CN100442874C - Method for determining voice right distributing mode and group communication system - Google Patents
Method for determining voice right distributing mode and group communication system Download PDFInfo
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- CN100442874C CN100442874C CNB200510130426XA CN200510130426A CN100442874C CN 100442874 C CN100442874 C CN 100442874C CN B200510130426X A CNB200510130426X A CN B200510130426XA CN 200510130426 A CN200510130426 A CN 200510130426A CN 100442874 C CN100442874 C CN 100442874C
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Abstract
The present invention discloses a method for determining a calling right distributing mode, and a cluster communication system, which solves the problem that calling right distributing modes can not be selected according to the characteristics of each cluster call in the prior art. A calling terminal of the present invention can select a calling right distributing mode according to the characteristics of the conversation before initiating the cluster call, and the selected calling right distributing mode is sent to a cluster communication server. The cluster communication server can judge whether the call terminal can select the calling right distributing mode or not and can determine the calling right distributing manner for the conversation according to judgment results, so that a conversation initiating terminal can flexibly select the calling right distributing manner according to the characteristics of the conversation.
Description
Technical field
The present invention relates to trunking communicating technology, relate in particular to a kind of method and trunked communication system of in trunking communication, determining voice right distributing mode.
Background technology
Digital clustering communication system is meant one group of wireless channel of multiple users share, and dynamically uses the dedicated mobile communications subsystem of these channels, and it integrates functions such as command scheduling, phone, data, note, multi-media image.Compare with common public mobile communication system, digital clustering communication system has a series of specific functions, particularly its unique feature and complexity is arranged at aspects such as scheduling and network configuration and security controls, as fast dispatch group calling, broadcasting, clean culture, toll breakdown, intrusion, abbreviated addressing, Priority Call, hysteresis enter, environment is intercepted, control transfer, dynamically reorganization, retransmit or the like automatically, wherein many non-common public mobile communication systems of specific function have, it inserts response fast and only needs the hundreds of millisecond, and cellular mobile communication needs the several seconds.In some economic flourishing countries, digital clustering communication system has very in departments such as the railway that commander, scheduling feature are had relatively high expectations, traffic, civil aviaton, public security to be used widely.
A session can a plurality of people participate in trunked communication system, and each has only a user can control speaking right constantly.Behind call setup, terminal must first to file conversation power and could talk behind the speaking right obtaining, the voice right distributing mode in the prior art in the trunked communication system mainly contains following two kinds: a kind of is First come first served, does not support the voice right distributing mode that right of speech is seized; Another kind is to give priority of each terminal in the group in advance, carries out the voice right distributing mode that right of speech is seized according to the height of terminal PRI in the group, respectively these two kinds of voice right distributing modes is illustrated below:
See also Fig. 1, this figure is that the voice right distributing mode of colony communication server employing First come first served is the schematic diagram of terminal distribution right of speech, and its main process is:
Step S10, after terminal (terminal A, terminal B and terminal C) all adds in the session, terminal A wish the speech, send right of speech request message (Floor Request) to colony communication server;
Step S11, colony communication server receive that inspection current right of speech in right of speech request message (Floor Request) back is for idle, with right of speech granting terminal A, colony communication server sends right of speech grant message (FloorGrant) and gives terminal A, and indicating terminal A can talk;
Step S12, colony communication server take message (Floor Taken) to other-end (terminal B and terminal C) the transmission right of speech of current all adding sessions;
Step S13, terminal B wish speech, send right of speech request message (FloorRequest) to colony communication server;
The current right of speech of inspection was occupied by terminal A after step S14, colony communication server were received right of speech request message (Floor Request), sent right of speech refuse information (Floor Deny) to terminal B, to the failure of terminal B indication the right to apply for words.
See also Fig. 2, to be colony communication server carry out the schematic diagram of the voice right distributing mode that right of speech seizes according to User Priority in the group to this figure, and its main process is:
Step S20, terminal (terminal A, terminal B and terminal C) all add in the session, and current terminal B holds right of speech, and terminal A wishes speech, send right of speech request message (Floor Request) to colony communication server;
Step S21, colony communication server check that current right of speech distributed to terminal B, if the priority of terminal A is higher than the priority of terminal B, then the colony communication server decision is distributed to terminal A with right of speech, sends right of speech grant message (Floor Grant) to terminal A;
Step S22, colony communication server send right of speech to terminal B simultaneously and recall message (Floor Revoke), and indicating terminal B right of speech is withdrawn;
Step S23, colony communication server take message (Floor Taken) to other-end (terminal B and terminal C) the transmission right of speech of current all adding sessions;
Step S24, terminal C wish speech, send right of speech request message (FloorRequest) to colony communication server;
The current right of speech of inspection was occupied by terminal A after step S25, colony communication server received this message, and the priority of terminal C is lower than the priority of terminal A, then colony communication server sends right of speech failed message (Floor Deny) to terminal C, the failure of indicating terminal C application right of speech.
