CN106559753B - Method and system for granting speaking right - Google Patents
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- CN106559753B CN106559753B CN201510623411.0A CN201510623411A CN106559753B CN 106559753 B CN106559753 B CN 106559753B CN 201510623411 A CN201510623411 A CN 201510623411A CN 106559753 B CN106559753 B CN 106559753B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
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- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
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- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
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- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
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Abstract
The invention provides a method and a system for granting speaking right, in the method provided by the invention, because the extended special bearing request sent by the core network to the terminal comprises speaking right authorization information and multimedia information, namely, the core network actively grants the speaking right to the terminal when the bearing of the uplink and downlink air interface information of the terminal is established, the terminal can determine that the core network grants the speaking right when receiving the extended special bearing request, and immediately converts to the speaking right state according to the multimedia information, the core network does not need to send a group calling receiving message or a speaking right granting message carrying the speaking right information to the terminal, and the terminal does not need to return a group calling receiving confirmation message or an air interface confirmation message to the core network, so as to reduce the sending times of the air interface message, reducing the time delay in granting the right to speak.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and a system for granting a right to speak.
Background
Long Term Evolution (LTE) trunking private network technology is continuously developed, and users want to have a fast speaking right granting speed so as to realize the switching of speaking rights faster. In the prior art, a terminal can Request a core network to grant speaking right when initiating a group Call Request (Call Request); or when the terminal is in the group call monitoring state, the terminal requests the core network to grant the speaking right.
In the prior art, as shown in fig. 1, when a core network authorizes a right to speak to a terminal, the core network initiates an Activate Dedicated Bearer Request (Activate Dedicated EPS Bearer Context Request) message to the terminal, and the terminal returns an Activate Dedicated EPS Bearer Context Accept (Activate Dedicated EPS Bearer Context Accept) message to the core network. And the core network sends a group Call Accept (Call Accept) message or a speaking right Grant message (Grant) carrying the speaking right information to the terminal. And after receiving a group Call Accept (Call Accept) message or a Grant of speaking right (Grant) message carrying the speaking right information, the terminal returns a group Call Accept confirmation (Call Complete) message or a Grant Ack (Grant Ack) message to the core network. At this point, the terminal may enter the talk burst state and begin a conversation.
When the technical personnel of the invention adopts the method to realize the granting of the speaking right, the following defects are found: when a core network initiates a dedicated bearer activation request message to a terminal, bearers of uplink and downlink air interface messages to the terminal by the core network are already established, but at this time, the terminal also needs to wait for a group call acceptance message or an speaking right granting message which is sent by the core network and carries speaking right information, and can start a session after returning a group call acceptance confirmation message or an speaking right confirmation message to the core network. That is, after the core network establishes the bearer for the empty message of the terminal, the session cannot be started immediately, which results in a long time delay for granting the speaking right, and especially when the environment of the empty message is poor or the interference of the empty message is strong, the probability of losing or repeatedly transmitting the empty message for bearing the acceptance confirmation message or the speaking right confirmation message is increased, and the time delay for granting the speaking right is further increased.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and a system for granting the speaking right, so as to solve the problem of increasing the time delay for granting the speaking right caused by the fact that the core network cannot start a session immediately after the bearer of the air interface message of the terminal is established in the prior art.
Therefore, the technical scheme for solving the technical problem is as follows:
a first aspect of the present invention provides a method of granting speech rights, the method comprising:
a terminal sends a request message to a core network, wherein the request message comprises an identifier of the terminal;
the core network receives the request message, determines to grant speaking right to the terminal according to the content of the request message, and sends an expanded special bearing activation request message to the terminal according to the identifier of the terminal, wherein the expanded special bearing activation request message comprises speaking right authorization information and multimedia information;
the terminal receives the extended special bearer activation request message, determines that the core network grants the speaking right according to the speaking right authorization information, converts the speaking right state according to the multimedia information, and returns a special bearer acceptance message to the core network.
