CN101141706A - Cluster communication system of cluster terminal active exit group calling - Google Patents
Cluster communication system of cluster terminal active exit group calling Download PDFInfo
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- CN101141706A CN101141706A CNA2006101271307A CN200610127130A CN101141706A CN 101141706 A CN101141706 A CN 101141706A CN A2006101271307 A CNA2006101271307 A CN A2006101271307A CN 200610127130 A CN200610127130 A CN 200610127130A CN 101141706 A CN101141706 A CN 101141706A
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Abstract
The present invention discloses a cluster communication system used for a cluster terminal to initiatively exit a group calling. A cluster scheduling subsystem is used for establishing the group calling, generates a calling serial number for the group calling, and distributes the calling serial number to all the called cluster terminals of the group calling, and also used for distributing a release order message to the cluster terminal after the cluster terminal which is authorized to initiatively exit the group calling sends a request message of initiatively exiting the group calling. The cluster terminal is used for sending the request message of initiatively exiting the group calling to the cluster scheduling subsystem, and used for responding the release order message, modifies the zone bit of the calling serial number, and returns a release reply message to the cluster scheduling system, and the cluster scheduling system allows the cluster terminal to initiatively exit the group calling according to the reply message. Through adopting the group calling serial number and the zone bit, the initiative exit of a group calling subscriber from the calling after the group calling is established is realized in a cluster communication system, the group calling subscriber is not called in again, and can initiatively join the calling.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to trunking communicating technology and group calling technology.
Background technology
Development along with the digital cluster communication technology, digital cluster communication has become fresh combatants in the mobile communication technology, the trunked communication system of the main flow on the trunking communication market comprises TERTA, iDEN and GoTa etc. now, trunking communicating technology has covered GSM (the Global System for Mobile communication of mobile communication technology, global system for mobile communications) and two kinds of standards of CDMA (Code Division Multiple Access, code division multiple access).Along with the development and the application of 3G technology, trunking communicating technology will and extend to the 3G technology expansion.
The basic network rack of digital clustering communication system comprises colony terminal 101, base station sub-system BSS 102, switching subsystem 103 and trunking dispatching subsystem 104 referring to shown in Figure 1.
Trunking dispatching subsystem 104 is made up of dispatching control center DCC (Dispatching ControlCenter) 1041, dispatching home location register DHR (Dispatching Home Register) 1042, dispatching desk server DAS (Dispatching Agent Server) 1044, dispatching desk client DAC (Disaptching Agent Client) 1045 and cluster user database 1043.Scheduler subsystem 104 is mainly finished colony dispatching service.
Dispatching control center (DCC) the 1041st, the master control point of trunked call is finished the processing of colony dispatching calling, comprises the discriminating cluster user, sets up various trunked calls, judges the request of cluster conversation power etc.Dispatching control center 1041 also receives the cluster speech data from reverse link, is distributed to corresponding forward link again according to the character of calling out.
Dispatching home location register (DHR) 1042 is carried out the cluster user database management operation, finishes charging, authentication and authorization function in the digital cluster system.When cluster carried out paging by unified group id, authentication and paging function were independent.
Dispatching desk server (DAS) 1044 is handled the service request that the dispatching desk client is sent.
Dispatching desk client (DAC) 1045 comprises dispatching desk and turnkey console, and dispatching desk is carried out bookkeepings such as scheduling operation, user right by the dispatcher.
The application of trunked communication system no longer is confined to the dispatching patcher of specialties such as public security, industrial and mineral, railway, has been penetrated into the every aspect of popular life now, and between the friend, the trunking communication demand between kinsfolk and the lovers is also growing.
Along with the constantly abundant and development of the kind of group service, the basic service group calling under the cluster is also in continuous development.Group calling is meant the half-duplex call between a calling party and a plurality of callee (being one-to-many).Group calling can be initiated by authorized user, and the user who possesses group calling initiation authority dials called group number, pins the PTT key and initiates group calling.A terminal use may will belong to a plurality of groups, and the number of users of group is also in continuous increase.Customization for user right can be specific to different aspects such as system, group, group and users.For certain terminal use, in most of the cases it enjoys the authority that selectivity adds certain calling, also enjoys the right that does not insert any calling under a stable condition.The called off-hook that need not in trunked communication system, this just requires the user that the ability that initiatively withdraws from trunked call is arranged for the demand that satisfies the different application scene.
