CN102523222B - Processing method for videophone call receding and processing system for same - Google Patents
Processing method for videophone call receding and processing system for same Download PDFInfo
- Publication number
- CN102523222B CN102523222B CN201110430725.0A CN201110430725A CN102523222B CN 102523222 B CN102523222 B CN 102523222B CN 201110430725 A CN201110430725 A CN 201110430725A CN 102523222 B CN102523222 B CN 102523222B
- Authority
- CN
- China
- Prior art keywords
- message
- audio frequency
- mgcf
- receiving
- calling terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- 238000012545 processing Methods 0.000 title abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000000977 initiatory effect Effects 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 8
- 230000011664 signaling Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000005111 flow chemistry technique Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Landscapes
- Telephonic Communication Services (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a processing method for videophone call receding and a processing system for the same. The method includes the steps of after a called terminal of a CS (circuit switched) domain receives a video call request initiated by a calling terminal of an IMS (IP multimedia subsystem) domain and selects audio answering, sending release information to a VIG (video interworking gateway), wherein the release information carries reason codes to indicate that the called terminal selects audio answering; sending error messages to an AS (application server) on the side of the IMS after the VIG receives the release information; and initiating audio media negotiation and resetting up audio call after the AS on the side of the IMS receives the error messages. The processing method can avoid the charging problem due to videophone call receding.
Description
Technical field
The present invention relates to mobile communication technology field, relate in particular to processing method and system that a kind of video telephone falls after rise.
Background technology
In prior art, IP Multimedia System (IP Multimedia Subsystem, IMS) territory and circuit switching (Circuit Switched, CS) territory can intercommunications.IMS territory user can video call CS territory user, and after CS territory user selects video to answer, both can carry out video call business.If CS territory user does not select video to answer and after selecting audio frequency to answer, can again initiate the secondary media negotiation for audio frequency by IMS territory user at present in agreement.For the terminal of not supporting to upgrade (update), in the time of the media negotiation for audio frequency, need Calling Side application server (Application Server, AS) return to 200OK message to calling terminal, so that calling terminal is receiving the media negotiation of again initiating audio frequency after 200OK message.But, because AS is network equipment, AS to terminal in the time sending 200OK message, this 200OK message can be sent to the charging network element of network side simultaneously, for example CSCF (Call Session Control Function, CSCF), and charging network element can carry out charging receiving after 200OK message, can cause charging problem after therefore sending 200OK message in prior art.
Summary of the invention
The invention provides processing method and system that a kind of video telephone falls after rise, when CS territory user does not answer after the Client-initiated video traffic of IMS territory, Calling Side AS can directly initiate audio call, the direct listening to audio CRBT of IMS user, the terminal of avoiding not supporting Update is that listening to audio CRBT carries out secondary and consults the charging problem causing.
The invention provides the processing method that a kind of video telephone falls after rise, comprising:
CS territory terminal called is in the video call request that is receiving IMS territory calling terminal and initiate, and after selecting audio frequency to answer, sends release message to VIG, in described release message, carries cause value, to show that called selection audio frequency answers;
VIG receives after described release message, sends error message to the AS of IMS side;
The AS of IMS side receives after error message, initiates audio frequency media and consults, and re-establishes audio call.
The invention provides the treatment system that a kind of video telephone falls after rise, comprising:
VIG, the release message sending for receiving the terminal called in CS territory, and determine that according to described release message called selection audio frequency answers rear transmission error message, described release message is that described terminal called is in the video call request that receives the calling terminal initiation of IMS territory, and select audio frequency to answer rear transmission, in described release message, carry cause value, to show that called selection audio frequency answers;
AS, is positioned at IMS territory, the described error message sending for receiving described VIG, and receiving after described error message, initiate audio frequency media and consult, re-establish audio call.
