number in the network. The media gateway address is transmitted in the forward direction. There are three alternatives to ensure optimal routing for the user surface. In the first alternative, the media gateway MGW1 is selected in the mobile service switching center MSC2 of the mobile services switching center. Then, the media gateway MGW1 address is in the backward direction with ISPU ACM / CPG or some new information. Transfer to -26- This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) --- "--- Γ ------------ ^ ---- Order --------- Line | (Please read the notes on the back before filling out this page) 567734 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 _B7_ V. Description of Invention (24) Mobile Service Exchange Center MSC1, the mobile service switching center MSC1 then instructs the radio network controller RNC1 to establish a user-side connection towards the media gateway MGW1 and commands the media gateway MGW1 to pass the connection, followed by the action of the mobile service switching center. The radio network controller RNC2 establishes a user-side connection towards the media gateway MGW1. The second alternative commands the radio network controller to connect and does not require a media gateway connection and is only feasible for action-to-action situations. The third alternative Example, originating clearing house Take the media gateway MGW1 and forward the media gateway MGW1 address and ISUP IAM information to the mobile service switching center MSC2 of the mobile service switching center. This alternative can be optimized by combining it with the first alternative. So If the media gateway address is received in the backward direction, the mobile service switching center MSC 1 can perform the next designation towards the radio network controller RNC1. Under the third alternative, the optimization situation is not described. &Amp; To replace the GMSC2, which is the gateway to the UE in the GMSC, then it must include several GMSCs. In this example, only one media gateway is used, which can be used by all control servers to affect users. When the terminal is unknown, the transcoder is connected by the originating MSC. On the RNC1 side of the radio network controller, it uses a coding method that is in agreement with the user equipment UE1, and uses the default coding method to go On the phone side. The mobile service switching center MSC2 of the mobile service switching center of the terminal chooses to lack the coding method on one side and the coding method agreed with the user equipment UE2 on the wireless side. Electric network controller RNC2 side. If only media gate is used, it will be included in CODECs; if the encoding method is towards user equipment UE1 and the user sets -27- This paper standard applies to Chinese National Standard (CNS) A4 Specification (210 X 297 mm) IT -------------- l · --- Order --------- Line φ (Please read the precautions on the back before (Fill in this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of Invention (25) When UE2 is of the same form, the media gate may decide not to connect with CODECs. 1. DTAP, CM service request 2. DTAP, establishment 3. DTAP, call progress 4. DCP, resource request (MGW1) 5. DCP, resource response (Pil, Pvll) The call point Pil and virtual point Pvll are returned from the line since Media Gate MGW1. 6. DCP, Cross Link (Pvll, Pil) The mobile service switching center MSC1 instructs the media gate MGW1 to cross backward to connect the incoming point Pil and the virtual point Pvll. 7. RANAP, designation request: 8. AAL2, establishment request 9. AAL2, establishment confirmation 10. RANAP, designation response 11. ISDN, initial address information IAM (MGW1, Pvll, OPC, DPC, CIC) The call establishment system request is spontaneous End mobile service switching center MSC1, media gateway MGW1 address and Pvll or optional OPC, DPC, CIC can be used to identify incoming connections in the gate mobile service switching center / transition switching center GMSC1 / TSC. 12. DCP, resource request (MGW1, Pvll) 13. DCP, resource response (Pvl2) The virtual point Pvl2 is returned from the media gate MGW1. -28- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) ------ r ------------ ^ ---- Order --- ------ Line * (Please read the notes on the back before filling out this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of the invention (26) 14. The DCP selected, connected via the road ( Pvl2, Pvll) The gate mobile service switching center GMSC1 instructs the media gate MGW1 to connect the incoming point Pvl2 and the virtual point Pvll. Alternatively, the entire media gate MGW1 connection can be connected to a DCP via a pass-through (Pil, Pol) message. 15. MAP, sending routing information request The GMSC1 exchanges the local register HLR for routing information. 16. MAP, send the route information response. GMSC1 receives the previous behavior number and instructions, if the notice will be given to the caller. 17. For ISDN, the address full information ACM r ACM information is transmitted from GMSC1 to the MSC. 18. ISDN, initial address information IAM (MGW1, Pvl2, OPC, DPC, CIC) IAM information is transmitted from GMSC1 to GMSC2, GMG2, GMG1 address of media gateway and Pvl2 or The selected OPC, DPC, CIC can be used to identify the incoming call connection in the GMSC2. 19. DCP, Resource Request (MGW1, Pvl2) A resource is a request for a call identified by its CIC. 20. DCP, resource response (Pvl3) The virtual point Pvl3 is returned from the media gate MGW1. -29- This paper size applies to China National Standard (CNS) A4 specification (210 X 297 mm)-^ --- τ ------------ ^ ---- Order --- ------ Line (Please read the notes on the back before filling this page) Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of the invention (27) 21. The DCP selected, connected via the road (Pvl3 , Pvl2) The gate mobile service switching center GMSC2 instructs the media gate MGW1 to connect the virtual point Pvl3 and the virtual point Pvl2. Optionally, the media gate MGW1 connection may be connected to a DCP in a pass-through manner, and the pass-through connection (Pvll, Pol) information. 22. MAP, sending routing information request The GMSC2 query the local register HLR for routing information. 23. MAP, send routing information response. GMSC2 receives the MSC address from HLR. 24. ISDN, initial address information IAM (MGW1, Pvl3, OPC, DPC, CIC) IAM information is transmitted from the Gate Action Service Switching Center G | vlSC2 to the MSC. 25. DCP, Resource Request (MGW1, Pvl3) A resource is a request for a call identified by its CIC. 26. DCP, Resource Response (Pol) The outgoing call Pol is returned from the media gate MGW1. 27. DCP, cross link (Pol, Pvl3) The mobile service switching center MSC2 of the mobile service switching center orders the media. The gateway MGW1 cross connects the virtual point Pvl3 and the outgoing point Pol. Optionally, the MGW1 connection of the media gate can be connected to a DCP via a pass-through (Pvll, Pol) message. -30-This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) ---------------------- r --- Order ---- ----- line (Please read the notes on the back before filling this page) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of Invention (28) 28. RANAP, page 29. DTAP, page response 30. DTAP, establishment 31. DTAP, call confirmation. 32. RANAP, designation request 33. AAL2, establishment request 34. AAL2, establishment confirmation 35. RANAP, designation response 36. DTAP, alert

