CN101309506A - Call control method, mobile switching center and communication system - Google Patents
Call control method, mobile switching center and communication system Download PDFInfo
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- CN101309506A CN101309506A CNA200710106226XA CN200710106226A CN101309506A CN 101309506 A CN101309506 A CN 101309506A CN A200710106226X A CNA200710106226X A CN A200710106226XA CN 200710106226 A CN200710106226 A CN 200710106226A CN 101309506 A CN101309506 A CN 101309506A
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Abstract
The invention discloses a call control method, a mobile switching centre and a communication system thereof through a plurality of implement methods. The call control method comprises that when receiving a call request message from the voice group call service initiated by the terminal, the mobile switching centre judges weather the terminal which sends the call request message has a calling authority of the voice group call service or not and builds a group call channel for the terminal with the calling authority in the group calling region including the voice group call service. Through controlling the initiating authority of the group call service by using all the implement methods of the invention, the controlling of the group call service is convenient, and the the application management of the actual service is convenient, the radio resource can be well controlled, the service quality of the service provider can be improved, in addition, the use of trunking service is promoted to be more normative, and the defaults that the radio resource is used randomly, the application management is inconvenient and the radio resource is wasted in prior art can be solved effectively.
Description
Technical field
The present invention relates to the calling-control method of a kind of calling-control method, particularly a kind of voice group call service; The invention still further relates to a kind of mobile switching centre, particularly a kind of mobile switching centre of voice group call service being called out control; The present invention relates to a kind of communication system again, and particularly a kind of communication system that calling is controlled to voice group call service belongs to the communications field.
Background technology
Development along with mobile communication business, voice group call service (Voice Group Call Service, be called for short VGCS) also grow up gradually, VGCS is a kind of voice call service that realizes multi-to-multi, allow to have simultaneously a plurality of people's speeches, Jiang Hua maximum numbers can be set at certain number simultaneously, as 6; But hearer's quantity without limits.Voice group call service can be applied to different occasions such as railway communication, daily supervisory control system, security system, videoconference, has very big development prospect.
Existing voice group call service (referring to GSM/3GPP Mobile Application Part agreement), the terminal a certain group calling sign (Identification that only need contract, be called for short ID), the group-calling service that can initiate this group is divided into contracting terminal in the different voice group according to group calling ID.The course of work of existing VGCS is roughly: the terminal of signatory this business of user side is initiated group call request, 1 group-calling channel is set up in network side each sub-district in group call region, and at notification channel (Notification Channel, abbreviation NCH) goes up the group calling information that sends, signatory VGCS and the terminal that belongs to this voice group are adjusted on the group-calling channel automatically and are listened to after detecting group calling information on the notification channel.The terminal of any hope speech, (as: setting mostly is 6 people most and talks simultaneously as long as signatory this business and resource allow, now the number of speech is less than 6 people) situation under, initiate the call request message of this VGCS and can realize that all terminals in the group call region are sent group calling information to be conversed.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: existing voice group call service has only group calling ID, as long as signatory a certain group calling ID just gives tacit consent to the contracted user and can initiate this group voice group call service.Because only the group calling ID to signatory VGCS judges when calling out, all satisfy the terminal of group calling ID all can initiate group calling information, therefore can cause Radio Resource to use arbitrarily, and give in the application management in the actual mechanical process and make troubles, even terminal does not send call request message or group calling information in a certain group-calling channel, network side also needs to inquire about or collect the information of each group-calling channel in the group call region, causes waste of radio resources.
Summary of the invention
One aspect of the present invention provides a kind of calling-control method, makes the calling of VGCS business is controlled.
Another aspect of the present invention provides the mobile switching centre of VGCS being called out control, makes wireless network resource be effectively controlled, and avoids existing VGCS network to use random defective.
Of the present inventionly provide on the one hand a kind of communication system again, it has VGCS called out controls, and makes wireless network resource be effectively controlled, and convenient group-calling service is controlled and managed, and Radio Resource is effectively controlled.