In a first possible implementation form of the first aspect of the invention, it is characterized in that,
the extended activate dedicated bearer request message includes a Floor Status field including talk right authorization information and a Session Description Protocol (SDP) field including multimedia information.
In a second possible implementation manner, with reference to the first possible implementation manner of the first aspect of the present invention, the method is characterized in that,
the Format of encoding and decoding in the Floor Status field is Type Value TV, Presecce is optional, Length is 2 bytes, Type in the Format of the Floor Status field is used for indicating the Type of the Floor Status field, and Value includes speaking right authorization information.
In a third possible implementation manner, with reference to the first possible implementation manner of the first aspect of the present invention, the method is characterized in that,
the Format of the codec in the SDP field is a Type Value TV, Presecce is optional, the Length is 24 bytes, the Type in the Format of the SDP field is used for indicating the Type of the SDP field, and the Value includes multimedia information.
With reference to the first possible implementation manner of the first aspect to the third possible implementation manner of the first aspect, in a fourth possible implementation manner,
the multimedia information comprises coding and decoding formats, the IP address of the core network and the port information of the core network.
In a fifth possible implementation manner of the first aspect of the present invention, the sending, by the terminal, the request message to the core network includes:
the terminal sends a group calling request message to the core network;
or,
and the terminal sends a speaking right request message to the core network.
A second aspect of the present invention provides a system for granting discourse, the system comprising:
the terminal and a core network establishing communication connection with the terminal;
the terminal comprises a first transmitter, a first receiver and a first processor which is respectively connected with the first transmitter and the first receiver;
the first transmitter is configured to send a request message to the core network, and return a dedicated bearer acceptance message to the core network, where the request message includes utterance right request information;
the first receiver is configured to receive the extended activate dedicated bearer request message;
the first processor is used for determining that the core network grants the speaking right according to the speaking right authorization information and converting into a speaking right state according to the multimedia information;
the core network comprises a second transmitter, a second receiver and a second processor which is respectively connected with the second transmitter and the second receiver;
the second receiver is configured to receive the request message;
the second processor is used for determining to grant speaking right to the terminal according to the content of the request information;
and the second transmitter is used for transmitting an extended special bearer activation request message to the terminal according to the identifier of the terminal, wherein the extended special bearer activation request message comprises the speaking right authorization information and the multimedia information.
In a first possible implementation form of the second aspect of the invention, the method is characterized in that,
the extended activate dedicated bearer request message includes a Floor Status field including talk right authorization information and a Session Description Protocol (SDP) field including multimedia information.
In a third possible implementation manner, with reference to the second aspect or the first possible implementation manner of the second aspect of the present invention, the method is characterized in that,
the first transmitter is configured to transmit a group call request message to the core network;
or, sending a speaking right request message to the core network.
A third aspect of the present invention provides a terminal, including:
a transmitter, a receiver, and a processor connected to the transmitter and the receiver, respectively;
the transmitter is used for transmitting a request message to a core network and returning a special bearing receiving message to the core network, wherein the request message comprises speaking right request information;
the receiver is configured to receive the extended activate dedicated bearer request message;
the processor is used for determining the speaking right granted by the core network according to the speaking right authorization information and converting into a speaking right state according to the multimedia information.
A fourth aspect of the present invention provides a core network, including:
a transmitter, a receiver, and a processor connected to the transmitter and the receiver, respectively;
the receiver is used for receiving the request message;
the processor is used for determining to grant speaking right to the terminal according to the content of the request information;
the transmitter is used for transmitting an extended special bearer activation request message to the terminal according to the identifier of the terminal, wherein the extended special bearer activation request message comprises speaking right authorization information and multimedia information.