37. ISDN, Address Full Information ACM

38. ISDN, call for CPG 39 · ISDN, call for CPG:

40. ISDN, call CPG 41. DTAP, connection 42. DTAP, connection confirmation

43. ISUP, full address ANM

44. ISUP, full address ANM 45. ISUP, full address ANM 46 · DCP, Cross Link (Pvll, Pil) The mobile service switching center MSC1 instructs the media gate MGW1 to cross the connection. The call point Pil and the virtual point Pvll. 47. DTAP, connection 48. DTAP, connection confirmation Figure 6 depicts the forward-to-ISDN number identified in the Mobile Services Switching Center MSC -31-This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) ^ --------------- r --- order --------- line (please read the precautions on the back before filling this page) 567734

Description of the invention (29 <ISDN ^ J 彳 call, the child media gate address is transmitted in the previous direction. (Please read the precautions on the back before filling out this page) In this example, D &amp; is in the mobile service Conditional call in the switching center. This example describes CFNry. If the UE user does not answer the call, then the call must be forwarded to the ISDN number. In the case of cfnrea: == When the UE does not answer the paging, Steps 12 to 22 will be omitted. In the conventional example, only two MGWs are used, each at the edge of the network. The transcoder is optionally connected to the media gate by TSC to compress the transferred use For example, the PCM coding method is used on the STM side and the CN default coding method uses the c N default coding method on the other side. 1. ISDN, initial address information IAM (〇pc, DPC, CIC) call setup It is a call intention requested from an external ISDN network for a mobile terminal. In this example, the gate mobile service switching center / transition switching center GMSC1 / TSC1 and the signaling gate 1 are configured. 2. DCP, Resource Request ( MGW1, CIC) resources are requested for calls identified by its CIC, which It is selected by the switch of the ISdn network. 3. DCP, resource response (pu, Pvl i) The incoming call point Pil and virtual point Pvll are returned from the media gate MGW1. 4. MAP, transmission of routing information request to the Ministry of Economic Affairs The Intellectual Property Bureau employee consumer cooperative prints the gate mobile service exchange center GMSC1 to query the local register HLr for routing information. 5 · MAP, transmits the route information in response to the gate mobile service exchange center GMSC1 to receive the mobile service exchange center MSC Address: 32- This paper size applies the Chinese National Standard (CNS) A4 specification (21 × 297 mm) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of the invention (3)

6. ISDN, address full information ACM ACM information is transmitted from GMSC to transfer switch 1. 7. For the selected DCP, the cross-connect (Pil, Pvll) GMSC instructs the media gate MGW1 to cross-connect the incoming call point Pil and the virtual point Pvl 1. Optionally, the entire MGW1 connection of the media gate can be connected to a DCP via a pass-through (Pil, Pol) message. 8. ISDN, initial address information IAM (MGW1, Pvl 1, OPC, DPC, CIC) IAM information is transmitted from GMSC to Mobile Service Switching Center MSC. Media Gate MGW1 address and Pvll or optional OPC, DPC, CIC can be used to identify the incoming connection in the mobile service switching center MSC. 9. DCP, Resource Request (MGW1, Pvll) r A resource is requested for a call identified by its CIC. 10. DCP, Resource Response (Pol) ^ Go to the call point and return from the media gate MGW1. 11. DCP, cross link (Pvll, Pol) The mobile service switching center MSC instructs the media gate MGW1 to cross link the virtual point Pvll and the outgoing point Pol. Optionally, the entire MGW1 connection of the media gate can be connected to a DCP via a pass-through (Pil, Pol) message. 12. RANAP, pagination 13. DTAP, pagination response 14. DTAP, establishment 15. DTAP, call confirmation -33- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 丨 τ ---- ------------ r --- Order --------- line (Please read the notes on the back before filling this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of the invention (31) 16. RANAP, designation request 17. AAL2, establishment request 18. AAL2, establishment confirmation 19. RANAP, designated response 20. DTAP, alert

21. ISDN, address full information ACM

22. ISDN, call for CPG 23. RANAP, Iu release command 24. AAL2, release request 25. AAL2, release acknowledgement 26. RANAP, Iu release command 27. Optional DCP, connection notification machine (Pvll): Optional, If in-band notification is required, connect the notification device. 28. DCP selected, disconnect the notice machine (Pvll) After the notice, disconnect the notice machine. 29. ISDN, initial address information IAM (MGW1, Pol, OPC, DPC, CIC) IAM information is transmitted from the mobile service switching center MSC to the transit switching center TSC2. The media gateway MG W 1 address and Pvl 1 or optional OPC, DCP, CIC can be used to identify the incoming connection in the mobile service switching center MSC. 30. DCP, Resource Request (MGW2) A resource is a request for a call identified by its CIC. 31. DCP, Resource Response (Pi2, Pv21) -34- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) --7 -------------- -r --- Order --------- line (please read the precautions on the back before filling this page) Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of Invention (32) The call point Pi2 and the virtual point Pv21 return to the media gateway MGW2 32 · DCP, and establish a connection (MGW1, media gateway MGW2, Pol, Pi2), and transfer the switching center TSC2 to request the resources that have been reserved for its virtual CIC identification. Outgoing call. Call and command media gate MGW1 to establish a connection to Pi2 in media gate MGW2. 33. AAL2, establishment request 34. AAL2, establishment confirmation 35. DCP, connection establishment response (Pol) The media gateway MGW1 has successfully established the outgoing connection and returned to the outgoing point Pol. 36. DCP, Cross Link (Pol, Pvll) The transfer switching center TSC2 instructs the media gate MGW1 to cross connect the outgoing point Pol and the virtual point Pvll. If the DCP is selected and the bypass connection (Pi2, Pvll) is omitted, Pil must be used instead of Pvll? 37. The DCP selected, the bypass connection (Pi2, Pv21) is transferred to the switching center TSC2 and the media gateway MGW2 is connected to the incoming call. Point Pi2 and virtual point Pv21. 38. DCP, establish connection (MGW2, Pv21) The transfer switching center TSC2 requests resources for outgoing calls identified by its CIC and commands the media gate MGW2 to establish a connection towards transfer switch 2. 39. DCP, connection establishment response (Po2, CIC) The media gateway MGW2 has successfully established an outgoing connection and returned to the outgoing point Po2. -35- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 丨 -7 -------------- l · --- order ----- ---- Line charges (Please read the notes on the back before filling this page) 567734 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 _B7_ V. Description of the Invention (33) 40. DCP, Cross Link (Po2, Pv21) The transfer switching center TSC2 instructs the media gate MGW2 to connect the outgoing point Po2 and the virtual point Pv21. 41. ISDN, initial address information IAM (OPC, DPC, CIC) IAM information is transmitted from the transfer switching center TSC2 to the transfer switch.