As shown from the above technical solution, after in the embodiment of the present invention, called selection audio frequency is answered, send release message to VIG, VIG sends error message to the AS in IMS territory afterwards, the AS in IMS territory is received again initiate audio frequency media after error message to consult, instead of the audio frequency of being initiated by calling terminal is consulted, also just do not need the AS in IMS territory to send 200OK message to the calling terminal in IMS territory, owing to not sending 200Ok message, also just can to avoid in prior art calling terminal be that listening to audio CRBT carries out secondary and consults the charging problem causing.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the method flow schematic diagram of first embodiment of the invention;
Fig. 2 is the schematic diagram of IMS territory and the intercommunication of CS territory in the embodiment of the present invention;
Fig. 3 is the method flow schematic diagram of second embodiment of the invention;
Fig. 4 is that in the embodiment of the present invention, video media is consulted schematic flow sheet;
Fig. 5 is embodiment of the present invention sound intermediate frequency media negotiating process schematic diagram;
Fig. 6 is the system configuration schematic diagram of third embodiment of the invention;
Fig. 7 is the system configuration schematic diagram of fourth embodiment of the invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the method flow schematic diagram of first embodiment of the invention, comprising:
Step 11:CS territory terminal called is in the video call request that is receiving IMS territory calling terminal and initiate, and selects after audio session, sends release message to VIG, in described release message, carries cause value, to show that called selection audio frequency answers;
Step 12:VIG receives after described release message, sends error message to the AS of IMS side;
Wherein, above-mentioned release message and error message can adopt existing techniques in realizing, and cause value in release message can be carried at the reason field of release message, and the occurrence of this cause value can pre-define as required.
The AS of step 13:IMS side receives after error message, initiates audio frequency media and consults, and re-establishes audio call.
Wherein, called after selecting audio frequency to answer in the present embodiment, send error message to the AS of IMS side, the AS of IMS side can initiate the voice call request for audio frequency again according to this error message.Owing to not being that calling terminal is that listening to audio CRBT carries out secondary negotiation request, therefore, the charging problem causing can avoid audio frequency secondary to consult time.
After in the present embodiment, called selection audio frequency is answered, send release message to VIG, VIG sends error message to the AS in IMS territory afterwards, the AS in IMS territory is received again initiate audio frequency media after error message to consult, instead of the audio frequency of being initiated by calling terminal is consulted, also just do not need the AS in IMS territory to send 200OK message to the calling terminal in IMS territory, owing to not sending 200Ok message, also just can to avoid in prior art calling terminal be that listening to audio CRBT carries out secondary and consults the charging problem causing.
Fig. 2 is the schematic diagram of IMS territory and the intercommunication of CS territory in the embodiment of the present invention, referring to Fig. 2, comprise MGCF (Media Gateway Control Function, MGCF), IP multimedia gateway (IP Multimedia Media Gateway, IM-MGW), gateway (Serving Gateway, SGW), CSCF (Call Session Control Function, and Breakout Gateway Control Function (Breakout Gateway Control Function, BGCF) CSCF).Line between each network element is that solid line is shown to be user's face, for dotted line is indicated as chain of command.
Wherein, MGCF has been used for protocol conversion function, comprise session establishment agreement (Session Initiation Protocol, and ISUP (Integrated Service Digital Network User Part SIP), ISUP) conversion between agreement, namely between IMS network and public switch telephone network (Public Switched Telephone Network, PSTN), 2G network; Also for Session Initiation Protocol and and the call control protocol (Bearer Independent Call Control protocol, BICC) of bearer independent between conversion, namely between IMS internet and 3G circuit domain; Also should support the intercommunication between the relevant No.7 signaling message of Session Initiation Protocol and inverter circuit simultaneously, and realize the intercommunication between CS territory by SGW.MGCF has realized the intercommunication at control plane (Control Plane) of IMS territory and CS territory by protocol conversion function.
MGCF, also for media gateway is controlled, as distributing, modificating and release of related resource in control media gateway, and controls media gateway and carries out relevant encoding and decoding conversion etc.H.248, MGCF is realizing by Mn to the control of media gateway.
MGCF also for serving session control equipment (S-CSCF) and the CSCF of CSCF in inquiry session control appliance (I-CSCF) carry out alternately, when receive from PSTN network, 3G/2G circuit domain call request time, request message is routed to relevant device.
IM-MGW media gateway is between IMS core net and CS territory, intercommunication between completing user plane (UserPlane), to realize the intercommunication of bearing bed between these networks, the control of media gateway receiving media gateway control apparatus, mainly provides the correlation functions such as encoding and decoding conversion.