According to the technical scheme, the invention has the following beneficial effects:
the invention provides a method and a system for granting speaking right, wherein a terminal sends a request message to a core network, and the request message comprises an identifier of the terminal; the core network receives the request message, determines to grant speaking right to the terminal according to the content of the request message, and sends an expanded special bearing activation request message to the terminal according to the identification of the terminal, wherein the expanded special bearing activation request message comprises speaking right authorization information and multimedia information; the terminal receives the extended special bearer activation request message, determines that the core network grants the speaking right according to the speaking right authorization information, converts the speaking right into a speaking right state according to the multimedia information, and returns a special bearer receiving message to the core network. Because the extended special bearer activation request sent by the core network to the terminal includes speaking right authorization information, that is, the core network grants the speaking right to the terminal while establishing the bearer of the uplink and downlink air interface messages of the terminal, the terminal can determine that the core network grants the speaking right when receiving the extended special bearer activation request, and immediately converts to a speaking right state according to the multimedia information, the core network does not need to send a group call receiving message or a speaking right granting message carrying the speaking right information to the terminal, and the terminal does not need to return a group call receiving confirmation message or a speaking right confirmation message to the core network, thereby reducing the number of times of sending the air interface messages and reducing the time delay of granting the speaking right.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a timing diagram of a method for granting speaking right provided by the prior art;
FIG. 2 is a real-time sequence diagram of the method for granting speaking right according to the present invention;
FIG. 3 is a timing diagram illustrating a scenario of a method for granting speech right according to the present invention;
FIG. 4 is a timing diagram illustrating a second scenario of the method for granting speech right according to the present invention;
FIG. 5 is a schematic diagram of a system for granting speaking right according to the present invention;
fig. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a core network structure according to an embodiment of the present invention.
Detailed Description
In order to provide an implementation scheme for a core network in an LET cluster private network to rapidly grant a speaking right to a terminal, the embodiment of the invention provides a method and a system for granting the speaking right, and a preferred embodiment of the invention is described below with reference to an attached drawing of the specification.
Fig. 2 is a real-time sequence chart of the method for granting speaking right provided by the invention, and the method comprises the following steps:
201: the terminal sends a request message to a core network, wherein the request message comprises the identifier of the terminal.
And the terminal sends a request message to the core network, and the request message is used for requesting the core network to grant the speaking right. The request message may be a group call request message, and at this time, it is default that the terminal requests the core network for a group call and requests to grant an speaking right. The request message may also be a speaking right request message, and at this time, when the terminal is in a group call monitoring state, the terminal requests to grant the speaking right to the core network. The request message includes the identifier of the terminal, so that the core network can identify the terminal sending the request message. In the LTE cluster private network, the request message is carried on an air interface message and is sent to the core network.
202: the core network receives the request message, determines to grant speaking right to the terminal according to the content of the request message, and sends an expanded special bearing activation request message to the terminal according to the identification of the terminal, wherein the expanded special bearing activation request message comprises speaking right authorization information and multimedia information.
And after receiving the request message sent by the terminal, the core network determines that the terminal requests to grant the speaking right according to the content of the request message. And the core network sends an expanded special bearing activation request message to the terminal, wherein the expanded special bearing activation request message comprises the speaking right authorization information and the multimedia information. That is, the core network grants the speaking right to the terminal while establishing the bearer of the uplink and downlink air interface messages of the terminal.
In the prior art, the dedicated bearer activation request message sent by the core network to the terminal does not include the speaking right authorization information, that is, when the bearer of the uplink and downlink air interface messages of the terminal is established, the speaking right is not granted to the terminal. Therefore, the core network needs to send a group call acceptance message or a speaking right granting message carrying speaking right information to the terminal, and the terminal needs to return a group call acceptance confirmation message or a speaking right confirmation message to the core network, and then the terminal can be converted into a speaking right state.
Therefore, compared with the method for granting the speaking right provided by the invention in the prior art, the method for granting the speaking right adopted in the prior art needs to transmit two more air interface messages, the time delay for granting the speaking right is longer, and especially when the environment of the air interface messages is poor or the interference of the air interface messages is strong, the probability that the air interface messages bearing the receiving confirmation messages or the speaking right confirmation messages are lost or repeatedly transmitted is higher, so that the time delay for granting the speaking right is further increased. The method for granting the speaking right reduces the transmission times of the air interface message and reduces the time delay for granting the speaking right.