42. ISDN, Address and Information ACM

43. IDSN, call for CPG

44. ISDN, call for CPG

45. ISDN, call for CPG

46. ISDN, Answer Information ANM

47. ISDN, answer message ANM 48. ISDN, answer message ANM:

49. ISDN, answer message ANM Figure 7 depicts the waiting and receiving of waiting calls with different MGWs. The media gateway address is transmitted in the forward direction. Here, user B is calling user equipment A of the servo. The device A has additional services CW and HOLD. After the call from B to A is activated, it will accept another call from user C to A. User A accepts the call from C's waiting call and therefore the call to B must be put on hold. The user plane directly routes to the media gate of the activation call. This is the most suitable transmission method, but it needs to be specified above the Iu interface. In this example, only one media gate is used for each call, which can be used by all control servers to affect the user plane, and no user plane connection is required between these MGWs. -36- This paper size applies to China National Standard (CNS) A4 specification (210 X 297 mm) ---; --- I ----------- ^ ---- order --- ------ Line Win (Please read the notes on the back before filling this page) 567734 A7 B7 3. 4. V. Description of the invention (34) 1. ISDN, initial address information 1AM (OPC 'DPC' CIC ) Call setup is a call intention requested from an external 1SDN network for a mobile terminal. In this example, the GMS C1 / TSC and Gate Switch 1 ° are configured. 2. DCP, Resource Request (MGW1 'CIC) The resource is requested for the call identified by its CIC. 'It is selected by the transfer switch of the 1SDN network. DCP, resource response (Pil, Pγ11) The incoming call point Pil and virtual point Pvll return to the media gateway MGW1 ° MAP, and send the routing information request to the gateway mobile service exchange center GMSC1 to query the local register HLR for routing. Information. 5. MAP, sends the route information response. The gate mobile service switching center GMSC1 receives the mobile task switching center MSC address. 6. ISDN, address full information ACM &gt; The ACM information is transmitted from the GCC Mobile Switching Center / Transfer to the GMSC1 / TSC to the transfer switch 1. 7. DCP used, cross-connection (Pil, Pvll) recognition + heart gmsci / tsc

The Gate Mobile Service Switching Center / Transfer Switch T *% 鲇 Pi1 and Virtual Point Command Media Gate MGW1 Cross Link Connection Incoming call &quot; ▲ Please change for cross link connection

Pvll. Optionally, the entire media gate MGW1 is obsessed with a DCP, and the connection (Pil, Pol) information. t 1, OPC »DPC ^ 8. ISDN, initial address information IAM (MGW1, Pvi -37- This paper size applies to China National Standard (CNS) A4 specification (210 X 297 cm) I.Γ --- Γ- ---------- r --- Order --------- line (Please read the notes on the back before filling this page) Ministry of Economic Affairs Intellectual Property Bureau Employee Consumer Cooperative Printed Ministry of Economy Printed by the Intellectual Property Bureau employee consumer cooperative 567734 A7 B7 V. Description of the invention (35) CIC) IAM information is transmitted from the Gator Mobile Service Exchange Center / Transfer Exchange Center GMSC1 / TSC to the Mobile Service Exchange Center MSC. The media gateway MGW1 address and Pvl 1 or optional OPC, DPC, CIC can be used to identify the incoming connection in the mobile service switching center MSC. 9. DCP, Resource Request (MGW1, Pvll) A resource is a request for a call identified by its CIC. 10. DCP, Resource Response (Pol) The outgoing point Pol returns to the media gate MGW1. 11. DCP, cross link (Pvll, Pol) The mobile service switching center MSC instructs the media gateway MGW1 to cross link the virtual point Pvl 1 and the outgoing point Pol. Optionally, the entire MGW1 connection of the media gate can be connected to a DCP via a pass-through (Pil, Pol) message. . 12. RANAP, page 13. DTAP, page response 14. DTAP, establishment 15. DTAP, call confirmation 16. RANAP, designation request 17. AAL2, establishment request 18. AAL2, establishment confirmation 19. RANAP, designation response 20. DTAP, alarm

21. ISDN, full address information ACM -38- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) I T --------------- Γ- --Order --------- line (please read the precautions on the back before filling out this page) 567734 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs V. Invention Description (36)

22. ISDN, call for CPG 23. DTAP, connection 24. DTAP, connection confirmation

25. ISUP, answer information ANM 26 ISUP, answer information ANM 27 · ISDN, initial address information IAM (OPC, DPC, CIC) Call establishment is a request from an external ISDN network for call intention of a mobile terminal. In this example, the gate mobile service switching center GMSC2 and the signaling gate 2 are configured. 28. DCP, Resource Request (MGW2, CIC) A resource is a request for a call identified by its CIC. It is selected by the transfer switch 2 of the ISDN network. = 29. DCP, resource response (Pi2, Pvl 1) Incoming point Pi2 and virtual point Pv21 return to the media gate 1 ^ 0 \ ¥ 2. 30. MAP, transmitting routing information request. The GMSC2 of the mobile service switching center queries the local register HLR for routing information. 31. MAP, send the route information response. GMSC2 receives the MSC address of the mobile service switching center.