SGW between IMS core net and traditional No.7 signaling network, be responsible for to No.7 signaling message transfer, translation or finalization process, mainly realize the bottom adaptation to No.7 signaling message, to transmit No.7 signaling message between IP network and No.7 signaling network.SGW can independently arrange also and can close and establish with MGCF or IM-MGW.
BGCF is the entity with routing function, completes the Route Selection in the time that IMS calls out to CS territory, determines call signaling to which network (next BGCF) or which interworking unit (MGCF) transmits.
Above-mentioned BGCF, CSCF belongs to the entity in IMS territory, and in addition, IMS territory also comprises the AS in IMS territory.For CS territory, specifically can comprise GMSC (gateway mobile switching center) (Gateway Mobile Switching Center, GMSC), attaching position register (Home Location Register, HLR), color ring platform and Mobile Switching Center Server (MSC Server).
Fig. 3 is the method flow schematic diagram of second embodiment of the invention, comprising:
The calling terminal in step 301:IMS territory is initiated the media negotiation of video call.
The media negotiating process of video call can, referring to Fig. 4, comprise:
The calling terminal in step 401:IMS territory sends request (Invite) message to the AS in IMS territory, comprises SDP type field in Invite message, and for video call, SDP type is wherein indicated as video call.
The AS in step 402:IMS territory forwards this invite message to S-CSCF.
Step 403:S-CSCF is defined as video call according to the SDP type in this Invite message, forwards Invite message to Video Interworking Gateway (Video Interworking Gateway, VIG).
Step 404:VIG sends initial address message (Initial Address Message, IAM) to GMSC.Wherein, in this IAM, can carry SS-code field, and SS-code field is indicated as video call.
Step 405:GMSC calls out according to acquiescence flow processing, for example, to HLR inquiry called subscriber's user profile, the Query Result that wherein HLR returns comprises CRBT identity code, when returning after CRBT identity code, GMSC can be known called subscriber's Ring Back Tone service of having contracted, and can indicate afterwards color ring platform to send CRBT.
Step 406:GMSC is according to Query Result, according to the processing of cross-over connection scheme,, Query Result comprises after CRBT identity code, GMSC can carry out the processing of cross-over connection scheme with color ring platform, for example IAM is routed to the color ring platform in CS territory, and by color ring platform, IAM is issued to the MSCServer of end office (EO) in CS territory;
Step 407:MSC Server paging is to the terminal called in CS territory, terminal called is to MSC Server return address full message (Address Complete Message, ACM), this ACM message also can be called ALERTING message, MSC Server forwards ACM to color ring platform, and forward ACM by color ring platform to GMSC, and forward ACM by GMSC to VIG; In addition, color ring platform can also be determined type of call according to the SS-code field in IAM, and in the present embodiment, type of call is now indicated as video call.
Step 408:VIG changes into 183 message after receiving ACM message, and 183 message are sent to the calling terminal in IMS territory via S-CSCF and AS, and and calling terminal hold consultation, simultaneously H.245 VIG and color ring platform are consulted, and start telecasting video frequency color ring after consulting successfully.
Whether the terminal called in step 302:CS territory selects video to answer, and if so, performs step 303, otherwise execution step 304.
Step 303: called off-hook, call is successfully established.
Step 304: terminal called sends and discharges (release, rel) message to VIG, and carries cause value, so that VIG receives after this rel message, determines that the called audio frequency of having selected answers.
Wherein, in terminal called, can arrange, for example, be arranged to only to carry out audio frequency and answer, paging is after terminal called so, and terminal called can automatically reply rel message before user's off-hook.
Step 305:VIG receives after the rel message of carrying above-mentioned cause value, sends error message (500Server internal error) to the AS of IMS side.
The AS of step 306:IMS side initiates audio frequency media and consults.
In prior art, if terminal called selects audio frequency to answer, and when calling terminal is not supported Update and needs secondary media negotiation, the AS in IMS territory also can send 200OK message to calling terminal, calling terminal resends Reinvite message to the AS in IMS territory more afterwards, again initiates the media negotiation for audio frequency.But 200OK message can cause charging problem.And in the present embodiment, do not need calling terminal again to initiate to consult, but again initiated to consult by AS, just do not need AS to send 200OK message to calling terminal yet.