In order to realize first aspect of the present invention, the calling-control method of some execution modes of the present invention comprises: when the VGCS call request message of terminal initiation is received by mobile switching centre, judge whether the terminal that sends call request message has the calling authority of VGCS, and in comprising the group call region of described VGCS, set up group-calling channel for having the terminal of calling out authority.
In above-mentioned calling-control method, described mobile switching centre carries out judges that whether the terminal that sends call request message has before the operation of calling authority of VGCS, judges also whether the terminal of initiating the VGCS call request message is command set or dispatching desk.
In order to realize second aspect of the present invention, the technical scheme of some embodiments of the present invention is as follows: a kind of mobile switching centre is provided, comprises switch, switch is provided with:
The group calling memory module is used to store group calling data such as group calling sign relevant with VGCS and calling authority sign;
Call Control Block is used to judge whether the terminal of initiating the VGCS call request message has calling authority and/or the group calling sign of described VGCS, and calls out authority and set up corresponding communication with the terminal of group calling sign and be connected for having;
Interface module is used for the execution result that VGCS call request message with terminal is sent to Call Control Block and sends Call Control Block.
In order to realize second aspect of the present invention, the technical scheme of other execution modes of the present invention is as follows: a kind of mobile switching centre is provided, comprises switch, also comprise:
The group calling memory module is used to store group calling data such as group calling sign relevant with VGCS and calling authority sign;
Call Control Block is used to judge whether the terminal of initiating the VGCS call request message has calling authority and/or the group calling sign of described VGCS, and calls out authority and set up corresponding communication with the terminal of group calling sign and be connected for having;
Interface module is connected with switch, is used for the execution result that VGCS call request message with terminal is sent to Call Control Block and sends Call Control Block.
In order to realize the 3rd aspect of the present invention, the technical scheme of some embodiments of the present invention is as follows: a kind of communication system is provided, comprises dispatching desk and mobile switching centre, wherein:
Dispatching desk is used for directly sending group calling information to user terminal by mobile switching centre;
Mobile switching centre, be used to judge the user terminal of initiation VGCS call request message and/or the calling authority whether dispatching desk has VGCS, and be that dispatching desk and/or the user terminal with calling authority are set up group-calling channel in comprising the group call region of described VGCS.
The calling authority that in the technique scheme of the present invention whether the terminal judges that sends the VGCS call request message is had VGCS, has calling privilege in limited time in terminal, just allow terminal to send group calling information, avoid any contracted user all can send the wireless network resource waste that group calling information causes, can control the initiation authority of group-calling service, conveniently group-calling service be controlled, make things convenient for the practical business application management, make Radio Resource be well controlled, promoted the service quality of operator simultaneously.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is calling-control method embodiment one flow chart of the present invention;
Fig. 2 is calling-control method embodiment two flow charts of the present invention;
Fig. 3 resolves schematic diagram for calling-control method embodiment three of the present invention;
Fig. 4 is the embodiment of mobile switching centre one schematic diagram of the present invention;
Fig. 5 is the embodiment of mobile switching centre two schematic diagrames of the present invention;
Fig. 6 is communication system embodiment one schematic diagram of the present invention;
Fig. 7 is communication system embodiment two schematic diagrames of the present invention.
Embodiment
Fig. 1 is calling-control method embodiment one flow chart of the present invention.As shown in Figure 1, present embodiment comprises:
Step 1: terminal is initiated the VGCS call request message;
Step 2: described call request message is received by mobile switching centre, and whether the terminal that judge to send call request message has the calling authority of VGCS, is execution in step 3 then, otherwise execution in step 4;
Step 3: allow the call request of terminal, and set up group-calling channel for having the terminal of calling out authority in comprising the group call region of this VGCS, the terminal with described calling authority utilizes the up channel of described group-calling channel to send group calling information;
Step 4: the VGCS call request of described terminal, the connection of not setting up described terminal are refused by mobile switching centre.