Along with improving constantly of the market demand, the capacity requirement of group is more and more higher, and the rate request that continues is more and more faster, to jumbo group calling, carries out paging by group id in the trunked communication system, and colony terminal adds in the group calling by the group id coupling of carrying.This paging mode, have continue fast, group can be with the big advantage of user capacity; But carrying out paging by group id has also brought system can't filter the user's who initiatively withdraws from problem when the paging.
Therefore, need a kind of technical scheme, solve the problem that in the group calling of trunking communication, needs to realize initiatively withdrawing from group calling.
Summary of the invention
Main purpose of the present invention is to provide a kind of trunked communication system that is used for cluster terminal to exit group calling actively, is used to realize that the group membership initiatively withdraws from group calling.
To achieve these goals, the invention provides a kind of trunked communication system that is used for cluster terminal to exit group calling actively.Trunked communication system comprises: trunking dispatching subsystem, be used to set up group calling, for group calling generates calling sequence number, and calling sequence number is issued to the called colony terminal of all group callings, and be used for after the colony terminal of having the right initiatively to withdraw from group calling sends the request message that initiatively withdraws from group calling, issuing release order message to colony terminal; And colony terminal, be used for sending the request message that initiatively withdraws from group calling to trunking dispatching subsystem, and be used in response to release order message, revise the flag bit of calling sequence number, and returning the release response message to trunking dispatching subsystem, trunking dispatching subsystem initiatively withdraws from colony terminal according to response message from group calling.
Trunking dispatching subsystem can also be used for after trunking dispatching subsystem sends the request message that initiatively withdraws from group calling colony terminal being carried out authentication at colony terminal, if colony terminal haves no right initiatively to withdraw from group calling, then trunking dispatching subsystem issues the release refuse information to colony terminal.
Colony terminal can also be used for after receiving new group calling paging the sequence number of new group calling and the sequence number of being stored being compared, and adjudicates whether respond new group calling paging according to the comparative result of flag bit.If new group calling is not the group calling of initiatively withdrawing from, then respond new group calling paging; If new group calling is the group calling of initiatively withdrawing from, then compare call priority:, then respond new group calling paging if the call priority of new group calling is higher than the call priority of the group calling before initiatively withdrawing from; If the call priority of new group calling is not higher than the call priority of the group calling before initiatively withdrawing from, then do not respond new group calling paging.
Flag bit can comprise indicates the flag bit that initiatively withdraws from but can also initiatively add.
If colony terminal desires initiatively to add once more group calling, then trunking dispatching subsystem adds group calling by authentication again with colony terminal.
Trunking dispatching subsystem can also be used for when setting up group calling authentication being carried out in group calling, if authentication is passed through, then generates calling sequence number for group calling.
Trunking dispatching subsystem can also be used for by send the paging instructions comprise calling sequence number to colony terminal calling sequence number being issued to colony terminal.
Whether colony terminal has the authority that initiatively withdraws from group calling can be provided with by the management interface of trunking communication and revise.
The adding group calling if colony terminal is desired initiatively to lag, then trunking dispatching subsystem makes the colony terminal adding group calling that lags.
Pass through technique scheme, the present invention is by adopting group calling serial number and flag bit, realized that in trunked communication system the group calling user can initiatively withdraw from this calling after group calling is set up, and can not come in, but can also initiatively add calling by passive paging once more.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the basic network topology figure of digital cluster system;
Fig. 2 is the block diagram that is used for the trunked communication system of cluster terminal to exit group calling actively according to of the present invention;
Fig. 3 is the basic flow sheet that initiatively withdraws from calling according to the group membership of the embodiment of the invention;
Fig. 4 is the process chart that receives beep-page message according to the terminal that initiatively withdraws from calling of the embodiment of the invention;
Fig. 5 is the related realization flow chart that initiatively withdraws from calling according to group membership in the digital cluster system of the embodiment of the invention;
Fig. 6 initiatively withdraws from the flow chart that the group membership who calls out authority withdraws from calling according to having of the embodiment of the invention;
Fig. 7 is that the nothing according to the embodiment of the invention initiatively withdraws from the flow chart that the group membership who calls out authority withdraws from calling;
Fig. 8 is a process chart of receiving the call signaling that is not higher than former priority of same session according to the terminal that initiatively withdraws from group calling of the embodiment of the invention;
Fig. 9 is a process chart of receiving the call signaling that is higher than former priority of same session according to the terminal that initiatively withdraws from group calling of the embodiment of the invention; And
Figure 10 is a process chart of receiving the call signaling of different sessions according to the terminal that initiatively withdraws from group calling of the embodiment of the invention.