In a specific embodiment, the extended activate dedicated bearer request message includes a Floor Status field and a Session Description Protocol (SDP) field, where the Floor Status field includes utterance right authorization information, and the SDP field includes multimedia information.
Specifically, in the LTE trunking private network, a 3GPP protocol is adopted, the Format of codec in the Floor Status field in the talk right state is a Type Value TV, Presecce is presented as optional, in the 3GPP protocol, the field Presecce is represented by "O", the field Presecce is represented as optional, the Length is 2 bytes, the Type in the Format of the Floor Status field is used to indicate the Type of the Floor Status field, and the Value includes talk right authorization information.
Specifically, in the LTE trunking private network, a 3GPP protocol is adopted, where a Format in the SDP field is a Type Value TV, preseccie is optional, and is represented by "O", Length is 24 bytes, a Type in the Format of the SDP field is used to indicate the Type of the SDP field, and Value includes multimedia information.
Specifically, the multimedia information includes a codec format, an IP address of the core network, and port information of the core network.
For example: when Value of the Floor Status field is set to 1, indicating that the core network grants the voice speaking right to the terminal; when Value of the Floor Status field is set to 2, it indicates that the core network grants the video speaking right to the terminal. The coding and decoding format in the multimedia information is a voice coding and decoding format or a video coding and decoding format, namely when the core network grants the voice speaking right to the terminal, the coding and decoding format is the voice coding and decoding format; and when the core network grants the video speaking right to the terminal, the coding and decoding format is a video coding and decoding format. The IP address of the core network refers to an IP address of multimedia of the multimedia content sent by the receiving terminal in the core network. The port information of the core network refers to the port information of the multimedia content sent by the receiving terminal in the core network.
203: the terminal receives the extended special bearer activation request message, determines that the core network grants the speaking right according to the speaking right authorization information, converts the speaking right into a speaking right state according to the multimedia information, and returns a special bearer receiving message to the core network.
The terminal receives the extended special bearing activation request message sent by the core network, can analyze the extended special bearing activation request message to obtain the speaking right authorization message and the multimedia information, and determines the speaking right granted by the core network according to the speaking right authorization message to obtain the speaking right type granted by the core network. The multimedia information may also be parsed from the extended activate dedicated bearer request message, and the terminal may start a conversation by converting the state into a speaking right state, i.e., into a voice speaking right or a video speaking right, according to the multimedia information. And the terminal also returns a dedicated bearer accept message to the core network. At this time, the process of granting the speaking right to the terminal by the core network is ended.
Fig. 3 is a timing diagram of a scenario of the method for granting the right to speak according to the present invention, in a scenario one, the terminal sends a group call request message to the core network, and the method includes:
301: the terminal sends a group call request message to a core network, wherein the group call request message comprises the identifier of the terminal.
302: the core network receives the request message, determines to grant the speaking right to the terminal according to the speaking right request message, and sends an expanded special bearing activation request message to the terminal according to the identification of the terminal, wherein the expanded special bearing activation request message comprises the speaking right authorization message and multimedia information.
303: the terminal receives the extended special bearer activation request message, determines that the core network grants the speaking right according to the speaking right authorization information, converts the speaking right into a speaking right state according to the multimedia information, and returns a special bearer receiving message to the core network.
In the method for granting the speaking right shown in fig. 3, when the terminal requests the core network to initiate a group call request, it defaults to simultaneously request the core network to grant the speaking right. The implementation of granting the speaking right is similar to the method shown in fig. 2, and reference is made to the description in the method shown in fig. 2, which is not repeated here.