Call out authority by in VGCS, increasing, promptly allow to initiate the sign of group calling information, do not have calling privilege in limited time in terminal, the voice call request of refusal terminal, avoid any contracted user all can send the wireless network resource waste that group calling information causes, can control the authority of the transmission group calling information of VGCS, conveniently group-calling service is controlled, make things convenient for the practical business application management, make Radio Resource be well controlled.
Fig. 2 is calling-control method embodiment two flow charts of the present invention.As shown in Figure 2, the further refinement of situation that present embodiment connects to the terminal with calling authority, present embodiment comprises:
Step 1: terminal is initiated the VGCS call request message;
Step 1 ': judge whether the terminal of initiating the VGCS call request message is dispatching desk, is the voice group call service information that then directly sends dispatching desk, otherwise execution in step 2;
Step 2: whether terminal that judge to initiate the VGCS call request message has the calling authority of described VGCS, is execution in step 3 then, otherwise execution in step 4;
Step 3: allow the call request of terminal, under the situation that resource allows, send group calling information with the terminal of calling out authority; Specifically comprise:
Step 31: in comprising the group call region of described VGCS, set up group-calling channel, as: a group-calling channel is set up in each band of position of group call region;
Step 32: have the terminal of calling out authority and utilize the up channel of group-calling channel to send group calling information;
The descending reception group calling of the terminal utilization group-calling channel separately information of step 33:VGCS;
Step 4: mobile switching centre sends call request failure response message to described terminal, refuses the VGCS call request of described terminal.
Present embodiment sends call request failure response message can inform that terminal does not have the calling authority of this VGCS, thereby makes terminal know the call request failure; Can shown in Fig. 1 embodiment, directly not connect, but not return any response message to not having the terminal of calling out authority yet.In a word, do not have the terminal of calling out authority among Fig. 1 and Fig. 2 embodiment and can not realize that other terminal in the group call region is sent group calling information to be conversed, can only passively listen to the group calling information with calling authority terminal, this is different with the course of work of existing VGCS.
Those of ordinary skills should understand dispatching desk described in the present invention and also claim command set, be same implication, be the special terminal of a class, it is different with the general service user terminal, and command set or dispatching desk are represented the higher terminal that can directly send group calling information of rank.When the terminal of initiating the VGCS call request message is command set or dispatching desk, the data feedback channel that need not seize described group-calling channel sends group calling information, promptly obtain the right of speech, can directly send group calling information, but other terminal, as service-user etc., the data feedback channel that need seize group-calling channel sends group calling information.Can the maximum quantity of making a speech simultaneously among the VGCS be provided with as required (as be set to 7, representing to allow simultaneously at most in this group-calling service 7 has the terminal speech of calling out authority).
Fig. 3 does illustrating for the embodiment three of calling-control method of the present invention resolves schematic diagram to calling-control method below with reference to Fig. 3.
Fig. 3 is user side and network side in conjunction with the course of work that realizes VGCS:
1. service-user terminal/VGCS call request of portable terminal initiation (or 1 '. dispatching desk is initiated a VGCS call request) message;
2. the VGCS call request message is received by mobile switching centre, judges whether the terminal of initiating the VGCS call request message is dispatching desk, is then to carry out 5 '; Otherwise judge the group calling attribute of terminal, the authority if terminal does not make a call is not then set up the connection of terminal or is returned call request failure response message to terminal, end of calling, otherwise carry out 3;
3. mobile switching centre's dispatching desk corresponding with this VGCS connects;
4. 1 group-calling channel is set up in mobile switching centre each sub-district in the group call region that comprises these all user terminals of VGCS;
5. have the user terminal of calling out authority seize the data feedback channel of group-calling channel send group calling information (or 5 '. dispatching desk directly sends group calling information to mobile switching centre, does not need to seize with user terminal the data feedback channel of group call region);
All user terminals down going channel of sharing group-calling channel receive group calling information (or 6 '. dispatching desk directly obtains the group calling information that other terminal sends from mobile switching centre).