Mainly comprise three kinds of individual calling, group calling and temporary group callings in the type of trunked communication system trunked call, wherein individual calling is the individual call between two terminals in the group, and other members in the group can't hear conversation; Group calling is the calling that carry out with half-duplex mode predefined group member inside, and when promptly a people talked, other people answered, and has only the member in the group could add conversation; Temporary group calling is meant the calling of carrying out between the inner member of the group of interim foundation.
In the prior art, determining with the type of trunked call of the voice right distributing mode of trunked communication system is closely related, and it determines that principle is as follows:
Individual calling and temporary group calling are taked First come first served, do not support the voice right distributing mode that right of speech is seized;
The voice right distributing mode seized according to the right of speech of User Priority in the group is taked in group calling, sets when the priority of terminal use in group defines group attribute before session begins.
Be the detailed process of determining voice right distributing mode in the example explanation prior art below with the individual calling, see also Fig. 3, this figure is the flow chart that colony communication server was determined voice right distributing mode when the terminal use initiated individual calling in the prior art, and its main process is:
Step S30, terminal all are registered in the group, wherein terminal A wishes to initiate individual calling, send call setup request message (Call Setup Request) to colony communication server, having carried this type of call in the message is individual calling and the identification information of calling out invitation object terminal B;
Step S31, colony communication server learn that the type of call that needs to set up is an individual calling after receiving call setup request message (Call Setup Request), then voice right distributing mode are defined as First come first served, do not support the voice right distributing mode that right of speech is seized;
Step S32, colony communication server send call setup response message (Call Setup Response) to terminal A after successfully terminal A being added session, and this moment, colony communication server was not notified terminal A the voice right distributing mode of current selection;
Step S33, colony communication server invite terminal B to add session;
Step S34, terminal A wish speech, send right of speech request message (FloorRequest) to colony communication server;
Step S35, colony communication server adopt the voice right distributing mode of First come first served, so because current right of speech is idle right of speech is distributed to terminal A, send right of speech grant message (Floor Grant) and give terminal A;
Step S36, colony communication server send right of speech to terminal B simultaneously and take message (Floor Taken);
Step S37, in terminal A speech process, terminal B sends right of speech request message (Floor Request) to colony communication server;
Step S38, since colony communication server individual calling is adopted First come first served, do not support the voice right distributing mode that right of speech is seized, and current right of speech is taken by terminal A, and then colony communication server sends right of speech refuse information (Floor Deny) to terminal B, the failure of notice terminal B the right to apply for words.
By above-mentioned prior art as can be known, the voice right distributing mode that is adopted in the current cluster communication system and the type of trunked call are closely related, colony communication server can't be selected voice right distributing mode according to the characteristics of each session, and carry out in the process in session, colony communication server can't change voice right distributing mode according to the change of session situation; Be that session is determined in the process of voice right distributing mode at colony communication server at present, participate in the terminal of session and do not know what current voice right distributing mode is, therefore terminal will be more unordered and invalid when carrying out the right to apply for words, causes waste of network resources easily.
Summary of the invention
The invention provides a kind of method and trunked communication system of definite voice right distributing mode, in order to solve the problem that to select voice right distributing mode in the prior art according to the characteristics of each cluster conversation.
The inventive method comprises:
A kind of method of definite voice right distributing mode comprises step:
A, calling terminal are initiated trunked call, and the voice right distributing mode of self selecting is sent to colony communication server;
B, colony communication server judge that can described calling terminal select voice right distributing mode, are that this is called out and determines voice right distributing mode according to judged result.
Comprise also in the described steps A that calling terminal when initiating trunked call, sends to the identification information of terminal called the step of colony communication server;
Also comprise step behind the described step B:
C, colony communication server send to calling terminal with described definite voice right distributing mode, and according to the identification information of described terminal called to the terminal called invitation that makes a call, send described definite voice right distributing mode to the terminal called of accepting the invitation, the session participation terminal carries out the cluster session according to described definite voice right distributing mode.