Fig. 4 is a timing diagram of a scenario two of the method for granting the right to speak according to the present invention, in scenario one, the terminal sends a call request message to the core network, and the method includes:
401: the terminal sends a speaking right request message to a core network, wherein the speaking right request message comprises the identification of the terminal.
402: the core network receives the request message, determines to grant the speaking right to the terminal according to the speaking right request message, and sends an expanded special bearing activation request message to the terminal according to the identification of the terminal, wherein the expanded special bearing activation request message comprises the speaking right authorization message and multimedia information.
403: the terminal receives the extended special bearer activation request message, determines that the core network grants the speaking right according to the speaking right authorization information, converts the speaking right into a speaking right state according to the multimedia information, and returns a special bearer receiving message to the core network.
In the method for granting the speaking right shown in fig. 4, the terminal requests the core network to grant the speaking right in the group call listening state. The implementation of granting the speaking right is similar to the method shown in fig. 2, and reference is made to the description in the method shown in fig. 2, which is not repeated here.
Fig. 5 is a schematic structural diagram of a system for granting the right to speak according to an embodiment of the present invention, where the system includes:
a terminal 501 and a core network 502 for establishing a communication connection with the terminal 501.
The terminal 501 comprises a first transmitter 503, a first receiver 504, and a first processor 505 connected to the first transmitter 503 and the first receiver 504, respectively.
The first transmitter 503 is configured to send a request message to the core network 502, and return a dedicated bearer accept message to the core network 502, where the request message includes an identifier of the terminal.
The first receiver 504 is configured to receive the extended activate dedicated bearer request message.
The first processor 505 is configured to determine that the core network 502 grants the speaking right according to the speaking right authorization information, and convert to a speaking right state according to the multimedia information.
The core network 502 comprises a second transmitter 506, a second receiver 507, and a second processor 508 connected to the second transmitter 506 and the second receiver 507, respectively.
The second receiver 507 is configured to receive the request message.
The second processor 508 is configured to determine to grant the speaking right to the terminal 501 according to the content of the request information.
The second transmitter 506 is configured to transmit an extended active dedicated bearer request message to the terminal 501 according to the identifier of the terminal 501, where the extended active dedicated bearer request message includes the right-to-speak authorization information and the multimedia information.
Optionally, the extended activate dedicated bearer request message includes a Floor Status field and a session description protocol SDP field, where the Floor Status field includes utterance right authorization information, and the SDP field includes multimedia information.
Optionally, the Format of codec in the Floor Status field is a Type Value TV, the presence of presecci is optional, the Format is represented by "O", the Length is 2 bytes, the Type in the Format of the Floor Status field is used to indicate the Type of the Floor Status field, and the Value includes utterance right authorization information.
Optionally, the Format of codec in the SDP field is a Type Value TV, the presentation of Presecce is optional, the presentation is represented by "O", the Length is 24 bytes, the Type in the Format of the SDP field is used for indicating the Type of the SDP field, and the Value includes multimedia information.
Optionally, the multimedia information includes a codec format, an IP address of the core network, and port information of the core network.
Optionally, the first transmitter 503 is configured to send a group call request message to the core network;
or, sending a speaking right request message to the core network.
The system for granting the speaking right shown in fig. 5 is a system corresponding to the method for granting the speaking right shown in fig. 2, and the specific implementation method is similar to the method shown in fig. 2, and reference is made to the description in the method shown in fig. 2, which is not repeated here.
Fig. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention, where the terminal includes:
a transmitter 601, a receiver 602, and a processor 603 connected to the transmitter 601 and the receiver 602, respectively.
The transmitter 601 is configured to send a request message to a core network, and return a dedicated bearer accept message to the core network, where the request message includes utterance right request information.
The receiver 602 is configured to receive the extended activate dedicated bearer request message.
The processor 603 is configured to determine that the core network grants the speaking right according to the speaking right authorization information, and convert to a speaking right state according to the multimedia information.