In the prior art, if signatory a certain VGCS, the terminal a certain group calling sign ID that only need contract gets final product, and present embodiment has increased the calling authority to VGCS and controls.In realizing process of the present invention, group calling ID can contract during terminal unit contractual VGCS, can also select the signatory authority of calling out, the professional authority that sends group calling information of control VGCS, conveniently the VGCS call request of terminal is controlled, during mobile switching centre's receiving terminal is initiated among the present invention VGCS subscription request information, deposit the data of terminal unit contractual VGCS in Group Call Register, comprising:
1. when the data of the described VGCS of terminal unit contractual include only the group calling sign, terminal and corresponding group calling thereof are identified the VGCS parameter that deposits in the Group Call Register;
2. the data of the described VGCS of terminal unit contractual comprise when group calling identifies and call out the authority sign, terminal and corresponding group calling thereof are identified, call out authority identify the VGCS parameter that deposits in the Group Call Register.
The inventor finds to increase the calling authority in VGCS can have following several mode:
1), adds in group calling sign ID (group ID) back of VGCS argument structure (in specifically can be B.1 FullyExpanded ASN.1Source of MAP-Protocol vgcsSubscriptionData structure) and to call out the authority sign referring to 2G ETSI TS 100 974 V7.5.0 standard agreements at the data message of attaching position register (HLR) storage terminal; Be specially:
vgcsSubscriptionData[12]IMPLICIT?SEQUENCE(SIZE(1..50))OF
SEQUENCE{
groupID OCTET?STRING(SIZE(3))，
Call out authority sign NULL OPTIONAL
}
2) will call out the privately owned expansion that authority sign deposits VGCS argument structure (specifically can referring to Expanded ASN.1Source of MAP-ProtocolvgcsSubscriptionData structure B.1Fully in the 2G ETSI TS 100 974V7.5.0 standard agreements) in; Be specially:
vgcsSubscriptionData?[12]?IMPLICIT?SEQUENCE(SIZE(1..50))OF
SEQUENCE{
groupID OCTET?STRING(SIZE(3))，
extensionContainer SEQUENCE {
privateExtensionList [0]IMPLICIT?SEQUENCE
(SIZE(1..10))OF
SEQUENCE?{
Call out authority sign NULL OPTIONAL
) OPTIONAL}OPTIONAL，
pcs-Extensions [1]IMPLICIT?SEQUENCE?{
...}OPTIONAL，
...}OPTIONAL，
...}OPTIONAL
Owing in VGCS, increased the calling authority, when sending call request message, terminal judges whether terminal has the calling authority, thereby limit whether sending VGCS group calling information, convenient business control to VGCS, can make different terminals select different services, obtain different authorities, promote the service quality of operator, and such scheme provides increases the multiple mode of calling out authority, can promote the use of group service to standardize more.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program comprises the steps: the VGCS call request message that receiving terminal is initiated when carrying out; Judge whether the terminal that sends the VGCS call request message has the calling authority of described VGCS.Described storage medium, as: ROM/RAM, magnetic disc, CD etc.
Fig. 4 is the embodiment of mobile switching centre one schematic diagram of the present invention.As shown in Figure 4, present embodiment mobile switching centre comprises switch, and switch is provided with:
Group calling memory module 43 is used to store group calling data such as group calling sign relevant with VGCS and calling authority sign;
Call Control Block 42: the group calling data that obtain terminal unit contractual VGCS from group calling memory module 43, judge calling authority and/or group calling sign that whether described VGCS is arranged in the terminal group-calling data of initiating the VGCS call request message, if have the authority of calling and group calling sign in the terminal group-calling data, then setting up corresponding communication for the VGCS call request of terminal connects, otherwise do not set up communicating to connect or sending VGCS call request failure response message of terminal, will judge that execution result sends to interface module 41 to terminal;
Interface module 41: the execution result that is used for the VGCS call request message of terminal is sent to Call Control Block 42 or transmission Call Control Block 42.