Described detailed process for the definite voice right distributing mode of this calling is:
Can colony communication server select voice right distributing mode according to the user property of calling terminal or the type of call judgement calling terminal of this session at least, if can select, then the voice right distributing mode with this calling is defined as the voice right distributing mode that calling terminal is selected, otherwise, call out definite voice right distributing mode for this according to predetermined policy.
Described predetermined policy is the type of call of session and the corresponding relation of voice right distributing mode.
Described voice right distributing mode comprises:
First come first served is not supported the voice right distributing mode that right of speech is seized;
Just seize the voice right distributing mode of right of speech according to priority; And
By the voice right distributing mode that adds conversation order wheel flow distribution right of speech.
Also comprise step behind the described step C:
When the session participation terminal wished to change current voice right distributing mode, the voice right distributing mode of initiating to carry new voice right distributing mode to colony communication server changed request;
If colony communication server is supported described new voice right distributing mode and is initiated to change the terminal of asking and have the right to change voice right distributing mode, then colony communication server is changed into described new voice right distributing mode with current voice right distributing mode, and described new voice right distributing mode is sent to other-end in the session.
If colony communication server is not supported described new voice right distributing mode and/or is initiated to change the terminal of asking and have no right to change voice right distributing mode, then continues to adopt current voice right distributing mode.
A kind of trunked communication system, comprise colony communication server, the calling terminal and at least one terminal called that are connected with colony communication server, described calling terminal is used to make a call, and the voice right distributing mode of self selecting is sent to colony communication server;
Comprise in the described colony communication server:
Judge module is used to judge that can described calling terminal select voice right distributing mode;
The voice right distributing mode determination module is connected with described judge module, and the judged result that is used for according to judge module is that voice right distributing mode is determined in session.
Also comprise in the described colony communication server:
The voice right distributing mode sending module is connected with the voice right distributing mode determination module, the terminal called that the voice right distributing mode that is used for determining sends to calling terminal and accepts the invitation.
Described voice right distributing mode comprises:
First come first served is not supported the voice right distributing mode that right of speech is seized;
Just seize the voice right distributing mode of right of speech according to priority; And
By the voice right distributing mode that adds conversation order wheel flow distribution right of speech.
Beneficial effect of the present invention is as follows:
Adopt technical scheme of the present invention, calling terminal can be selected voice right distributing mode according to the characteristics of this session before initiating trunked call, and selected voice right distributing mode sent to colony communication server, judge that by colony communication server can described calling terminal select voice right distributing mode, and determine voice right distributing mode for this session according to judged result, make session initiate terminal and can select voice right distributing mode flexibly according to the characteristics of this session.
Further, colony communication server can send to the voice right distributing mode of determining for this session the terminal that participates in session among the present invention, make the session participation terminal can in conversation procedure, select to initiate suitable opportunity the right of speech request, thereby help reducing the quantity that terminal is initiated invalid right of speech request message, saved Internet resources.
Further, the present invention also allows terminal to change voice right distributing mode in conversation procedure, makes the new voice right distributing mode of selection that the session participation terminal can be convenient, flexible.
Description of drawings
Fig. 1 is the schematic diagram of terminal distribution right of speech for colony communication server adopts the voice right distributing mode of First come first served;
Fig. 2 carries out the schematic diagram of the voice right distributing mode that right of speech seizes according to User Priority in the group for colony communication server;
Colony communication server was determined the flow chart of voice right distributing mode when Fig. 3 initiated individual calling for terminal use in the prior art;
Fig. 4 determines the flow chart of the method for voice right distributing mode for the present invention;
Fig. 5 changes the flow chart of the method for voice right distributing mode for the present invention;
Fig. 6 is the structured flowchart of trunked communication system of the present invention;
Fig. 7 is the flow chart of calling right distributing method of the present invention.
Embodiment
For solving the problem that to select voice right distributing mode in the prior art according to the characteristics of each cluster conversation, the present invention determines that the method for voice right distributing mode and trunked communication system allow calling terminal characteristics according to this session before initiating trunked call to select voice right distributing mode, and selected voice right distributing mode sent to colony communication server, judge that by colony communication server can described calling terminal select voice right distributing mode, and determine voice right distributing mode for this session according to judged result.
Below in conjunction with each accompanying drawing concrete performance of the present invention is explained in detail.
See also Fig. 4, this figure is the flow chart that the present invention determines the method for voice right distributing mode, and its main implementation procedure is:
Step S40, prepare to participate in call out terminal (terminal A, terminal B, terminal C ..., terminal N) on colony communication server, finished registration, register flow path adopts the register flow path of prior art, repeats no more.