Embodiment
Describe the present invention below with reference to the accompanying drawings in detail.
With reference to Fig. 2, be used for the trunked communication system 10 that colony terminal 30 initiatively withdraws from group calling and comprise according to of the present invention: trunking dispatching subsystem 20, be used to set up group calling, for group calling generates calling sequence number, and calling sequence number is issued to the called colony terminal 30 of all group callings, and be used for after the colony terminal 30 of having the right initiatively to withdraw from group calling sends the request message that initiatively withdraws from group calling, issuing release order message to colony terminal 30; And colony terminal 30, be used for sending the request message that initiatively withdraws from group calling to trunking dispatching subsystem 20, and be used in response to release order message, revise the flag bit of calling sequence number, and returning the release response message to trunking dispatching subsystem 20, trunking dispatching subsystem 20 initiatively withdraws from colony terminal 30 according to response message from group calling.Flag bit can comprise indicates the flag bit that initiatively withdraws from but can also initiatively add.
Trunking dispatching subsystem 20 can also be used for after trunking dispatching subsystem 20 sends the request message that initiatively withdraws from group calling colony terminal 30 being carried out authentication at colony terminal 30, if colony terminal 30 haves no right initiatively to withdraw from group calling, then trunking dispatching subsystem 20 issues the release refuse information to colony terminal 30.Whether colony terminal has the authority that initiatively withdraws from group calling can be provided with by the management interface of trunking communication and revise.
Trunking dispatching subsystem can also be used for when setting up group calling authentication being carried out in group calling, if authentication is passed through, then generates calling sequence number for group calling.
Trunking dispatching subsystem can also be used for by send the paging instructions comprise calling sequence number to colony terminal calling sequence number being issued to colony terminal.
If colony terminal 30 desires initiatively to add once more group calling, then trunking dispatching subsystem 20 adds group calling by authentication again with colony terminal 30.
The adding group calling if colony terminal is desired initiatively to lag, then trunking dispatching subsystem makes the colony terminal adding group calling that lags.
The present invention relates to trunked communication system after group calling is set up, that realizes the group membership initiatively withdraws from group calling, relates in particular to and realizes in the digital cluster system that the group membership initiatively withdraws from calling.The present invention is intended to be implemented in that the group calling user can initiatively withdraw from this calling in the trunked communication system after group calling is set up, and can not come in by passive paging once more, but can also initiatively add calling.
Major technique of the present invention is characterized by the following aspects:
First: Trunked Radio System is that each group calling produces a sequence number CallSN, and with this sequence number along with call signaling brings terminal;
Second: colony terminal can be remembered call properties such as CallSN, Call Attribute, and the state that group system indicates this terminal is for initiatively withdrawing from but can initiatively add;
The 3rd: when terminal under the state that initiatively withdraws from group calling, colony terminal will carry out the comparison of attributes such as CallSN, Call Attribute when receiving call signaling;
The 4th: colony terminal can not be advanced with the session that once is not higher than the call priority before withdrawing from by passive paging, calls out but can initiatively add this once more, also can join in other the calling.
Above technical characterictic implements fairly simple feasible, is easy to promote, and can effectively guarantee after the terminal use initiatively withdraws from group calling not to be come in by passive paging once more under the paging of the same alike result of same session.
The step of trunking communication system realizing cluster terminal to exit group calling actively of the present invention as shown in Figure 3 and Figure 4, Fig. 3 has mainly described the process that terminal in the trunked communication system initiatively withdraws from calling:
Step 201: group system if authentication is passed through, then for this session produces calling sequence CallSN, is used for distinguishing the per call of this group when group calling authentication;
Step 202: group system is carried out paging to calling and called, carries CallSN, Call Attribute attribute in the paging instructions;
Step 203: terminal is according to the relevant information response beep-page message of group, and record is also remembered CallSN, Call Attribute attribute, and group system is received page response, and trunked call is set up successfully;
Step 204: a certain colony terminal MS (Mobile Station, travelling carriage) sends the request message that initiatively withdraws from this calling to group system;
Step 205: group system judges whether this colony terminal has the authority (this authority can be set and revise in the man-machine interface section of the management that offers operator or group user of group system) that initiatively withdraws from this group, if this terminal use has and initiatively withdraws from authority then forward step 206 to, if do not have authority then forward step 209 to;
Step 206: group system sends the release order message that discharges this terminal use;
Step 207: after colony terminal receives the instruction message of call release, revise the correlating markings position of CallSN, it is modified as the attribute that terminal initiatively withdraws from calling, and this sign attribute under the memory, return the release response message to group system simultaneously;
Step 208: group system is revised the list item of this terminal use in this session after receiving and discharging response message, and it is changed to the attribute that initiatively withdraws from but can initiatively add once more.