Fig. 5 is the embodiment of mobile switching centre two schematic diagrames of the present invention.As shown in Figure 5, present embodiment mobile switching centre comprises switch 6, group calling memory module 53, Call Control Block 52 and interface module 51, wherein: group calling memory module 53, store group calling data such as group calling sign relevant and calling authority with VGCS; Call Control Block 52, obtain the VGCS group calling data of terminal from group calling memory module 53, to some extent whether the calling authority and/or the group calling of predicate sound group-calling service identify in the terminal group-calling data of judgement initiation VGCS call request message, if have the authority of calling and group calling sign in the terminal group-calling data, then setting up corresponding communication for the VGCS call request of terminal connects, otherwise do not set up communicating to connect or sending VGCS call request failure response message of terminal, will judge that execution result sends to interface module 51 to terminal; Interface module 51 is connected with switch, is used for the execution result that VGCS call request message with terminal is sent to Call Control Block 52 and sends Call Control Block 52.
Fig. 4 sets up group calling memory module 43, Call Control Block 42 and interface module 41 on existing switch, realize the function described in the inventive method embodiment, forms a kind of new mobile switching centre; Fig. 5 embodiment is provided with group calling memory module 53, Call Control Block 52 and interface module 51 in addition outside existing switch, constituted new mobile switching centre jointly with switch, with difference and mobile switching centre of the prior art.
By Fig. 4 and as can be known embodiment illustrated in fig. 5, the group calling attribute data that the storage of group calling memory module is relevant with VGCS; The group calling memory module can be arranged at Group Call Register (Group Call Register, be called for short GCR) in, also can with VLR Visitor Location Register (Visit Location Register, be called for short VLR) or attaching position register (Home Location Register is called for short HLR) equally be embedded in the mobile switching centre.Described embodiment is corresponding with method among the present invention, and the group calling memory module is mainly stored following group calling data:
A) group calling sign: the difference in functionality group of sign VGCS user terminal.Be stored in group calling sign (Group ID) among the HLR simultaneously during service-user terminal unit contractual VGCS and the SIM card of terminal in, can set the quantity (as: signatory at most 50 VGCS group of each service-user terminal is set) of the signatory at most VGCS group of each service-user terminal as required;
B) call out the authority sign: whether the VGCS function group that identifies this VGCS user terminal correspondence has the authority of this VGCS business of initiation.If there is not this sign, this service-user can not send group calling information, can only passively listen to.
Fig. 6 is communication system embodiment one schematic diagram of the present invention.As shown in Figure 6, the present embodiment communication system comprises:
Mobile switching centre 8, be used to judge the user terminal of transmission VGCS call request message and/or the calling authority whether dispatching desk has VGCS, and be that dispatching desk and/or the user terminal with calling authority are set up group-calling channel in comprising the group call region of described VGCS.