Step S41, calling terminal (terminal A) are initiated trunked call, send call setup request message (Call Setup Request) to colony communication server, carry calling terminal (terminal A) in the request according to the type of call of the selected voice right distributing mode of the characteristics of this session, this session and the identification information of terminal called (terminal B and terminal C).
The voice right distributing mode that can supply calling terminal (terminal A) to select mainly comprises following three kinds: first kind is First come first served, does not support the voice right distributing mode that right of speech is seized; Second kind is the voice right distributing mode of just seizing right of speech according to priority; The third is by the voice right distributing mode that adds conversation order wheel flow distribution right of speech.Wherein first kind and second kind of voice right distributing mode are existing voice right distributing mode in the prior art, and the third voice right distributing mode is a kind of voice right distributing mode that the present invention proposes, and below it is specifically described:
Is terminal wheel flow distribution right of speech by colony communication server according to the sequencing that terminal adds session by the voice right distributing mode that adds conversation order wheel flow distribution right of speech, after terminal adds session, need not to initiate the right of speech request and apply for right of speech, wait for that colony communication server distributes right of speech to get final product, thereby effectively reduced network traffics.In addition after terminal obtains right of speech, colony communication server can be held current right of speech the identification information of terminal and identification information that next right of speech is held terminal and send to other-end in the session, make the session participation terminal can be good at controlling speech opportunity, speech is prepared.
Below to selecting voice right distributing mode to be illustrated according to the session characteristics:
If the session that calling terminal (terminal A) is initiated is participation and speech that the council of an equality needs each terminal, then can select to hold the voice right distributing mode of right of speech in turn by adding conversation order; If the session that calling terminal (terminal A) is initiated is the meeting of a needs decision-making, then can select just to seize the voice right distributing mode of right of speech according to priority.
After step S42, colony communication server are received the setup requests of calling terminal (terminal A), judge whether calling terminal (terminal A) can select voice right distributing mode, if can select, then the voice right distributing mode with this calling is defined as the voice right distributing mode that calling terminal is selected, otherwise, call out the voice right distributing mode of determining for this according to predetermined policy.
Colony communication server can judge whether calling terminal can select voice right distributing mode according to the user property of calling terminal, for example, in the registration step of step S40, it is set to select the terminal of voice right distributing mode to colony communication server in the user property of part registration terminal, has only the terminal that can select voice right distributing mode can select voice right distributing mode when making a call;
Colony communication server also can judge whether calling terminal can select voice right distributing mode according to the type of call of this session, and for example, colony communication server only allows calling terminal can select voice right distributing mode when initiating group calling.
Be provided with the type of call of session and the corresponding relation of voice right distributing mode in the described predetermined policy, for example, individual calling can be set take First come first served, do not support the voice right distributing mode that right of speech is seized; Temporary group calling is taked by the voice right distributing mode that adds conversation order wheel flow distribution right of speech; The voice right distributing mode seized according to the right of speech of User Priority in the group is taked in group calling.
Step S43, colony communication server send call setup response message (Call Setup Response) to calling terminal (terminal A), carry in this message among the step S42 and call out the voice right distributing mode of determining for this.
The identification information of the terminal called (terminal B and terminal C) that carries in the setup requests that step S44, colony communication server send in step S41 according to calling terminal (terminal A) (Call Setup Request), to terminal called (terminal B and the terminal C) invitation that makes a call, invite terminal called (terminal B and terminal C) to add session.
Step S45, the terminal called (terminal B and terminal C) of accepting the invitation send call setup request message (Call Setup Request) to colony communication server.
After step S46, colony communication server are received the call setup request message of terminal called (terminal B and terminal C), send call setup response message (CallSetup Response) to terminal called (terminal B and terminal C) respectively, notice terminal called (terminal B and terminal C) adds it in session, carries the voice right distributing mode that colony communication server is determined for this session in this call setup response message.Calling terminal (terminal A) and the terminal called (terminal B and terminal C) of accepting the invitation carry out the cluster session according to described definite voice right distributing mode.
Because calling terminal (terminal A) and terminal called (terminal B and terminal C) are known the voice right distributing mode that this session is adopted, therefore calling terminal (terminal A) and terminal called (terminal B and terminal C) can select to initiate suitable opportunity the right of speech request in conversation procedure, thereby help reducing the quantity that terminal is initiated invalid right of speech request message, saved Internet resources.