Step 209: if the terminal use does not have initiatively to withdraw from the authority of calling, group system then sends the message that discharges refusal to the terminal use;
Step 210: after terminal is received and withdrawed from call rejection message, keep former calling, provide the prompting of having no right to discharge.
Fig. 4 has described after terminal initiatively withdraws from the trunked communication system, receives the processing procedure after the paging:
Step 301: end receives call signaling initiatively withdrawing from call state;
More whether step 302: terminal is the relevant information of the CallSN in the call signaling relatively, be the beep-page message of the same session just withdrawed from;
Step 303: if the beep-page message of the session that active is withdrawed from, the then priority of relatively calling out;
Step 304: if not same session, then join in other callings, the relevant information of former calling continues to preserve.
Step 305:, then do not respond paging if the call priority of the call signaling that receives is not higher than the priority before withdrawing from.
Step 306: if the call priority of the call signaling that receives is higher than the priority before withdrawing from, then respond paging, the corresponding flag bit of corresponding modify terminal initiatively withdraws from terminal the sign of calling and removes.
The present invention comprises that also initiatively withdrawing from terminal in the trunked communication system can initiatively lag and add to call out part, the flow process that adds of lagging lags with the non-active of initiatively withdrawing from terminal and adds equally, and being terminal and system initiatively withdraws from the state of this terminal from " speaking " state that makes into by terminal.
In the group-calling process, possess the user who withdraws from the group calling authority and can select to withdraw from this calling in the trunked communication system.The normal talking that can not have influence on other user in the group is operated in the group calling of withdrawing from of unique user, the authority that the user withdraws from group calling can offer battalion's account interface of operator or the management platform of group user is revised configuration by group system, it is to be the configuration aspect with the group, certain terminal use may not have in certain group and initiatively withdraws from authority, but may just have the authority that initiatively withdraws from other group.
The a certain implementation that initiatively withdraws from group calling with regard to the group membership of digital cluster system specifically describes the process of trunking communication system realizing cluster terminal to exit group calling actively of the present invention below.
The group membership initiatively withdraws from the related realization flow process of calling in the digital cluster system, as Fig. 5, Fig. 6 and shown in Figure 7, may further comprise the steps:
Step 401: a certain terminal in the group is initiated group calling and is set up request message, and colony dispatching control centre (DCC) receives this message, and corresponding judgment and processing are done in this foundation request;
Step 402: dispatching control center (DCC) sends authentication request to dispatching home location register (DHR), and the group authentication is passed through, and dispatching home location register (DHR) is that this calling of this group generates a CallSN;
Step 403: dispatching home location register (DHR) sends group's authentication responses to dispatching control center (DCC), in response message, CallSN brought dispatching control center (DCC), whole authentication process also comprises steps such as obtaining group member information, obtains group membership's attributes such as every authority;
Step 404: dispatching control center (DCC) sends call signaling to the dispatcher-controlled territory at calling terminal place, and signaling is carried information such as CallSN and call priority;
Step 405: after calling terminal receives call signaling, the relevant informations such as CallSN that the record call signaling carries;
Step 406: dispatching control center (DCC) sends call signaling to the dispatcher-controlled territory at terminal called place, and signaling is carried information such as CallSN and call priority, and this programme supposition is initiatively withdrawed from the terminal of calling under this zone;
Step 407: after terminal called receives call signaling, the relevant informations such as CallSN that the record call signaling carries;
Step 408: calling and called response beep-page message, group calling is set up successfully;
Step 409: the terminal that initiatively withdraws from calling sends the request of withdrawing from calling to dispatching control center (DCC);
Step 410: dispatching control center (DCC) is judged, whether this group membership has the authority that initiatively withdraws from, if have the step 501 that initiatively withdraws from authority then forward flow process shown in Figure 6 to,, this group membership forwards the step 601 of flow process shown in Figure 7 to if not having this authority.