When the group calling that relates to a plurality of mobile switching centres, can make (the Mobile Switch Center of one of them mobile switching centre, abbreviation MSC) management of responsible terminal VGCS call request, judge whether terminal has the calling authority, and setting up all connections and the distribution of voice, other one or more MSC is responsible for the distribution of the downlink voice of each sub-district of group call region.As Fig. 7 is communication system embodiment two schematic diagrames of the present invention, and mobile switching centre comprises among Fig. 7:
First mobile switching centre 81, be used to judge whether the terminal of initiating the VGCS call request message has calling authority and/or the group calling sign of VGCS, if terminal is dispatching desk or terminal is to have the user terminal of calling out authority and group calling sign, then set up the appointed area that is included in first mobile switching centre 81 for the VGCS call request of terminal, second mobile switching centre 82, the connection of second mobile switching centre 83 and dispatching desk 7, the VGCS group calling information of being responsible for having the terminal of calling out authority and/or dispatching desk is forwarded to the appointed area of first mobile switching centre 81, second mobile switching centre 82 or second mobile switching centre 83; Otherwise do not set up communicating to connect or sending VGCS call request failure response message of terminal to terminal;
Second mobile switching centre 82 and 83 is used to transmit the group calling information that sends from the user terminal with calling authority and/or the dispatching desk of 81 receptions of first mobile switching centre, and described group calling distribution of information is arrived each group call region of VGCS;
Also further refinement of first mobile switching centre 81 in the foregoing description specifically comprises:
The group calling memory module is used to store group calling data such as group calling sign relevant with VGCS and calling authority sign;
Call Control Block, obtain the VGCS group calling data of terminal from the group calling memory module, judge calling authority and/or group calling sign that whether described VGCS is arranged in the terminal group-calling data of initiating the VGCS call request message, if have the authority of calling and group calling sign in the terminal group-calling data, then set up communicating to connect of terminal, otherwise do not set up communicating to connect or sending VGCS call request failure response message of terminal, will judge that execution result sends to interface module to terminal;
Interface module is used for the execution result that VGCS call request message with terminal is sent to Call Control Block or sends Call Control Block.
The present invention can have multiple multi-form embodiment; Fig. 1-Fig. 7 illustrates technical scheme of the present invention; this does not also mean that the applied instantiation of the present invention can only be confined in the specific structure; those of ordinary skill in the art should understand; above the specific embodiments that is provided is some examples in the multiple its preferred usage; anyly in VGCS, increase to call out the authority sign, and utilize call out the execution mode that authority controls the VGCS of terminal all should be within technical solution of the present invention scope required for protection.
It should be noted that at last: above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (12)
1. a calling-control method is characterized in that, comprising:
When the voice group call service call request message of terminal initiation is received by mobile switching centre, judge whether the terminal that sends call request message has the calling authority of voice group call service, and in comprising the group call region of described voice group call service, set up group-calling channel for having the terminal of calling out authority.
2. calling-control method according to claim 1 is characterized in that,
Described mobile switching centre carries out judges that whether the terminal that sends call request message has before the operation of calling authority of voice group call service, judges also whether the terminal of initiating the voice group call service call request message is dispatching desk.
3. calling-control method according to claim 1 is characterized in that, described mobile switching centre receives before the voice group call service call request message of terminal initiation, also comprises:
When the voice group call service subscription request information of terminal initiation is received by mobile switching centre, judge the group calling sign whether voice group call service is arranged in the data of the described voice group call service of terminal unit contractual according to described subscription request message and call out the authority sign, and the calling authority sign that will have a terminal of calling out the authority sign deposits in after the group calling sign of voice group call service parameter in the Group Call Register or the privately owned expansion of voice group call service parameter.
4. calling-control method according to claim 3, it is characterized in that, when the voice group call service call request message of terminal initiation is received by described mobile switching centre, judge whether the terminal that sends call request message has the calling authority of voice group call service to be specially:
The voice group call service call request message of terminal is received by mobile switching centre, if comprise in the voice group call service parameter of the described terminal of Group Call Register storage in the mobile switching centre and call out the authority sign, then described terminal has the calling authority of described voice group call service, otherwise does not have the calling authority of described voice group call service.
5. calling-control method according to claim 1 is characterized in that, all terminals that belong to described voice group call service utilize the down channel reception of described group-calling channel to have the group calling information of the terminal transmission of calling out authority.
6. according to the described arbitrary calling-control method of claim 1-5, it is characterized in that the terminal of transmission call request message does not have the calling privilege of described voice group call service prescribes a time limit, mobile switching centre does not set up the connection of described terminal.
7. according to the described arbitrary calling-control method of claim 1-5, it is characterized in that the terminal of transmission call request message does not have the calling privilege of described voice group call service prescribes a time limit, mobile switching centre sends call request failure response message to described terminal.