Optionally, the extended activate dedicated bearer request message includes a Floor Status field and a session description protocol SDP field, where the Floor Status field includes utterance right authorization information, and the SDP field includes multimedia information.
Optionally, the Format of codec in the Floor Status field is a Type Value TV, the presence of presecci is optional, the Format is represented by "O", the Length is 2 bytes, the Type in the Format of the Floor Status field is used to indicate the Type of the Floor Status field, and the Value includes utterance right authorization information.
Optionally, the Format of codec in the SDP field is a Type Value TV, the presentation of Presecce is optional, the presentation is represented by "O", the Length is 24 bytes, the Type in the Format of the SDP field is used for indicating the Type of the SDP field, and the Value includes multimedia information.
Optionally, the multimedia information includes a codec format, an IP address of the core network, and port information of the core network.
Optionally, the transmitter 601 is configured to send a group call request message by the core network;
or, sending a speaking right request message to the core network.
The terminal shown in fig. 6 is a terminal corresponding to the method for granting the speaking right shown in fig. 2, and the specific implementation method is similar to the method shown in fig. 2, and reference is made to the description in the method shown in fig. 2, which is not repeated here.
Fig. 7 is a schematic structural diagram of a core network according to an embodiment of the present invention, where the core network includes:
a transmitter 701, a receiver 702, and a processor 703 connected to the transmitter 701 and the receiver 702, respectively.
The receiver 702 is configured to receive the request message.
The processor 703 is configured to determine to grant the terminal the speaking right according to the content of the request information;
the transmitter 701 is configured to transmit an extended special bearer activation request message to the terminal according to the identifier of the terminal, where the extended special bearer activation request message includes the right-to-speak authorization information and the multimedia information.
Optionally, the extended activate dedicated bearer request message includes a Floor Status field and a session description protocol SDP field, where the Floor Status field includes utterance right authorization information, and the SDP field includes multimedia information.
Optionally, the Format of codec in the Floor Status field is a Type Value TV, the presence of presecci is optional, the Format is represented by "O", the Length is 2 bytes, the Type in the Format of the Floor Status field is used to indicate the Type of the Floor Status field, and the Value includes utterance right authorization information.
Optionally, the Format of codec in the SDP field is a Type Value TV, the presentation of Presecce is optional, the presentation is represented by "O", the Length is 24 bytes, the Type in the Format of the SDP field is used for indicating the Type of the SDP field, and the Value includes multimedia information.
Optionally, the multimedia information includes a codec format, an IP address of the core network, and port information of the core network.
The core network shown in fig. 7 is a core network corresponding to the method for granting the speaking right shown in fig. 2, and the specific implementation method is similar to the method shown in fig. 2, and reference is made to the description in the method shown in fig. 2, which is not repeated here.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (11)
1. A method for granting speech rights, the method comprising:
a terminal sends a request message to a core network, wherein the request message comprises an identifier of the terminal;
the core network receives the request message, determines to grant speaking right to the terminal according to the content of the request message, and sends an expanded special bearing activation request message to the terminal according to the identification of the terminal, wherein the expanded special bearing activation request message comprises speaking right authorization information and multimedia information;
the terminal receives the extended special bearer activation request message, determines that the core network grants the speaking right according to the speaking right authorization information, converts the speaking right state according to the multimedia information, and returns a special bearer acceptance message to the core network.
2. The method of claim 1,
the extended activate dedicated bearer request message includes a Floor Status field including talk right authorization information and a Session Description Protocol (SDP) field including multimedia information.
3. The method of claim 2,
the Format of encoding and decoding in the Floor Status field is Type Value TV, Presecce is optional, Length is 2 bytes, Type in the Format of the Floor Status field is used for indicating the Type of the Floor Status field, and Value includes speaking right authorization information.
4. The method of claim 2,
the Format of the codec in the SDP field is a Type Value TV, Presecce is optional, the Length is 24 bytes, the Type in the Format of the SDP field is used for indicating the Type of the SDP field, and the Value includes multimedia information.