Such as, what terminal was known this session employing is First come first served, does not support the voice right distributing mode that right of speech is seized, if this terminal is wished speech, then can initiate the power of robbing immediately after receiving the right of speech idle message; What known that this session adopts such as terminal again is the voice right distributing mode of just seizing right of speech according to priority, the current priority of holding the terminal of right of speech is lower than oneself if this terminal wishes to make a speech, then this terminal can be initiated the right of speech request message immediately, if and the current priority of holding the terminal of right of speech is higher than oneself, then this terminal can be waited for the power request of just giving orders or instructions when right of speech is idle, thereby help reducing the quantity that terminal is initiated invalid right of speech request message, saved Internet resources.
The present invention selects the voice right distributing mode when the initiation session except allowing terminal, also allow terminal in conversation procedure, to change voice right distributing mode, the present invention requires to have only the authorization terminal voice right distributing mode of just having the right to change, and described authorization terminal is selected when the endpoint registration by colony communication server.See also Fig. 5, this figure is the flow chart that the present invention changes the method for voice right distributing mode, and its implementation procedure is:
When step S50, session participation terminal wished to change current voice right distributing mode, the voice right distributing mode of initiating to carry new voice right distributing mode to colony communication server changed request;
Step S51, colony communication server are judged its voice right distributing mode of whether having the right to change by the user property of checking this terminal, and whether colony communication server support new voice right distributing mode, if, execution in step S52, otherwise, execution in step S53.
Step S52, colony communication server agree to change voice right distributing mode, return voice right distributing mode to the terminal of sending voice right distributing mode change request and change response message, notify this terminal speak right method of salary distribution to change successfully, and new voice right distributing mode is sent to other-end in the session.
Step S53, colony communication server refusal change voice right distributing mode, return voice right distributing mode to the terminal of sending voice right distributing mode change request and change response message, the notice terminal speak right method of salary distribution changes failure, and this session continues to adopt current voice right distributing mode.
Correspondingly, the present invention also provides a kind of trunked communication system, sees also Fig. 6, this figure is the structured flowchart of trunked communication system of the present invention, this system mainly comprises colony communication server, the calling terminal and at least one terminal called that are connected with colony communication server, wherein:
Calling terminal is used to make a call, and the voice right distributing mode of self selecting is sent to colony communication server;
Colony communication server comprises:
Judge module is used to judge that can described calling terminal select voice right distributing mode;
The voice right distributing mode determination module is connected with described judge module, and the judged result that is used for according to judge module is that voice right distributing mode is determined in session.
The voice right distributing mode sending module is connected with the voice right distributing mode determination module, the terminal called that the voice right distributing mode that is used for determining sends to calling terminal and accepts the invitation.
Similarly, the selectable voice right distributing mode of calling terminal mainly comprises in native system: First come first served, do not support the voice right distributing mode that right of speech is seized; Just seize the voice right distributing mode of right of speech according to priority; And by the voice right distributing mode that adds conversation order wheel flow distribution right of speech.
Further, the present invention also provides a kind of calling right distributing method, sees also Fig. 7, and this figure is the flow chart of calling right distributing method of the present invention, and its main process is:
Step S70, colony communication server add the cluster session according to terminal sequencing is session participation terminal wheel flow distribution right of speech;
After step S71, session participation terminal obtain right of speech, carry out the cluster session with other session participation terminals, the while colony communication server sends current right of speech to other session participation terminals and holds the identification information of terminal and the identification information that next right of speech is held terminal.
This is terminal wheel flow distribution right of speech by colony communication server according to the sequencing that terminal adds session by the voice right distributing mode that adds conversation order wheel flow distribution right of speech, after terminal adds session, need not to initiate the right of speech request and apply for right of speech, wait for that colony communication server distributes right of speech to get final product, thereby shortened the time that terminal is obtained right of speech, effectively reduced network traffics.In addition after terminal obtains right of speech, colony communication server can be held current right of speech the identification information of terminal and identification information that next right of speech is held terminal and send to other-end in the session with the information form, make the session participation terminal can learn in advance which terminal colony communication server will distribute to right of speech, can control opportunity the speech of self according to the information that colony communication server sends, and can before holding the right of speech prerequisite, prepare speech.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1, a kind of method of definite voice right distributing mode is characterized in that, comprises step:
A, calling terminal are initiated trunked call, and the voice right distributing mode of self selecting is sent to colony communication server;
B, colony communication server judge that can described calling terminal select voice right distributing mode, are that this is called out and determines voice right distributing mode according to judged result.