32. ISDN, full address information ACM ACM information is transmitted from GMSC2 to the transfer switch 2. 33. Selected DCP, cross-connect (Pi2, Pv21) -39 · This paper size applies to China National Standard (CNS) A4 specification (210 X 297 mm) IT -------------- l · --- Order --------- Line · (Please read the notes on the back before filling in this page) 567734 A7 B7 V. Invention Description (37) (Please read the notes on the back before filling in (On this page) GMSC2, the Gate Mobile Service Switching Center, orders the media gate MGW2 to connect the incoming call point Pi2 to the virtual point Pv21. Optionally, the entire MGW2 connection of the media gate can be connected to a DCP via the pass-through (Pi2, Po2) information. 34. ISDN, initial address information 1AM (MGW2, Pv21, OPC, DPC, CIC) IAM information is transmitted from the gate mobile service switching center GMSC2 to the mobile service switching center MSC. The media gateway MGW2 address and Pv21 or the optional OPC, DPC, CIC can be used to identify the incoming connection in the MSC of the mobile service switching center. 35. DCP, Resource Request (MGM2, Pv21) A resource is a request for a call identified by its CIC. : 36. DCP, Resource Response (Po2) Go to the call point Po2 and return to the media gate MGW2. 37. DCP, Cross Link (Pv21, Pol) The mobile service switching center MSC instructs the media gate MGW2 to cross-link the virtual point Pv21 and the outgoing point P02. Optionally, the entire media gate MGW2 connection can be connected to a DCP, and the connection (Pi2, Po2) information. Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 38. RANAP, page 39. DTAP, page response 40 · DTAP, establishment 41. DTAP, call confirmation 42. DTAP, alert -40-This paper standard applies Chinese National Standard (CNS) A4 Specification (21 × X 297 mm) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of Invention (38)

43. ISDN, address full information ACM

44. ISDN, call CPG 45. DTAP, HOLD (B)

46. DTAP, HOLD ACK 47. ISUP, call progress information CPG (B hold) 48. ISUP, call progress information CPG (B hold) 49. RANAP, designation request 50. AAL2, release request 51. AAL2, release confirmation 52. AAL2, establishment request 53. AAL2, establishment confirmation 54. RANAP, designated response: 55. DTAP, connection 56. DTAP, connection confirmation

57. ISUP, answer message ANM

58. ISUP, answer message ANM Figure 8 depicts a call waiting and receiving a call waiting in a media gate, the media gate address being transmitted in the forward direction. Here, user B is calling mobile user A of the servo. The user A has additional services CW and HOLC. After the call from B to A is activated, it will receive another call from user C to A on the media gateway MGW2. User A accepts a waiting call from C and must therefore hold the call to B on hold. The user faces the route from the media gate MGW2 to the media gate MGW1 of the first activation call, and then the activation call is on hold. This is assumed to be activated and -41-This paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) (Please read the precautions on the back before filling this page) | Install ----- r-- -Order --------- line | 567734 A7

Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. 5. Description of the Invention (39) Waiting for a call Both use the same service such as voice, making the AAL2 connection between the radio network controller RNC and the media gate GMW1 reusable. This allows quick switching between active and held calls, and if multiple calls are needed later, only the conference call device needs to be connected to the media gate MGW1. In this example, only one media gate is used for each call. It can be used by all control servers to affect the user plane. These user plane connections will be gathered at a media gate. This allows fast switching from Between B and c. The hardener is connected by the terminal mobile service switching center MSC for each call. For example, the PCM coding method is used on the incoming side, and the coding protocol with the UEs protocol is used on the outgoing side. 1 · BDN, initial address information IAM (〇PC, DPC, CIC): Call establishment is a request from external ISDN network for call intention of mobile terminal. In this example, the gate mobile service switching center / transition switching center GMSC1 / TSC and the signaling gate 1 are configured. 2. DCP, resource request * (MGwi, CIC) The resource is requested for the call identified by its Cic, and it is selected by the transfer switch of the ISdn network. 3. DCP, resource response (pu, Pvlu u, call point Pil and virtual point 卩 乂 丨 丨 return to the media gateway MGW1. 4. MAP, send routing information request to the gateway mobile service switching center GMSC1 to query the local temporary storage HLR is used for routing information. 5 · MAP, sending routing information response -42- This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 丨 d --- η ---- ------- r --- Order --------- Line · (Please read the notes on the back before filling out this page) 567734 Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 5 2. Description of the invention (40) The GMSC1 mobile service switching center receives the MSC address of the mobile service switching center.

6. ISDN, address full information ACM This ACM information is transmitted from GMSC1 / TSC to the transfer switch 1. 7. The selected DCP, cross-connect (Pil, Pγ11) Gate Mobile Service Switching Center / Transfer Switching Center GMSC1 / TSC commands the media gate MGW1 to cross-connect the incoming point Pii and the virtual point Pvl1. Optionally, the entire MGW1 connection of the media gate can be connected to a DCP via a pass-through (Pi2, P0) information. 8. ISDN, the initial address information IAM (MGW1, Pvll, OPC, DPC, CIC) τ IAM information is transmitted from the gate mobile service switching center / transition switching center GMSC1 / TSC to the mobile service switching center MS ?. The media gateway MGW1 address and Pvll or optional PC, DPC, CIC can be used to identify the incoming connection in the mobile service switching center MSC. 9. DCP, Resource Request (MGW1, Pvll) A resource is a request for a call identified by its CIC. 10. DCP, Resource Response (Pol) The outgoing call Pol returns to MGW 1 at the media gate. 11. DCP, cross link (Pvll, Pol) The mobile service switching center MSC instructs the media gate MGW1 to cross link the virtual point Pvll and the outgoing point Pol. Optionally, the entire media gate MGW1 connection can be connected to a DCP through the connection (Pil, Pol) -43- This paper size applies to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) -------- ----— (Please read the notes on the back before filling this page)

Order --------- Line I Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economy 567734 A7 B7 V. Description of Invention (41) Information. 12. RANAP, page 13. DTAP, page response 14. DTAP, establishment 15. DTAP, call confirmation 16. RANAP, designation request 17. AAL2, establishment request 18. AAL2, establishment confirmation 19. RANAP, designation response 20. DTAP, alarm

21. ISDN, address full information ACM 22. ISDN, call progress CPG r 23. DTAP, connection 24. DTAP, connection confirmation.