Step 501: dispatching control center (DCC) is judged that this group membership has and is initiatively withdrawed from authority, sends the call release command messages to terminal;
Step 502: colony terminal is received release command, revises corresponding marker bit, with the flag bit set of " active is withdrawed from but can also initiatively be added ";
Step 503: the terminal response release command, to the response message of dispatching control center (DCC) transmission call release, terminal withdraws from calling, and other-end user and group calling keep;
Step 504: dispatching control center (DCC) is revised this group membership's list item, its state is set to " active is withdrawed from but can also initiatively be added ", avoids DCC to send unnecessary call signaling because of this terminal use.
Step 601: if this initiatively withdraws from the authority that the user does not have initiatively to withdraw from calling, colony dispatching center (DCC) sends to this terminal use and haves no right to discharge indication;
Step 602: terminal keep to be called out, and provides and have no right initiatively to withdraw from the prompting of calling.
The colony terminal exit status that has the initiative in trunked communication system is received handling process such as Fig. 8, Fig. 9 and shown in Figure 10 behind the call signaling.
When be in the trunked communication system terminal use of exit status initiatively receive and withdraw from before belong to same session but the handling process of priority when not being higher than paging command before withdrawing from again as shown in Figure 8, step is as follows:
Step 701: colony terminal is in initiatively exit status, and dispatching control center DCC judges and with initiatively to withdraw from end paged at certain terminal needs in same services zone;
Step 702: dispatching control center (DCC) sends paging command to initiatively withdrawing from terminal place service area, entrained CallSN and the priority of calling all with withdraw from preceding consistent;
Step 703: after the terminal that initiatively withdraws from calling receives this paging command, the relevant information that compares CallSN and call priority, discovery belongs to the paging command that is not higher than former priority of same session, and terminal will be ignored this beep-page message, and terminal keeps exit status.
When be in the trunked communication system terminal use of exit status initiatively receive and withdraw from before belong to same session but the handling process of priority when being higher than paging command before withdrawing from as shown in Figure 9, step is as follows:
Step 801: colony terminal is in initiatively exit status, has a terminal successfully to promote the priority of this group calling in the group, and dispatching control center is judged and need be sent paging command to the terminal that active is withdrawed from;
Step 802: dispatching control center (DCC) sends paging command to the coverage at the terminal place of initiatively withdrawing from calling, and the CallSN that carries is identical, call priority is higher than this terminal withdraw from before;
Step 803: terminal is received paging command, CallSN and the call priority in the paging command relatively, find call priority be higher than withdraw from before;
Step 804: the terminal response beep-page message, send page-response message to colony dispatching center (DCC), terminal adds calling once more, and the corresponding flag bit that writes down in the terminal will be removed, and this member's of colony dispatching center (DCC) state will change thereupon.
Handling process when being in the terminal that initiatively withdraws from calling in the trunked communication system and receiving the beep-page message of different sessions as shown in figure 10, step is as follows:
Step 901: when the colony terminal exit status that has the initiative, colony dispatching center (DCC) receives the setup requests of this terminal place another one group, need send paging command to the service area at this terminal place;
Step 902: colony dispatching control centre (DCC) sends paging command to the coverage of initiatively withdrawing from the terminal place, carries CallSN and call priority attribute;
Step 903: terminal is received this call signaling, compares CallSN, finds to belong to the different sessions of different groups;
Step 904: the terminal response paging, send page-response message to dispatching control center (DCC), add this calling.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a trunked communication system that is used for cluster terminal to exit group calling actively is characterized in that, comprising:
Trunking dispatching subsystem, be used to set up group calling, for described group calling generates calling sequence number, and described calling sequence number is issued to the called colony terminal of all group callings, and be used for after the colony terminal of having the right initiatively to withdraw from group calling sends the request message that initiatively withdraws from described group calling, issuing release order message to described colony terminal; And
Described colony terminal, be used for sending the request message that initiatively withdraws from described group calling to described trunking dispatching subsystem, and be used in response to described release order message, revise the flag bit of described calling sequence number, and returning the release response message to described trunking dispatching subsystem, described trunking dispatching subsystem initiatively withdraws from described colony terminal according to described response message from described group calling.
2. trunked communication system according to claim 1, it is characterized in that, described trunking dispatching subsystem is used for after described trunking dispatching subsystem sends the request message that initiatively withdraws from described group calling described colony terminal being carried out authentication at described colony terminal, if described colony terminal haves no right initiatively to withdraw from group calling, then described trunking dispatching subsystem issues the release refuse information to described colony terminal.
3. trunked communication system according to claim 1 and 2, it is characterized in that, described colony terminal is used for after receiving new group calling paging the sequence number of described new group calling and the sequence number of being stored being compared, and adjudicates whether respond described new group calling paging according to the comparative result of described flag bit.