Audio frequency media negotiations process can as shown in Figure 5, referring to Fig. 5, comprise:
The AS of step 501:IMS side receives after error message, sends invite message to S-CSCF, and the SDP type wherein carrying is indicated as audio call.
Step 502:S-CSCF receives after Invite message, is audio frequency according to the SDP type carrying, and sends Invite message to MGCF;
Step 503:MGCF is that IAM sends to GMSC by Invite message conversion, and GMSC, according to acquiescence flow processing, for example, routes to CS territory color ring platform by IAM, and by color ring platform, IAM message is issued to the MSC Server of end office (EO); Wherein, in this IAM, can carry SS-code field, and SS-code field is indicated as audio call.
Step 504:MSC Server paging is to called subscriber, called subscriber returns to ACM message, MSCServer sends ACM message to color ring platform, color ring platform is determined and is sent audio frequency CRBT according to the SS-code field in IAM, and color ring platform forwards ACM to GMSC, and forward ACM by GMSC to MGCF.
Step 505:MGCF converts 183 message to after receiving ACM, and before called off-hook is answered, color ring platform is directly calling terminal audio plays CRBT, and does not need MGCF and calling terminal for listening audio frequency CRBT to carry out secondary negotiation;
Step 506: calling terminal receives after CRBT, does not check RTP source (Real-time Transfer Protocol source, RTP source).
Because calling terminal is video what start time request, and what finally receive is audio frequency, if carry out RTP source inspection, calling terminal can find to have occurred mistake, so probably will dropped calls.For fear of dropped calls, in the present embodiment, calling terminal does not check RTP source.
Step 507: called off-hook, MGCF sends 200OK message to Calling Side S-CSCF after receiving response message (Answer Message, ANM), and S-CSCF issues 200OK message the AS in IMS territory;
The AS in step 508:IMS territory resends Invite message to MGCF and carries out conversation media negotiation;
The AS in step 509:IMS territory receives the response message of MGCF, and carries the SDP that shows voice-frequency telephony and send Invite message to calling subscriber and carry out media negotiation;
Step 510: media negotiation success, media channel is set up, and calling and called start voice call.
Can set up the media channel of Calling Side by step 508-509, because step 501-506 can set up the media channel of callee side, therefore, calling and called can be conversed, and certainly, are the call of carrying out audio frequency now, instead of video calling.
Fig. 6 is the system configuration schematic diagram of third embodiment of the invention, comprises VIG 61 and AS 62, and VIG is between IMS territory and CS territory, and AS is positioned at IMS territory.The release message that VIG 61 sends for receiving the terminal called in CS territory, and determine that according to described release message called selection audio frequency answers rear transmission error message, described release message is that described terminal called is in the video call request that receives the calling terminal initiation of IMS territory, and select audio frequency to answer rear transmission, in described release message, carry cause value, to show that called selection audio frequency answers; The described error message that AS 62 sends for receiving described VIG, and receiving after described error message, initiate audio frequency media and consult, re-establish audio call.
Optionally, AS specifically for: receiving after error message, before called subscriber's off-hook, carrying out audio frequency media negotiation with terminal called, setting up the audio frequency media passage of MGCF and terminal called; After called subscriber's off-hook, carry out audio frequency media negotiation with calling terminal, set up the audio frequency media passage of MGCF and calling terminal.
Optionally, referring to Fig. 7, the present embodiment can also comprise S-CSCF 63, MGCF 64, GMSC65, MSC server 66 and color ring platform 67.Now, particularly, AS communicates by letter with VIG by S-CSCF.In addition, S-CSCF 63 is positioned at IMS territory, the request message sending for receiving described AS, and to be described AS send after error message receiving described request message, and described request message is indicated as audio call; MGCF 64, between CS territory and IMS territory, for receiving the described request message of described S-CSCF forwarding, and is IAM by described request message conversion, and described IAM is indicated as audio call; GMSC 65 is positioned at CS territory, the described IAM sending for receiving described MGCF; MSC server 66 is positioned at CS territory, the described IAM sending through GMSC and color ring platform for receiving described MGCF, and in paging after called subscriber, receive terminal called transmitting terminal ACM, and forward described ACM to color ring platform; Color ring platform 67 is positioned at CS territory, for receiving the described IAM of described GMSC forwarding and sending to MSC server, and receive the described ACM that MSC server forwards and send to MGCF via GMSC, and send audio frequency CRBT according to IAM to calling terminal receiving after ACM; Described MGCF 64 is also for not holding consultation with calling terminal receiving after described ACM, and described calling terminal does not check RTP source receiving after CRBT.