25. ISUP, answer information ANM 26 ISUP, answer information ANM 27. ISDN, initial address information IAM (OPC, DPC, CIC) Call setup request from external ISDN network for call intention of mobile terminal. In this example, the gate mobile service switching center MSC2 and the signaling gate 2 are configured. 28. DCP, Resource Request (MGW2, CIC) A resource is a request for a call identified by its CIC. It is selected by transfer switch 2 of the ISDN network. 29. DCP, Resource Response (Pi2, Pvll) -44- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back before filling this page) | Installation- --- r --- order --------- line | A7 B7

Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 V. Description of the invention (42) The call point Pi2 and the virtual point PV21 return to the media gate MGW2. 30. MAP, sending routing information clear request The GMSC2 GMSC2 queries the local register HLR for routing information. 3 1. MAP, send the route information response. The GMSC2 receives the MSC address of the mobile service switching center.

32. ISDN, full address information ACM ACM information is transmitted from GMSC2 to the transfer switch 2. 33. For the DCP selected, the cross-connect (Pi2, Pv21). The GMSC2 of the Mobile Action Switching Center instructs the media gateway MGW2 to connect the incoming call point Pi2 to the virtual point Pv21. Optionally, the entire MGW2 connection of the media gate can be connected to a DCP 'via link (Pi2' Po2) message. 34. ISDN, initial address information IAM (MGW2, Pv21, 0PC, DPC, CIC) I AM information is transmitted from the gate mobile service switching center GMSC2 to the mobile service switching center MSC. The media gateway MGW2 address and Pv21 or the optional OPC, DPC, CIC can be used to identify the incoming connection in the MSC of the mobile service switching center. 35. DCP, Resource Request (MGW1) A resource request is used for an incoming AAL2 connection. 36. DCP, Resource Response (Pvl2, Pill) -45- This paper size is applicable to China National Standard (CNS) A4 (210 x 297 mm) I ^ ---------- installation ---- -r --- Order --------- line (please read the notes on the back before filling this page) Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of Invention (43) The call point Pill returns to the media gate MGW1. 37. For the DCP selected, the cross-link connection (Pvl2, Pill). The mobile service switching center MSC commands the media gate MGW1 to cross-link the virtual point Pvl 2 and the call point Pill. Optionally, the entire media gate MGW1 connection can be connected to a DCP, and the connection (Pill, Po2) information. 38. RANAP, paging 39. DTAP, paging response 40. DTAP, establishment 41. DTAP, call acknowledgement 42. DTAP, alert 43. ISDN, address full information ACM:

44. ISDN, call CPG 45. DTAP, HOLD (B)

46. DTAP, HOLD ACK 47. ISUP, call progress information CPG (B hold) 48. ISUP, call progress information CPG (B hold) 49 DCP, establish connection (MGW1, media gate MGW2, Pv21, Pill) MSC request Resources are used for outgoing AAL2 connections and to command media gate MGW1 to establish a connection towards Pill in media gate MGW1. 50. AAL2, establishment request 51. AAL2, establishment confirmation 52. DCP, establishment of connection response (Po2) Media gateway MGW2 response has established outgoing connection and return to outgoing point -46- This paper standard applies Chinese national standard (CNS) A4 specification (210 X 297 mm) IT --- Γ ------- I --- r --- order --------- I (Please read the precautions on the back first (Fill in this page again) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of Invention (44)

Po2 〇 53. DCP, cross link (Pv21, Po2) The mobile service switching center MSC instructs the media gateway MGW2 to connect to the virtual point Pv21 and go to the call point Po2. Optionally, the entire media gate MGW2 connection can be connected to a DCP, and the connection (Pi2, Po2) information. 54. DCP, disconnect (Pol, Pvll) 55. DCP, cross connection (Pvl2, Po2) The mobile service switching center MSC instructs the media gateway MGW1 to connect to the virtual point Pvl2 and the outgoing point Po2. Optionally, the entire media gate MGW2 connection can be connected to a DCP, the cross-connection (Pi2, Po2) information, which connects the existing user plane between the radio network controller RNC and the media gate MGW1 and the use of user C Person face. 56. DTAP, connection 57. DTAP, connection confirmation

58. ISUP, Answer Message, ANM

59. ISUP, answer message, ANM Figure 9 depicts an MPTY call with the media gate address transmitted in the forward direction. Here, user B is calling user equipment A of the servo. The device A has additional services CW, HOLD, and MPTY. After the call from B to A is activated, it will receive another call from users C to A on the media gate MGW2. A terminal call, user A will accept the waiting call from C and therefore must hold the call to B on hold. The user of the second call will be routed from the media gate MGW2 to the media gate MGW1 of the first activated call; then, the Mobile Service Exchange Center-47- This paper standard applies to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) — π — ί ------- # 装 ---- l · --- order --------- line (please read the notes on the back before filling this page) 567734

Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs, M S C ordered the media gate μ G W1 to switch from the previous activated call to a waiting call, and the activated call then became a held call. This assumes that both activation and waiting calls use the same services, such as voice, so that the AAL2 connection between the radio network controller RNC and the media gate MGW1 can be reused. At present, many parties are assisted by user A. Therefore, the mobile service switching center MSC is connected by a conference call device (CCD). In these user planes, the user plane must be in the same format, such as PCM 64 kilobits / second. In this example, only one media gate is used for each call. It can be used by all control servers to affect the user plane. These user plane connections will be gathered at a media gate. Between calls from B and c. The transcoder is connected by the terminal mobile service switching center MSC for each call '. For example, the PCM coding method is used on the incoming side, and the coding protocol with the UEs protocol is used on the outgoing side. The connected person in the conference bridge is assumed to be a PCM conference bridge. Therefore, the encoding method from the received encoding method to the pCM encoding method will be applied to each process. This allows data streams with different encodings to be aggregated. ’· 1 · ISDN, initial address information 1AM (OPC, DPC, CIC) call setup is a request from an external ISDN network for the call intention of a mobile terminal. In this example, the gate mobile service switching center / transition switching center GMSC1 / TSC and the signaling gate 1 are configured. 2. DCP, Resource Request (MGW, CIC) A resource is a request for a call identified by its CIC, and it is a transfer switch of the network to be selected. -48- This paper size is in accordance with China National Standard (CNS) A4 (210 X 297 mm) -I ^ ------- install ----- r --- order ------- -(Please read the notes on the back before filling out this page) Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7

V. Description of the invention (46) _ 3. DCP, resource response (Pil, Pvl1) The call point Pil and the virtual point Pvl1 return to the media from the media ^ MGW1 4 MAP, and send the route information request. * 丄 以 代 川 太 4 The HLR is based on GMSC1 of the Gate Action Service Switching Center? Sentences are used for routing information. 5. MAP, send the route information response ^ The GMSC1 Mobile Switching Service Switching Center receives the mobile service and knows that it is changing. MSC address.

6 ISDN, address full information ACM ^ / Transfer switching center ACM information is transferred from the gated mobile service switching ~ GMSC1 / TSC to the transfer switch 1 ° 7 DCP selected, cross connection (Pil, Pvll) u , Green only> gmsci / tsc Mingzha Road Mobile Service Switching Center / Transfer Parent Switch Make the media gate MGW1 to connect the call point Pi1 and the dummy point 1 ^ 11. Optionally, the entire media gate MGW1 is connected to a DCP, and the cross-connection (Pil, Pol) information. 8. ISDN, initial address information IAM (MGW, PV11, 0PC, DPC ’CIC) IAM information is transmitted from the Gate Mobile Service Switching Center / Transfer Switching Center GMSC1 / TSC to the Mobile Service Switching Center MSC. The media gateway MGW1 address and Pvll or optional OPC, DPC, CIC can be used to identify the incoming connection in the mobile service switching center MSC. 9. DCP, Resource Request (MGW1, Pvll) A resource is a request for a call identified by its CIC. -49- This paper size applies to Chinese National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back before filling this page)

Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734 A7 B7 V. Description of the Invention (47) 10. DCP, Resource Response (Pol) The polling point Pol returns to the media gate MGW1. 11. DCP, Cross Link (Pvll, Pol) The Mobile Service Switching Center MSC instructs the media gate MGW1 to connect the transcoder and the virtual link to the virtual point Pvl and the outgoing point Pol. Alternatively, the entire MGW1 connection of the media gate can be connected to a DCP via a pass-through (Pil, Pol) message. 12. RANAP, page 13. DTAP, page response 14. DTAP, establishment 15. DTAP, call confirmation 16. RANAP, designation request 17. AAL2, establishment request 18. AAL2, establishment confirmation 19. RANAP, designation response 20. DTAP, alarm

21. ISDN, address full information ACM

22. ISDN, call for CPG 23. DTAP, connection 24. DTAP, connection confirmation

25. ISUP, answer message ANM

26 ISUP, answer information ANM 27. ISDN, initial address information IAM (OPC, DPC, CIC) Call setup is a request from an external ISDN network for mobile terminal call-50-This paper standard applies to the Chinese National Standard (CNS ) A4 size (210 X 297 mm) 丨 ^ ---------- install ----- r --- order --------- line (please read the note on the back first) Please fill in this page for matters) 567734 A7 B7 V. Description of Invention (48) It is called intention. In this example, the gate mobile service switching center GMSC2 and the signaling gate 2 are configured. 28. DCP, Resource Request (MGW2, CIC) A resource is a request for a call identified by its CIC. It is selected by transfer switch 2 of the ISDN network. 29. DCP, resource response (Pi2, Pvl 1) The incoming point Pi2 and the virtual point Pv21 return to the media gate MGW2. 30. MAP, transmitting routing information request. The GMSC2 of the mobile service switching center queries the local register HLR for routing information. 3 1 · MAP, send the route information response. Gate Mobile Service Switching Center GMSC2 receives mobile service switching center: core MSC address. 32. ISDN, address full information ACM, ACM information is transmitted from GMSC2 to the transfer switch 2. 33. DCP selected, cross-connect (Pi2, Pv21) The Gate Mobile Service Switching Center GMSC2 instructs the media gate MGW2 to connect the incoming point Pi2 and the virtual point Pv21. Optionally, the entire MGW2 connection of the media gate can be connected to a DCP via the pass-through (Pi2, Po2) information. 34 · ISDN, initial address information IAM (MGW2, Pv21, OPC, DPC, CIC) IAM information is transmitted from GMSC2 to Action 51-This paper standard applies to China National Standard (CNS) A4 specification (210 X 297 mm) (Please read the precautions on the back before filling out this page) Sophisticated ----- ^ ---- Order --------- line | Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs and Economics 567734 A7 B7 V. Description of Invention (49) Service Exchange Center MSC. The media gateway MGW2 address and Pv21 or the optional OPC, DPC, CIC can be used to identify the incoming connection in the MSC of the mobile service switching center. 35 · DCP, Resource Request (MGW1) The resource is requested for incoming AAL2 connection. 36. DCP, resource response (Pvl2, Pill) At the incoming point, Pill returns to the media gate MGW1. 37. For the DCP selected, the cross link (Pvl2, Pill) The mobile service switching center MSC instructs the media gateway MGW1 to cross link the virtual point Pvl2 and the incoming point Pill. Optionally, the entire MGW1 connection of the media gate can be connected to a DCP via a pass-through (Pill, Po2) information. : 38. RANAP, paging 39. DTAP, paging response: 40 · DTAP, establishment 41. DTAP, call acknowledgement 42. DTAP, alert