4. trunked communication system according to claim 3 is characterized in that, described comparative result according to described flag bit is adjudicated and whether responded described new group calling paging and comprise:
If described new group calling is not the described group calling of initiatively withdrawing from, then respond described new group calling paging;
If described new group calling is the described group calling of initiatively withdrawing from, then compare call priority,
If the call priority of described new group calling is higher than the call priority of the described group calling before initiatively withdrawing from, then respond described new group calling paging;
If the call priority of described new group calling is not higher than the call priority of the described group calling before initiatively withdrawing from, then do not respond described new group calling paging.
5. trunked communication system according to claim 1 is characterized in that, described flag bit comprises indicates the flag bit that initiatively withdraws from but can also initiatively add.
6. trunked communication system according to claim 1 is characterized in that, if described colony terminal desires initiatively to add once more described group calling, then described trunking dispatching subsystem adds described group calling by authentication again with described colony terminal.
7. trunked communication system according to claim 1 is characterized in that, described trunking dispatching subsystem is used for when setting up described group calling authentication being carried out in described group calling, if authentication is passed through, then generates described calling sequence number for described group calling.
8. trunked communication system according to claim 1 is characterized in that, described trunking dispatching subsystem is used for by send the paging instructions that comprises described calling sequence number to described colony terminal described calling sequence number being issued to described colony terminal.
9. trunked communication system according to claim 2 is characterized in that, whether described colony terminal has the authority that initiatively the withdraws from group calling management interface by described trunking communication is provided with and revises.
10. trunked communication system according to claim 1 is characterized in that, adds described group calling if described colony terminal is desired initiatively to lag, and then described trunking dispatching subsystem lags described colony terminal to add described group calling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101271307A CN101141706A (en) | 2006-09-05 | 2006-09-05 | Cluster communication system of cluster terminal active exit group calling |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006101271307A CN101141706A (en) | 2006-09-05 | 2006-09-05 | Cluster communication system of cluster terminal active exit group calling |
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| CN101141706A true CN101141706A (en) | 2008-03-12 |
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| CNA2006101271307A Withdrawn CN101141706A (en) | 2006-09-05 | 2006-09-05 | Cluster communication system of cluster terminal active exit group calling |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009117887A1 (en) * | 2008-03-24 | 2009-10-01 | 中兴通讯股份有限公司 | A cluster mobile station and a method for releasing it from a group call |
| CN104469698A (en) * | 2014-11-27 | 2015-03-25 | 北京中细软移动互联科技有限公司 | Cluster communication calling method and system |
| CN104469703A (en) * | 2014-12-26 | 2015-03-25 | 北京中细软移动互联科技有限公司 | Dynamic channel assignment method for cluster calling system |
| CN104469702A (en) * | 2014-12-11 | 2015-03-25 | 北京中细软移动互联科技有限公司 | Trunking communication calling method |
| CN105101105A (en) * | 2014-05-05 | 2015-11-25 | 普天信息技术有限公司 | Method and device for trunking user to quit group call |
-
2006
- 2006-09-05 CN CNA2006101271307A patent/CN101141706A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009117887A1 (en) * | 2008-03-24 | 2009-10-01 | 中兴通讯股份有限公司 | A cluster mobile station and a method for releasing it from a group call |
| CN105101105A (en) * | 2014-05-05 | 2015-11-25 | 普天信息技术有限公司 | Method and device for trunking user to quit group call |
| CN105101105B (en) * | 2014-05-05 | 2018-07-17 | 普天信息技术有限公司 | A kind of trunking user terminal exits the method and apparatus that group is exhaled |
| CN104469698A (en) * | 2014-11-27 | 2015-03-25 | 北京中细软移动互联科技有限公司 | Cluster communication calling method and system |
| CN104469698B (en) * | 2014-11-27 | 2018-02-16 | 中细软移动互联科技有限公司 | A kind of PTT group calling systems applied to intellectual property call network |
| CN104469702A (en) * | 2014-12-11 | 2015-03-25 | 北京中细软移动互联科技有限公司 | Trunking communication calling method |
| CN104469703A (en) * | 2014-12-26 | 2015-03-25 | 北京中细软移动互联科技有限公司 | Dynamic channel assignment method for cluster calling system |
| CN104469703B (en) * | 2014-12-26 | 2018-02-16 | 中细软移动互联科技有限公司 | A kind of channel dynamic allocation method of group calling system |
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