2, the method for claim 1 is characterized in that,
Comprise also in the described steps A that calling terminal when initiating trunked call, sends to the identification information of terminal called the step of colony communication server;
Also comprise step behind the described step B:
C, colony communication server send to calling terminal with described definite voice right distributing mode, and according to the identification information of described terminal called to the terminal called invitation that makes a call, send described definite voice right distributing mode to the terminal called of accepting the invitation, the session participation terminal carries out the cluster session according to described definite voice right distributing mode.
3, the method for claim 1 is characterized in that, described detailed process for the definite voice right distributing mode of this calling is:
Can colony communication server select voice right distributing mode according to the user property of calling terminal or the type of call judgement calling terminal of this session at least, if can select, then the voice right distributing mode with this calling is defined as the voice right distributing mode that calling terminal is selected, otherwise, call out definite voice right distributing mode for this according to predetermined policy.
4, method as claimed in claim 3 is characterized in that, described predetermined policy is the type of call of session and the corresponding relation of voice right distributing mode.
5, the method for claim 1 is characterized in that, described voice right distributing mode comprises:
First come first served is not supported the voice right distributing mode that right of speech is seized;
Just seize the voice right distributing mode of right of speech according to priority; And
By the voice right distributing mode that adds conversation order wheel flow distribution right of speech.
6, method as claimed in claim 2 is characterized in that, also comprises step behind the described step C:
When the session participation terminal wished to change current voice right distributing mode, the voice right distributing mode of initiating to carry new voice right distributing mode to colony communication server changed request;
If colony communication server is supported described new voice right distributing mode and is initiated to change the terminal of asking and have the right to change voice right distributing mode, then colony communication server is changed into described new voice right distributing mode with current voice right distributing mode, and described new voice right distributing mode is sent to other-end in the session.
7, method as claimed in claim 6 is characterized in that, if colony communication server is not supported described new voice right distributing mode and/or initiate to change the terminal of asking and have no right to change voice right distributing mode that then current voice right distributing mode is adopted in continuation.
8, a kind of trunked communication system comprises colony communication server, and the calling terminal and at least one terminal called that are connected with colony communication server is characterized in that,
Described calling terminal is used to make a call, and the voice right distributing mode of self selecting is sent to colony communication server;
Comprise in the described colony communication server:
Judge module is used to judge that can described calling terminal select voice right distributing mode;
The voice right distributing mode determination module is connected with described judge module, and the judged result that is used for according to judge module is that voice right distributing mode is determined in session.
9, system as claimed in claim 8 is characterized in that, also comprises in the described colony communication server:
The voice right distributing mode sending module is connected with the voice right distributing mode determination module, the terminal called that the voice right distributing mode that is used for determining sends to calling terminal and accepts the invitation.
10, system as claimed in claim 8 is characterized in that, described voice right distributing mode comprises:
First come first served is not supported the voice right distributing mode that right of speech is seized;
Just seize the voice right distributing mode of right of speech according to priority; And
By the voice right distributing mode that adds conversation order wheel flow distribution right of speech.
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| CN104168542B (en) * | 2013-05-16 | 2019-03-12 | 中兴通讯股份有限公司 | The method, apparatus and system of right of speech management in a kind of group system |
| US9479576B2 (en) * | 2013-06-03 | 2016-10-25 | Adobe Systems Incorporated | Image session ranking |
| CN106211095A (en) * | 2015-05-05 | 2016-12-07 | 北京信威通信技术股份有限公司 | The method of cluster caller prompting and termination |
| CN109698848B (en) * | 2017-10-20 | 2021-06-18 | 普天信息技术有限公司 | Session pre-establishment method and device |
| CN109005516A (en) * | 2018-08-01 | 2018-12-14 | 北京中兴高达通信技术有限公司 | The transmission method and device of Media Stream |
| CN113132922B (en) * | 2020-01-15 | 2022-09-09 | 成都鼎桥通信技术有限公司 | Method and device for playing group call prompt tone |
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| CN1663187A (en) * | 2002-06-20 | 2005-08-31 | 摩托罗拉公司 | Method and apparatus for speaker arbitration in a multi-participant communication session |
| US20050060501A1 (en) * | 2003-09-16 | 2005-03-17 | Denali Software, Inc. | Port independent data transaction interface for multi-port devices |
| US20050122923A1 (en) * | 2003-12-05 | 2005-06-09 | Nortel Networks Limited | Controlling a press-to-talk session using wireless signaling |
| CN1585522A (en) * | 2004-06-04 | 2005-02-23 | 中兴通讯股份有限公司 | Talking right dispatching method for digital cluster system |
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