43. ISDN, address full information ACM

44. ISDN, call CPG 45. DTAP, HOLD (B)

46. DTAP, HOLD ACK 47 · ISUP, call progress information CPG (B hold) 48 · ISUP, call progress information CPG (B hold) 49 · DCP, establish connection (MGW1, media gate MGW2, Pv21, Pill) -52 -This paper size applies to China National Standard (CNS) A4 specification (210 X 297 mm) IT ----------- · Installation ----- r --- Order ------ --- line (please read the notes on the back before filling this page) 567734 A7 B7 V. Description of the invention (so) (please read the notes on the back before filling this page) MSC requests resources for outgoing AAL2 connection The MSC is connected to the transcoder and instructs the media gate MGW2 to establish a connection toward Pill in the media gate MGW1. 50. AAL2, establishment request 51. AAL2, establishment confirmation 52 · DCP, establishment of connection response (Po2) The media gateway MGW2 responds that an outgoing connection has been established and returns to the outgoing point Po2 〇53 · DCP, cross connection (Pv21 , Po2) The mobile service switching center MSC instructs the media gateway MGW2 to connect to the virtual point Pv21 and the outgoing point Po2. Optionally, the entire MGW2 connection of the media gate can be connected to a DCP via a pass-through (Pi2, Pd2) information. 54. DCP, disconnection (Po2, Pv22) _ 55. DCP, cross-connection (Pvl2, Po2) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, Printed Mobile Service Exchange Center MSC ordered the media gate MGW1 to connect to the virtual point Pvl2 and go Then point Po2. Optionally, the entire MGW2 connection of the media gateway can be connected to a DCP via the connection (Pi2, Po2) information, which connects the existing user plane between the radio network controller RNC and the media gateway MGW1 and the use of user C Person face. 56. DTAP, connection 57. DTAP, connection confirmation

58. ISUP, Answer Message, ANM

59. ISUP, answer information, ANM -53- This paper size applies Chinese National Standard (CNS) A4 specification (210 X 297 mm) 567734 A7 B7 V. Description of invention (51) 60. DTAP, establish multi-party 61. DCP, Connected to the CCD (MGW1, Poll, Pvll) (Please read the precautions on the back before filling this page) PCM 64 kbit / s CCD is connected to the path where the user side is 64 kbit / s . 62. DCP, disconnect (Pol, Pvl2) 63. DCP, connect to transcoder (MGW1, Pill, pyi2) to convert voice to PCM. 64 · DCP, Cross Link (Pvl2) Cross link between Pvl2 and conference bridge. 65 · ISUP, call for CPG (Search) 66 · ISUP, call for CPG (Search) 67. ISUP, call for CPG (MPTY): 68. ISUP, call for CPG (MPTY) 69. ISUP, call for CPG (MPTY) ) ^ 70. DTAP establishes MPTY confirmation. Figure 10 depicts a call in the mobile service switching center MSC to an ISDN user identified by the ISDN number. between. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs In this scenario, user A has set up a call to user device B on ISUP. To this end, TSC 1 has established a relationship between the terminals Pil and Pvll in the media gateway MGW1 and a mobile service switching center MSC has established a relationship between the terminals Pol and Pvll; the designation request has been It is transmitted on the Iu interface. The user interface has been established between the UE and the media gateway MGW1. The mobile service exchange center MSC deducts -54- This paper standard applies to China National Standard (CNS) A4 (210 X 297) Mm) 567734 A7 B7 V. Description of the invention (52) Transfer the address of TSC2 and media gateway MGW2 of the switching center to the outside of the number before the number; Next, the mobile service switching center MSC moves the user plane from media gateway MGW1 Proceed to Media Gate MGW2. Figure 11 depicts examples of CW and HOLD functions. In this scenario, user A has set up a call to user equipment B on ISUP. To this end, TSC1 has established a contextual relationship between the terminals Pil and Pvl1 in the media gateway MGW1 and a mobile service switching center MSC has established a transcoder between the terminals Pol and Pvll; the designation request has been transmitted On the Iu interface, the user interface is established between the UE and the media gateway MGW1; then, the user C establishes a call to the user equipment B on the ISUP. For this purpose, the transfer switching center TSC2 has been established in the media gateway MGW2 between the terminals Pi2 and Pv21. If the activated call will be placed on hold: while staying, then the user plane must be disconnected from the media gate MGW1; if the waiting call will be accepted, the mobile service switching center MSC will establish a translator relationship with the transcoder Between the terminals Po2 and Pv21 in the media gate MGW2. Figure 12 depicts MPTY using CCDs in the media gate MGW3 only. In this scenario, user A has established a call to user equipment B on ISUP; then, user C has established a call to user equipment B on ISUP; the user equipment B has accepted the waiting call from user C and Place the active call on hold. If the established MPTY is received from the UE, the mobile service switching center MSC will select a media gate with CCD capability. Whenever a new media gate is introduced to the MSC server or when a previously introduced media gate is brought back into service again, these capabilities are requested by the Mobile Services Switching Centre MSC. kMedia gate selection is based on the following priority order -55- This paper size applies the Chinese National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back before filling this page) | --- l · --- Order --------- Line | Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 567734

Printing completed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs: with activated calls on the media gate (this saves the subsequent establishment from RNC to MGW); with media gates with calls on held calls; or based on current The CCD-capable media gate is selected for the load situation. n The above example describes a new way to separate call control and holder control for the implementation of GSM and UMTS core networks. This implementation provides the features outlined above and documented in the scope of patent applications below. -56- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm)

Claims (1)