Optionally, described MGCF 64 is also for receiving after called subscriber's off-hook, the ANM that terminal called sends, and send 200OK message; Described S-CSCF 63 is also for being transmitted to AS by described 200OK message; Described AS 62, also for receiving after 200OK message, sends a request message to MGCF again, and audio frequency media passage is set up in request; Described MGCF 64 is also for returning to the response message corresponding with described request message to described AS; Described AS 62, also for receiving after described response message, sends a request message to calling terminal, sets up the audio frequency media passage between calling terminal and MGCF.
After in the present embodiment, called selection audio frequency is answered, send release message to VIG, VIG sends error message to the AS in IMS territory afterwards, the AS in IMS territory is received again initiate audio frequency media after error message to consult, instead of the audio frequency of being initiated by calling terminal is consulted, also just do not need the AS in IMS territory to send 200OK message to the calling terminal in IMS territory, owing to not sending 200Ok message, also just can to avoid in prior art calling terminal be that listening to audio CRBT carries out secondary and consults the charging problem causing.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in computer read/write memory medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. the processing method that video telephone falls after rise, is characterized in that, comprising:
Circuit switching (CS) territory terminal called is receiving the video call request of IP Multimedia System IMS territory calling terminal initiation, and after selecting audio frequency to answer, send release message to Video Interworking Gateway VIG, in described release message, carry cause value, to show that called selection audio frequency answers;
VIG receives after described release message, sends error message to the application server AS of IMS side;
The AS of IMS side receives after error message, initiates audio frequency media and consults, and re-establishes audio call;
Wherein, the AS of described IMS side receives after error message, initiation audio frequency media is consulted, re-establish audio call, comprise: described AS receives after error message, before called subscriber's off-hook, carry out audio frequency media negotiation with terminal called, set up the audio frequency media passage of MGCF MGCF and terminal called;
Described AS receives after error message, before called subscriber's off-hook, carry out audio frequency media negotiation with terminal called, set up the audio frequency media passage of MGCF and terminal called, comprise: described AS receives after error message, to serving session control equipment, S-CSCF sends a request message, and described request message is indicated as audio call; Described in S-CSCF receives, be indicated as after the request message of audio call, send described request message to MGCF; MGCF is to send to GMSC (gateway mobile switching center) GMSC after initial address message IAM by described request message conversion, and sends to color ring platform and send to moving exchanging center MSC server by color ring platform via GMSC, and described IAM is indicated as audio call; The paging of MSC server, after called subscriber, receives the Address Complete Message ACM that terminal called sends, and described ACM is sent to MGCF via color ring platform and GMSC, and wherein, MGCF does not carry out media negotiation with calling terminal after receiving ACM; Color ring platform receives after ACM, is defined as sending audio frequency CRBT to calling terminal after audio call according to IAM, and wherein, calling terminal does not check realtime transmission protocol RTP source after receiving CRBT.
2. method according to claim 1, is characterized in that, the AS of described IMS side receives after error message, initiates audio frequency media and consults, and re-establishes audio call, also comprises:
Described AS, after called subscriber's off-hook, carries out audio frequency media negotiation with calling terminal, sets up the audio frequency media passage of MGCF and calling terminal.
3. method according to claim 2, is characterized in that, described AS, after called subscriber's off-hook, carries out audio frequency media negotiation with calling terminal, sets up the audio frequency media passage of MGCF and calling terminal, comprising:
MGCF receives after called subscriber's off-hook, the response message ANM that terminal called sends, and send 200OK message via S-CSCF to AS;
AS, receiving after 200OK message, sends a request message to MGCF again, and audio frequency media passage is set up in request;
AS, receiving after the response message of MGCF, sends a request message to calling terminal, sets up the audio frequency media passage between calling terminal and MGCF.