8. a mobile switching centre comprises switch, it is characterized in that switch is provided with:
The group calling memory module is used to store group calling data such as group calling sign relevant with voice group call service and calling authority sign;
Whether to some extent Call Control Block is used to judge terminal the calling authority and/or the group calling sign of predicate sound group-calling service of initiating the voice group call service call request message, and calls out authority and set up corresponding communication with the terminal of group calling sign and be connected for having;
Interface module is used for the execution result that voice group call service call request message with terminal is sent to Call Control Block and sends Call Control Block.
9. a mobile switching centre comprises switch, it is characterized in that, also comprises:
The group calling memory module is used to store group calling data such as group calling sign relevant with voice group call service and calling authority sign;
Whether to some extent Call Control Block is used to judge terminal the calling authority and/or the group calling sign of predicate sound group-calling service of initiating the voice group call service call request message, and calls out authority and set up corresponding communication with the terminal of group calling sign and be connected for having;
Interface module is connected with switch, is used for the execution result that voice group call service call request message with terminal is sent to Call Control Block and sends Call Control Block.
10. a communication system comprises dispatching desk and mobile switching centre, wherein:
Dispatching desk is used for directly sending group calling information to the user terminal of voice group call service by mobile switching centre;
Mobile switching centre, be used to judge the user terminal of initiation voice group call service call request message and/or the calling authority whether dispatching desk has voice group call service, and be that dispatching desk and/or the user terminal with calling authority are set up group-calling channel in comprising the group call region of described voice group call service.
11., it is characterized in that described mobile switching centre comprises first mobile switching centre and at least one second mobile switching centre according to right 10 described communication systems:
First mobile switching centre, be used to set up the connection of the appointed area, second mobile switching centre and the dispatching desk that are included in first mobile switching centre, the distribution of the call manager of voice group call service and group calling information, foundation has the user terminal of authority of calling and being connected of dispatching desk;
Second mobile switching centre is used for arriving each group call region of voice group call service with having the user terminal of calling authority and/or the group calling distribution of information of dispatching desk transmission.
12., it is characterized in that described first mobile switching centre comprises according to claim 10 or 11 described communication systems:
The group calling memory module is used to store group calling data such as group calling sign relevant with voice group call service and calling authority sign;
Whether to some extent Call Control Block is used to judge terminal the calling authority and/or the group calling sign of predicate sound group-calling service of initiating the voice group call service call request message, and calls out authority and set up corresponding communication with the terminal of group calling sign and be connected for having;
Interface module is used for the execution result that voice group call service call request message with terminal is sent to Call Control Block and sends Call Control Block.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012037808A1 (en) * | 2010-09-21 | 2012-03-29 | 中兴通讯股份有限公司 | Method and base transceiver station for cell listener detection |
| CN102413492A (en) * | 2010-09-21 | 2012-04-11 | 中兴通讯股份有限公司 | Method for detecting listener of cell and base transceiver station (BTS) |
| CN101998288A (en) * | 2010-11-04 | 2011-03-30 | 哈尔滨工业大学 | TD-LTE-based wideband multimedia cluster system and method for implementing hierarchical dispatching of multiple dispatcher stations of same |
| CN101998288B (en) * | 2010-11-04 | 2013-03-13 | 哈尔滨工业大学 | TD-LTE-based wideband multimedia cluster system and method for implementing hierarchical dispatching of multiple dispatcher stations of same |
| CN103491508A (en) * | 2013-09-05 | 2014-01-01 | 金鹏电子信息机器有限公司 | Voice communication method based on Zigbee network |
| CN103491508B (en) * | 2013-09-05 | 2016-03-30 | 金鹏电子信息机器有限公司 | Based on the voice communication method of Zigbee network |
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|---|---|
| CN101309506B (en) | 2011-12-07 |
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