567734 Patent Application No. 089114438 Chinese Application for Patent Application Replacement (March 1992), Application &quot; Patent Circumstances-One-to-One · A Call Controlling and Holder Controlling Separation to Establish Calls on Wireless Communication Network The method includes the following steps: receiving a service request for a call originating inside the wireless communication network or originating outside the wireless communication network, the call is directed to a selected destination; analyzing the service request and The call originator; selecting at least one media gate to switch the user plane for handling the call according to the result of the analysis; and communicating with the media gate to establish user control for the call. 2. The method of claim 1 in which the call is from a mobile terminal in the network to a mobile terminal in the network, and the selecting step includes selecting a single media gateway to handle the call. 3. The method according to item 1 of the patent application scope, wherein the call is from outside the network to a mobile terminal in the network, and the selecting step includes selecting a single media gateway to handle the call. 4. The method according to item 1 of the scope of patent application, wherein the call is from outside the network and the selected destination is outside the network, and the selecting step includes selecting the first media gate and the second media The gate is used to handle the call. 5. The method according to any one of claims 1 to 4, wherein the media gate is selected from a plurality of media gates according to the media gate capacity required to handle the call. 6. The method according to any one of the claims 1 to 4, wherein the media gate is selected from a plurality of paper standards according to the selected destination used for the call. Chinese national standard (CNS) A4 is applied. Specifications (210 X 297 mm) 567734 A8 B8 C8 ______ D8 ______ 6. The patent application center of Fanyuan Media Road. 7. The method according to any one of items i to 4 of the scope of patent application, wherein the call is from a mobile terminal in the network to the outside of the network, and the selecting step includes selecting a single media gateway for disposal The call. 8. The method according to any one of claims 1 to 4, wherein the selecting step includes selecting a group of media gates according to the destination selected by the call, and at least one media gate is based on the at least A media gate is selected from the group of media gates. 9. The method according to item 8 of the scope of patent application, wherein the at least one media gate is further selected according to the traffic load of the at least one media gate. 10. The method according to any one of claims 1 to 4, wherein the MPTY call is established by selecting a media gate that is better than a servo activated call, and if the media that servo the activated call cannot be used When the media gate is servo-holding the call when it is gated, and if the media gate that servos the held call cannot be used, the media gate with MPTY capability is selected according to the traffic situation. 11. A method for establishing a call in a wireless communication network by separating call control and holder control, including: a) The initial call is established on a control node, which determines the media gateway (MGW) Route the user side of the call; b) the control node requests resources from the media gate to handle the call; c) the control node forwards the address of the media gate to another control node ; And -2-This paper size applies Chinese National Standard (CNS) A4 specifications (210 X 297 mm) 4 73 67 5 ABCD κ, patent application scope d) The additional control node implements steps 骡 b) and c) until Reaching the call destination or external network, the call is carried through the network, whereby the call control is implemented in the control nodes and the holder control is implemented in the media gate. 12. The method according to item 11 of the scope of patent application, wherein the external control node selects the media gate for handling the caller's control of the call. 13. The method of claim 11 or 12, wherein the additional control node is a gated mobile service exchange center. 14. The method as claimed in item 11 or 12 of the scope of patent application, wherein the additional control nodes are the Gate Mobile Service Exchange Center and the second action service exchange center. 15. If the scope of patent application is item 11 or 12 Method, wherein the control node is a switching center. 16. For example, the method of claim 11 or 12, wherein the media gate retains a logical point identifying the resource reserved in the media gate for handling the call in response to a request for a resource . 17. For the method of claim 16 in the scope of patent application, wherein the control node transfers the address of the media gate to another control node in step c) still includes the identification of the logical point transferred in the previous direction to The additional control node. 18. —A wireless communication network comprising: a plurality of control nodes, the control nodes receiving information about a call, and the control nodes requesting resources from at least one media gateway (MGW) user interface for handling the call ; And -3- 1 this paper size applies Chinese National Standard (CNS) A4 specification (210 X 297 mm) 567734 AB c D 6. Patent application park The at least one media gate contains a plurality of logical points for connection A plurality of media gates are provided for a user side to handle the call, the at least one media gate is adapted to identify one of the logical points to one of the control nodes in response to a resource for resource from one of the control nodes Therefore, the plurality of control nodes use the at least one media gate to handle the user plane of the call. 19. If the wireless communication network according to item 18 of the scope of patent application, wherein at least one of the plurality of media gate resources is a transcoder, a conference call device, a modem, a tone generator, a frame device, or an electronic device. Device one. 20. If the wireless communication network of the patent application scope No. 18 or 19, wherein the communication between the control node and the at least one media gateway regarding resource control and reservation in the at least one media gateway is using a device control protocol To execute. 21. The wireless communication network as claimed in item 18 or 19, wherein the device control protocol is H.GCP. 22. If the wireless communication network of item 18 or 19 of the patent application scope, the control nodes request information on one of the media gates in response to the service request of the call. 2j. If the wireless communication network of the 18th or 19th in the scope of patent application, each media gate contains a plurality of logical points for connecting a plurality of media gate resources for handling the call, the media gate is suitable for identification One of the logical points is at one of the control nodes in response to a request for a resource from one of the control nodes. 24. A wireless communication network as described in item 23 of the scope of patent application, in which it is identified -4- paper size coffee @ S @ 家 棣 准 (CNS) A4 specification (21GX 297 public love) painting 567734 A8 B8 C8 application The logical point of the patent scope will use H.GCP to identify the reserved resources and return to the control server. 25. For example, a wireless communication network with the scope of claims 18 or 19, wherein the network uses the N-ISUP interface between the control nodes for call control signaling. 26. For the wireless communication network with the scope of patent application No. 18 or 19, the user plane is transferred and compressed between the media gate and the media gate. 27. A wireless communication network including: at least one media gateway (MGW), each media gateway is suitable for a user plane of a scheduled call, and each media gateway contains a media gateway resource for handling the call; And at least one control node, the at least one control node implements an application delay for call control, the application logic requests a media gate resource at the at least one media gate for handling a call and makes the media gate information &lt;# library Under the control of the application logic. 28. If the wireless communication network of item 27 of the patent application scope still includes a _ # plane, it is used for signaling for the media gate control between the at least one media gate and the at least one control node. -5- This paper size applies to China National Standard (CNS) A4 specification (210 X 297 mm) 567734 Vl _— &gt;: one ,. one · ..... Transcoder