4. the treatment system that video telephone falls after rise, is characterized in that, comprising:
Video Interworking Gateway VIG, the release message sending for the terminal called in receiving circuit exchange CS territory, and determine that according to described release message called selection audio frequency answers rear transmission error message, described release message is that described terminal called is in the video call request that receives the calling terminal initiation of IP Multimedia System IMS territory, and select audio frequency to answer rear transmission, in described release message, carry cause value, to show that called selection audio frequency answers;
Application server AS, is positioned at IMS territory, the described error message sending for receiving described VIG, and receiving after described error message, initiate audio frequency media and consult, re-establish audio call; Described AS specifically for: receiving after error message, before called subscriber's off-hook, carrying out audio frequency media negotiation with terminal called, setting up the audio frequency media passage of MGCF MGCF and terminal called;
Serving session control equipment S-CSCF, is positioned at IMS territory, the request message sending for receiving described AS, and to be described AS send after error message receiving described request message, and described request message is indicated as audio call;
MGCF, the described request message forwarding for receiving described S-CSCF, and be initial address message IAM by described request message conversion, described IAM is indicated as audio call;
GMSC (gateway mobile switching center) GMSC, is positioned at CS territory, the described IAM sending for receiving described MGCF;
Moving exchanging center MSC server, be positioned at CS territory, the described IAM sending through GMSC and color ring platform for receiving described MGCF, and in paging after called subscriber, receive the Address Complete Message ACM that terminal called sends, and forward described ACM to color ring platform;
Color ring platform, be positioned at CS territory, for receiving the described IAM that described GMSC forwards and sending to MSC server, and receive the described ACM that MSC server forwards and send to MGCF via GMSC, and sending audio frequency CRBT according to IAM to calling terminal receiving after ACM;
Described MGCF is also for not holding consultation with calling terminal receiving after described ACM, and described calling terminal does not check realtime transmission protocol RTP source receiving after CRBT.
5. system according to claim 4, is characterized in that, described AS specifically also for:
After called subscriber's off-hook, carry out audio frequency media negotiation with calling terminal, set up the audio frequency media passage of MGCF and calling terminal.
6. system according to claim 5, is characterized in that: described MGCF is also for receiving after called subscriber's off-hook, the response message ANM that terminal called sends, and send 200OK message;
Described S-CSCF is also for being transmitted to AS by described 200OK message;
Described AS also, for receiving after 200OK message, sends a request message to MGCF again, and audio frequency media passage is set up in request;
Described MGCF is also for returning to the response message corresponding with described request message to described AS;
Described AS also, for receiving after described response message, sends a request message to calling terminal, sets up the audio frequency media passage between calling terminal and MGCF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110430725.0A CN102523222B (en) | 2011-12-20 | 2011-12-20 | Processing method for videophone call receding and processing system for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110430725.0A CN102523222B (en) | 2011-12-20 | 2011-12-20 | Processing method for videophone call receding and processing system for same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102523222A CN102523222A (en) | 2012-06-27 |
| CN102523222B true CN102523222B (en) | 2014-10-22 |
Family
ID=46294014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110430725.0A Active CN102523222B (en) | 2011-12-20 | 2011-12-20 | Processing method for videophone call receding and processing system for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102523222B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1594326A1 (en) * | 2004-05-07 | 2005-11-09 | Siemens Aktiengesellschaft | Call establishment in a mobile radio network supporting voice and video telephonie |
| CN1893485A (en) * | 2005-11-18 | 2007-01-10 | 华为技术有限公司 | Multi-media falling-back method in communication network |
| CN101146254A (en) * | 2007-08-20 | 2008-03-19 | 中国网络通信集团公司 | Video call drop method |