5. The method according to any one of claims 2 to 4,
the multimedia information comprises coding and decoding formats, the IP address of the core network and the port information of the core network.
6. The method of claim 1, wherein the terminal sending the request message to the core network comprises:
the terminal sends a group calling request message to the core network;
or,
and the terminal sends a speaking right request message to the core network.
7. A system for granting speech rights, the system comprising:
the terminal and a core network establishing communication connection with the terminal;
the terminal comprises a first transmitter, a first receiver and a first processor which is respectively connected with the first transmitter and the first receiver;
the first transmitter is configured to send a request message to the core network, and return a dedicated bearer acceptance message to the core network, where the request message includes utterance right request information;
the first receiver is configured to receive an extended activate dedicated bearer request message;
the first processor is used for determining the speaking right granted by the core network according to the speaking right authorization information and converting into a speaking right state according to the multimedia information;
the core network comprises a second transmitter, a second receiver and a second processor which is respectively connected with the second transmitter and the second receiver;
the second receiver is configured to receive the request message;
the second processor is used for determining to grant speaking right to the terminal according to the content of the request message;
and the second transmitter is used for transmitting an extended special bearer activation request message to the terminal according to the identifier of the terminal, wherein the extended special bearer activation request message comprises the speaking right authorization information and the multimedia information.
8. The system of claim 7,
the extended activate dedicated bearer request message includes a Floor Status field including talk right authorization information and a Session Description Protocol (SDP) field including multimedia information.
9. The system according to any one of claims 7 to 8,
the first transmitter is configured to transmit a group call request message to the core network;
or, sending a speaking right request message to the core network.
10. A terminal, characterized in that the terminal comprises:
a transmitter, a receiver, and a processor connected to the transmitter and the receiver, respectively;
the transmitter is used for transmitting a request message to a core network and returning a special bearing receiving message to the core network, wherein the request message comprises speaking right request information;
the receiver is configured to receive an extended activate dedicated bearer request message;
and the processor is used for determining the speaking right granted by the core network according to the speaking right authorization information and converting into a speaking right state according to the multimedia information.
11. A core network, characterized in that the core network comprises:
a transmitter, a receiver, and a processor connected to the transmitter and the receiver, respectively;
the receiver is used for receiving a request message;
the processor is used for determining to grant speaking right to the terminal according to the content of the request message;
the transmitter is used for transmitting an extended special bearer activation request message to the terminal according to the identifier of the terminal, wherein the extended special bearer activation request message comprises speaking right authorization information and multimedia information.
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| CN101616364A (en) * | 2009-07-27 | 2009-12-30 | 普天信息技术研究院有限公司 | A kind of group-calling service implementation method |
| CN103313207A (en) * | 2012-03-16 | 2013-09-18 | 鼎桥通信技术有限公司 | Method, system and equipment for applying speaking right in digital trunking system |
| CN103974205A (en) * | 2013-01-31 | 2014-08-06 | 中兴通讯股份有限公司 | Cluster business control method, network-side equipment and user equipment |
| CN104936152A (en) * | 2014-03-17 | 2015-09-23 | 成都鼎桥通信技术有限公司 | Terminal in cluster system, and authorization method for terminal |
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| CN103609147B (en) * | 2012-10-25 | 2019-08-16 | 华为技术有限公司 | Trunked communication system, cluster server, access network and cluster communication method |
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| CN101616364A (en) * | 2009-07-27 | 2009-12-30 | 普天信息技术研究院有限公司 | A kind of group-calling service implementation method |
| CN103313207A (en) * | 2012-03-16 | 2013-09-18 | 鼎桥通信技术有限公司 | Method, system and equipment for applying speaking right in digital trunking system |
| CN103974205A (en) * | 2013-01-31 | 2014-08-06 | 中兴通讯股份有限公司 | Cluster business control method, network-side equipment and user equipment |
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