| CN101316269A (en) * | 2008-06-19 | 2008-12-03 | 中兴通讯股份有限公司 | Method and system for implementing group multimedia ring service, and video gateway |
| CN101534264A (en) * | 2008-03-14 | 2009-09-16 | 华为技术有限公司 | Method and equipment for realizing intercommunication of IMS domain and CS domain |
| CN101409627B (en) * | 2007-10-09 | 2011-02-02 | 华为技术有限公司 | Network-striding association charging method, network appliance, charging entity and charging system |
| CN102025962A (en) * | 2009-09-23 | 2011-04-20 | 华为技术有限公司 | Method and device for triggering charging of falling voice call of video call |
| CN102088518A (en) * | 2009-12-04 | 2011-06-08 | 中国移动通信集团公司 | Method for nesting of video phone services, and system thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7860102B2 (en) * | 2006-02-20 | 2010-12-28 | Nokia Corporation | Call establishment for multimedia call |
-
2011
- 2011-12-20 CN CN201110430725.0A patent/CN102523222B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1594326A1 (en) * | 2004-05-07 | 2005-11-09 | Siemens Aktiengesellschaft | Call establishment in a mobile radio network supporting voice and video telephonie |
| CN1893485A (en) * | 2005-11-18 | 2007-01-10 | 华为技术有限公司 | Multi-media falling-back method in communication network |
| CN101146254A (en) * | 2007-08-20 | 2008-03-19 | 中国网络通信集团公司 | Video call drop method |
| CN101409627B (en) * | 2007-10-09 | 2011-02-02 | 华为技术有限公司 | Network-striding association charging method, network appliance, charging entity and charging system |
| CN101534264A (en) * | 2008-03-14 | 2009-09-16 | 华为技术有限公司 | Method and equipment for realizing intercommunication of IMS domain and CS domain |
| CN101316269A (en) * | 2008-06-19 | 2008-12-03 | 中兴通讯股份有限公司 | Method and system for implementing group multimedia ring service, and video gateway |
| CN102025962A (en) * | 2009-09-23 | 2011-04-20 | 华为技术有限公司 | Method and device for triggering charging of falling voice call of video call |
| CN102088518A (en) * | 2009-12-04 | 2011-06-08 | 中国移动通信集团公司 | Method for nesting of video phone services, and system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102523222A (en) | 2012-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100909542B1 (en) | Method and apparatus for interworking voice and multimedia service between a CSI terminal and an IMS terminal | |
| CN101647296B (en) | A method, a multimedia network gateway control device and an application server for implementing intercommunication of color ring back tone | |
| US8155084B2 (en) | User equipment, call continuity application server, and network handover method | |
| CN1751493B (en) | Bearer negotiation for a session | |
| US7912198B2 (en) | System and method for implementing multimedia ring back tone service | |
| US8131265B2 (en) | System and method for implementing multimedia ring back tone service | |
| US8244229B2 (en) | Mobile video call response | |
| CN101087478A (en) | Control method for call switching, communication system and user device | |
| EP2352331A1 (en) | Method, apparatus and system for call switching | |
| CN100484172C (en) | System and method for realizing video color ring service | |
| CN101141692A (en) | Multimedia color bell service implementing method | |
| JP2005006328A (en) | Redirect of new media path between packet switched portion and circuit switched portion of mobile communication switching center using server component | |
| US20110142222A1 (en) | Method, apparatus and system for playing multimedia ring back tones | |
| CN101379786B (en) | Service provide based on packet through circuit switch access | |
| US20120213346A1 (en) | Method, server and terminal device for playing multimedia ring tone during call | |
| CN100417288C (en) | Method of turning multimedia call back to speech call | |
| EP2479968A1 (en) | Method for playing multimedia ring tone during conversation period, server and terminal device thereof | |
| CN102469425A (en) | Method, device and system for realizing one number service | |
| CN101553042B (en) | Method, system and equipment for selecting gateway | |
| CN102594804A (en) | Method and system for playing by using narrow-band equipment in broadband service | |
| CN101668229A (en) | Method, device and system for calling and controlling multimedia ringtone service | |
| CN102523222B (en) | Processing method for videophone call receding and processing system for same | |
| CN101146247B (en) | Method for providing mobile network with value-added service | |
| CN102833715B (en) | Inquisition switching implementation method, application server, business terminal and system | |
| WO2012089064A1 (en) | Method and device for interacting control information between access terminal in circuit switch domain and as |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |