CN1968458A - Method and system for implementing trunked call service - Google Patents
Method and system for implementing trunked call service Download PDFInfo
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- CN1968458A CN1968458A CN 200610086518 CN200610086518A CN1968458A CN 1968458 A CN1968458 A CN 1968458A CN 200610086518 CN200610086518 CN 200610086518 CN 200610086518 A CN200610086518 A CN 200610086518A CN 1968458 A CN1968458 A CN 1968458A
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Abstract
The invention relates to a method for realizing group calling service and relative system, wherein said method comprises that: presetting group service information in the group terminal; triggering the communication button of calling group terminal, to generate call construction request; the calling group terminal adds preset group service information into call construction request, and judges if it is not covered by group service, if it is not covered, the base station subsystem sends said request to the mobile exchanger; mobile exchanger uses group distributor to route call into group exchanger; group exchanger checks the authorization of caller group service, if said service is authorized, group exchange pages the called terminal and builds call.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of implementation method and system of trunked call service.
Background technology
Trunked communication system is a kind of mobile communication system that is used for group's dispatch control communication, the available channel of this system can be shared for all users of system, having automatic selective channel function, is the multipurpose of shared resource, contribution, shared channel equipment and service, dynamical wireless dispatching communication system.The main feature of trunking communication is to adopt PTT (Push To Talk, push-to-talk), continues in a mode that pushes to talk, and the called off-hook that need not can be answered, and the speed that continues is very fast, and can support function such as individual call, one-to-many group call one to one.
In the past, colony dispatching communication is exclusively used in fields such as public security, fire-fighting, traffic, development along with digital technology, digital cluster communication technology based on public communication network is subjected to attracting attention of industry, by this technology, can realize the business model that common network cluster and specialty scheduling are unified, the business that common common communication network users also can use trunked communication system to provide is provided, enjoy the service of diversification.
Public number trunking communication network is the future thrust of communication network, the construction of network needs considerable time, also there is not the scale commercialization at present, therefore may realize group service in a certain zone at public communication network earlier at first stage of construction, how realize that for the terminal in the non cluster service overlay area in the public communication network trunking communication is the problem that needs solve.A kind of method of plain old telephone terminal system connecting with digital cluster is provided in the prior art, by being arranged on the cluster IAD between plain old telephone terminal system and the digital cluster system, the plain old telephone terminal is linked in the digital cluster system, participates in trunked call.But in the method, the user must consult or remember various different operating methods could carry out various group services by operating terminal, for example to before cluster number, add group group service access code and could initiate trunked call, mode of operation with the conventional cluster terminal is different like this, and use is very inconvenient, and the user also can't experience the superior experience that a mode of operation that pushes to talk is brought in the trunking communication.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of implementation method and system of trunked call service, the user has improved the satisfaction of user to service as long as adopt the simple operations mode identical with the conventional cluster terminal promptly can realize trunked call service by system connecting with digital cluster from the non cluster service overlay area of public communication network.
For solving the problems of the technologies described above, the objective of the invention is to be achieved through the following technical solutions:
A kind of implementation method of trunked call service presets group service information in colony terminal; This method comprises:
The push-to-talk key of A, caller colony terminal is triggered, and generates setup requests;
B, caller colony terminal are added into the group service information that presets in the setup requests, and judge if be in the non cluster service overlay area, then send this request by base station sub-system to mobile switching centre;
C, mobile switching centre route the call to Trunking Switching Center by Trunked Radio System;
D, Trunking Switching Center are checked calling subscriber's trunked call service authorization conditions, if this business is authorized, Trunking Switching Center paging terminal called is set up and called out.
Wherein, described Trunking Switching Center checks that calling subscriber's trunked call service authorization conditions specifically comprises: Trunking Switching Center is to Group and List Management Server inquiring calling user's service profile, and does the trunked call service authorization check according to this information.
Wherein, further comprise behind the step D: terminal called is analyzed the information of carrying in the setup requests, and rear subscriber number and group service type are presented on the terminal interface.
Wherein, further comprise behind the step D: Trunking Switching Center by Trunked Radio System to mobile switching centre's signalling of bouquet call setup success message; Mobile switching centre returns response message by Trunked Radio System to Trunking Switching Center after receiving this message.
Also comprise behind the step D:
Trunking Switching Center is pointed out to cluster terminal to transmit call;
Colony terminal sends user's operation information by mobile switching centre to Trunked Radio System;
Trunked Radio System is transmitted to Trunking Switching Center with user's operation information;
Trunking Switching Center is realized right of speech control according to user's operation information.
Wherein, described right of speech prompting is that idle prompting of right of speech mandate prompting or right of speech or right of speech take prompting.
Wherein, described right of speech prompting is single-tone prompt tone or voice flow prompt tone.
Wherein, to send user's operation information to Trunked Radio System be to send push button talk key information or user of user to discharge the push-to-talk key information to described colony terminal.
In addition, step B takes a step forward and comprises: the caller colony terminal carries out the group service registration to base station sub-system.
The colony terminal of caller described in the step B judges that being in the non cluster service overlay area specifically comprises:
The caller colony terminal is not received the registration response message that base station sub-system is returned, and then judges self to be in the non cluster service overlay area.
The colony terminal of caller described in the step B judges that being in the non cluster service overlay area also can comprise:
After the caller colony terminal was received the registration response message that base station sub-system returns, the information of carrying according to this response message was judged and self is in the non cluster service overlay area.
A kind of trunked call service is realized system, comprising:
Colony terminal, group service information is used to prestore, after the push-to-talk key is triggered the generation setup requests, group service information is added in the setup requests, and judge, then this request is sent to mobile switching centre if be in the non cluster service overlay area;
Mobile switching centre is used for the setup requests that colony terminal sends is sent to Trunked Radio System;
Trunked Radio System is used for setup requests is forwarded to Trunking Switching Center;
Trunking Switching Center is used to check user's trunked call service authorization conditions, and check by the time paging terminal called, set up trunked call.
Wherein, described colony terminal also is used for adopting different key assignments to represent user's operation information, and this information being sent to Trunked Radio System by mobile switching centre after obtaining right of speech; Trunked Radio System also is used for realizing corresponding right of speech control according to the user's operation information of receiving.
In addition, described colony terminal also is used for analyzing the information that setup requests is carried, and rear subscriber number and group service type are presented on the terminal interface.
As can be seen from the above technical solutions, the present invention has the following advantages:
In the present invention, the push-to-talk key of caller colony terminal is triggered, and after the generation setup requests, the caller colony terminal is sent to Trunking Switching Center by mobile switching centre and Trunked Radio System with this request, by Trunking Switching Center paging terminal called, set up and call out; Wherein, the user is as long as the talk key that pushes button after directly dialing cluster number can be set up trunked call by system connecting with digital cluster from the non cluster service overlay area of public communication network; After the call setup success and obtaining right of speech, user's talk key that also can continue to press ﹠ hold is directly talked or is unclamped the push-to-talk key and discharges right of speech, because adopt and conventional cluster terminal identical operations mode, make the user have identical operations to experience to identical business, must consult or remember various different operating methods with user in the prior art could compare by operating terminal, operate also conveniently, improved the satisfaction of user communication service.
Description of drawings
Fig. 1 is the system diagram that the present invention is based on the digital clustering communication system of public communication network;
Fig. 2 is the flow chart of caller colony terminal trunked call service implementation method embodiment when being in non-cluster overlay area;
Fig. 3 is the flow chart of called colony terminal trunked call service implementation method embodiment when being in non-cluster overlay area.
Embodiment
With reference to figure 1, comprise colony terminal 101, base station sub-system 102, mobile switching subsystem 105, Trunked Radio System 106 and dispatch service subsystem 107 based on the digital clustering communication system of public communication network, wherein:
Colony terminal 101 can be supported the function of ordinary terminal, the function that also integrated simultaneously conventional cluster terminal one pushes to talk, and the user can be by realizing group service with conventional cluster terminal identical operations mode; The colony terminal 101 group service information such as cluster number prefix and group service type that also are used to prestore, after when the push-to-talk key is triggered, generating setup requests, group service information is added in the setup requests, and judge when being in the non cluster service overlay area at present, setup requests is sent to Trunking Switching Center 108 by Trunked Radio System 106; In addition, colony terminal 101 can adopt different key assignments to represent user's current operation information, and by touch-tone signal this information be sent to Trunked Radio System 106 by mobile switching subsystem 105 after obtain right of speech; Colony terminal also 101 is used for analyzing the information that setup requests is carried, and rear subscriber number and group service type are presented on the terminal interface.
Base station sub-system 102 comprises base station transceiver 103 and base station controller 104.When the caller colony terminal is in the group service overlay area, because base station transceiver 103 and base station controller 104 provide clustering functionality, base station sub-system 102 can directly be routed to trunked call dispatch service subsystem 107, carries out trunked call by Trunking Switching Center 108 and handles; When the caller colony terminal was in the non cluster service overlay area, base station sub-system 102 was transmitted to Trunked Radio System 106 by mobile switching subsystem 105 with call request, carried out trunked call by Trunked Radio System 106 by Trunking Switching Center 108 and handled.
Mobile switching subsystem 105 comprises mobile switching centre 110.Mobile switching centre 110 is the equipment that continues that digital cluster system and public communication network interconnect on call business, is used for setup requests and touch-tone signal that colony terminal 101 is initiated are forwarded to Trunked Radio System 106.
Trunked Radio System 106 is used for the calling of terminal is linked into dispatch service subsystem 107, and finishes the mutual and conversion of signaling and Media Stream between public communication system and digital cluster system; Be used for that also the touch-tone signal that colony terminal 101 is sent is encapsulated in the right of speech signaling and send to Trunking Switching Center 108.
Dispatch service subsystem 107 comprises Group and List Management Server 109 and Trunking Switching Center 108.Group and List Management Server 109 provides the storage and the management function of cluster service user and group information.Trunking Switching Center 108 is used for the information to group list manager 109 inquiring users or group, and finishes the processing of trunked call according to this information, comprises and sets up trunked call such as individual calling and group calling; The right of speech signaling that also is used for sending according to Trunked Radio System 106 realizes corresponding right of speech control.
When the caller colony terminal was in the non cluster service overlay area, the method for realization trunked call service provided by the invention was:
SA1, in the caller colony terminal, preset group service information such as cluster number prefix and group service type.
The push-to-talk key of SA2～SA3, caller colony terminal is triggered, and generates setup requests; The caller colony terminal adds the group service information that presets in the setup requests to, and judges if be in the non cluster service overlay area at present, then sends this request by base station sub-system to mobile switching centre; Wherein, in embodiments of the present invention, after the user dials group number or called number, realize the triggering of this talk key by the talk key that pushes button.
After setup requests is received by SA4, mobile switching centre, learn this time professional according to the group service information in this request and be trunked call, call request be forwarded to Trunking Switching Center by Trunked Radio System.
SA5, Trunking Switching Center be to Group and List Management Server inquiring calling user's group service CAMEL-Subscription-Information, and according to this information calling subscriber's service authority authorization conditions is checked, if professional unauthorized then refuse to make a call process ends; If by the service authorization inspection, Trunking Switching Center is initiated trunked call service, and paging is called.
SA6, after the called subscriber responds calling, Trunking Switching Center by Trunked Radio System to mobile switching centre's signalling of bouquet call setup success message; Mobile switching centre returns response message to Trunking Switching Center after receiving this message.
SA7, Trunking Switching Center are pointed out to the mandate of caller cluster terminal to transmit call.
Below with reference to Fig. 2, specifically describe the embodiment that realizes the trunked call service method when caller colony terminal is in the non cluster service overlay area.
Step 201, in the caller colony terminal, preset group service information; Described group service information comprises information such as cluster number prefix and group service type.
Step 202, user dial the talk key that pushes button behind group number or the called number and initiate trunked call.
Step 203, caller colony terminal add the group service information that presets in the setup requests to automatically, and judge if be in the non cluster service overlay area at present, then send setup requests to mobile switching centre, continue execution in step 204 by base station sub-system; If be in the group service overlay area at present, then directly route the call to the dispatch service subsystem by base station sub-system, carry out trunked call by Trunking Switching Center and handle.Comprise group service information and information such as group number or called number such as cluster number prefix and group service type in the described setup requests.
The caller colony terminal can be to regularly registering to network.In the present embodiment, if the caller colony terminal does not receive that the registration of network replys, it is to be in the group service overlay area at present that the caller colony terminal is judged; If network returns the registration response message, then judgement is in the non cluster service overlay area or is in the group service overlay area caller colony terminal at present according to the terminal positional information in this message.
In addition, the caller colony terminal can be at present be in group service overlay area or non-overlay area information with icon display on terminal interface, the user can understand own residing zone by icon, also can be indifferent to this information, because no matter be in which zone, the method for user's operating terminal is identical.
After setup requests is received by step 204, mobile switching centre, learn this time professional trunked call that is according to the group service information in this request, send SIP INVITE (invitation) signaling to Trunked Radio System, trunked call is set up in request; The From field is carried calling subscriber's Mobile Directory Number in the SIP INVITE signaling, and the To field is carried group service information and group number or called subscriber's cluster number information.
Step 205, Trunked Radio System are transmitted this signaling to Trunking Switching Center after receiving SIP INVITE signaling; The From field is carried calling subscriber's Mobile Directory Number in the signaling, and the To field is carried group service type information and group number or called subscriber's cluster number information.
Step 206, Trunking Switching Center are according to calling subscriber's the Mobile Directory Number group service CAMEL-Subscription-Information to Group and List Management Server inquiring calling user, and calling subscriber's service authority authorization conditions is checked according to the CAMEL-Subscription-Information that inquires, if professional unauthorized then refuse to make a call process ends; If by the service authorization inspection, Trunking Switching Center is initiated trunked call service, paging terminal called.
Step 207 is to step 209, terminal called response, and Trunking Switching Center sends SIP 180Ringing (jingle bell) signaling to Trunked Radio System, in the expression called subscriber ring; Trunked Radio System is forwarded to mobile switching centre with the SIP180Ringing signaling; After SIP 180Ringing signaling is received by mobile switching centre, to caller TMS playing RBT.
Step 210 sends SIP 200OK signaling to step 212, Trunking Switching Center to Trunked Radio System, and the expression trunked call is set up successfully; Trunked Radio System is transmitted this signaling to mobile switching centre; After SIP 200OK signaling is received by mobile switching centre, return SIP ACK (response) signaling to Trunking Switching Center, and finish message to caller colony terminal signalling of bouquet call setup by Trunked Radio System.
After step 213, Trunking Switching Center are received SIP ACK signaling, point out to the mandate of caller cluster terminal to transmit call; Wherein, the right of speech prompting can be recorded flexibly, as single-tone or voice flow etc.
Step 214, caller colony terminal send touch-tone signal by base station sub-system to mobile switching centre after receiving right of speech mandate prompting, carry the information of user's operation set group terminal in this signal; Mobile switching centre is transmitted to Trunked Radio System with touch-tone signal.
Wherein, the mode of user's operation set group terminal is identical with the mode of operation with traditional colony terminal; User's talk key of can selecting to continue to press ﹠ hold is directly talked or is unclamped the push-to-talk key and discharges right of speech.User's operation information is encapsulated in the touch-tone signal by different key assignments, and as button " * " expression application right of speech, button " # " expression right of speech discharges.
Step 215, Trunked Radio System are encapsulated in touch-tone signal in the SIP INFO signaling, and SIP INFO signaling is sent to Trunking Switching Center; Trunking Switching Center is realized corresponding right of speech control according to the user's operation information of carrying in the SIP INFO signaling.
After the calling subscriber discharged right of speech, this calling entered the idle condition of not having conversation, and Trunking Switching Center sends the idle prompting of right of speech to all users of this calling.The calling subscriber can be again to Trunking Switching Center application right of speech.
Colony terminal can be to regularly registering to network, and Trunking Switching Center can be according to register information paging terminal called after receiving the call request that calling terminal is sent.If called colony terminal is to Trunking Switching Center registration, though terminal called does not have response during perhaps registered Trunking Switching Center paging, Trunking Switching Center can think that terminal called is in the non cluster service overlay area.Realize the method for trunked call service when called colony terminal being described below being in the non cluster service overlay area.
SB1, in the caller colony terminal, preset group service information such as cluster number prefix and group service type.
The push-to-talk key of SB2～SB3, caller colony terminal is triggered, generate setup requests, the caller colony terminal adds the group service information that presets in the setup requests to, and judge if be in the non cluster service overlay area at present, then send setup requests to mobile switching centre, route the call to Trunking Switching Center by mobile switching centre by Trunked Radio System again by base station sub-system; If be in the group service overlay area at present, then directly route the call to the dispatch service subsystem by base station sub-system, the dispatch service subsystem is sent to Trunking Switching Center with this request again; Wherein, in embodiments of the present invention, after the user dials group number or called number, realize the triggering of this talk key by the conversation that pushes button.
SB4, Trunking Switching Center send setup requests by Trunked Radio System to mobile switching centre; Mobile switching centre sends this request by base station sub-system to called colony terminal.
SB5, called colony terminal return trunked call foundation to mobile switching centre and finish message.
SB6, mobile switching centre by Trunked Radio System to Trunking Switching Center signalling of bouquet call setup success message; Trunking Switching Center returns response message by Trunked Radio System to mobile switching centre after receiving that trunked call is set up success message, and the expression call setup is finished.
After SB7, caller colony terminal discharged right of speech, Trunking Switching Center pointed out called colony terminal can apply for right of speech to the idle prompting of called cluster terminal to transmit call.
Below in conjunction with Fig. 3, realize the embodiment of trunked call service method when specifically describing called colony terminal and being in the non cluster service overlay area.
Step 301, in the caller colony terminal, preset group service information; Described group service information comprises information such as cluster number prefix and group service type.
Step 302, user dial the talk key that pushes button behind the called number and initiate trunked call.
Step 303, caller colony terminal add the group service information that presets in the setup requests to automatically, and judge if be in the non cluster service overlay area at present, then send setup requests to mobile switching centre, route the call to Trunking Switching Center by mobile switching centre by Trunked Radio System again by base station sub-system; If be in the group service overlay area at present, then directly route the call to the dispatch service subsystem by base station sub-system, the dispatch service subsystem is sent to Trunking Switching Center with setup requests again.
The caller colony terminal can be to regularly registering to network.In the present embodiment, if the caller colony terminal does not receive that the registration of network replys, it is to be in the group service overlay area at present that the caller colony terminal is judged; If network returns the registration response message, then judgement is in the non cluster service overlay area or is in the group service overlay area caller colony terminal at present according to the terminal positional information in this message.
Step 304, Trunking Switching Center send SIP INVITE signaling to Trunked Radio System, and trunked call is set up in request.The From field is carried type of call and calling subscriber's cluster number information in the signaling, and the To field is carried called subscriber's Mobile Directory Number.
Step 305, Trunked Radio System are transmitted the SIP INVITE signaling of receiving to mobile switching centre.The From field is carried calling subscriber's cluster number information in the signaling, and the To field is carried called subscriber's Mobile Directory Number.
Step 306, mobile switching centre handle calling, send setup requests by base station sub-system to terminal called; Terminal called is received the information of carrying in this request post analysis request, calling subscriber's Mobile Directory Number and trunked call type is presented on the terminal interface, as " group calling: cluster group number 8181 " or " individual calling: caller cluster number 1818 ".
Step 307, terminal called return trunked call foundation to mobile switching centre and finish message.
Step 308 sends SIP 180Ringing signaling to step 309, mobile switching centre to Trunked Radio System, in the expression called subscriber ring; Trunked Radio System is transmitted SIP 180Ringing signaling to Trunking Switching Center.
Step 310, mobile switching centre send the SIP200OK signaling by Trunked Radio System to Trunking Switching Center, expression called subscriber access success.
After step 311, Trunking Switching Center are received SIP 200OK signaling, return SIP ACK signaling to mobile switching centre by Trunked Radio System.
After step 312, caller colony terminal discharged right of speech, Trunking Switching Center was to the idle prompting of called cluster terminal to transmit call.
After the called subscriber receives the idle prompting of right of speech, can be by the talk key application right of speech that pushes button.
Step 313, called colony terminal send touch-tone signal by base station sub-system to mobile switching centre, carry the push button information of talk key of user in this signal; Mobile switching centre is transmitted to Trunked Radio System with touch-tone signal.
Step 314, Trunked Radio System are encapsulated in touch-tone signal in the SIP INFO signaling, and SIP INFO signaling is sent to Trunking Switching Center.
Step 315, Trunking Switching Center are pointed out to called cluster terminal to transmit call mandate according to the user key-press information of carrying in the SIP INFO signaling.
In the various embodiments described above, be to adopt SIP (Session Initiation Protocol, session initiation protocol) to carry out Signalling exchange between mobile switching centre and the Trunked Radio System and between Trunked Radio System and the Trunking Switching Center.In the present invention, also can adopt other standard agreements such as ISUP (ISDN UserPart, ISUP) or MAP (Mobile Application Protocol, mobile application protocol) etc. carry out Signalling exchange, the realization of the inventive method is had no effect.
More than the implementation method and the system of trunked call service provided by the present invention is described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (14)
1, a kind of implementation method of trunked call service is characterized in that, presets group service information in colony terminal; This method comprises:
The push-to-talk key of A, caller colony terminal is triggered, and generates setup requests;
B, caller colony terminal are added into the group service information that presets in the setup requests, and judge if be in the non cluster service overlay area, then send this request by base station sub-system to mobile switching centre;
C, mobile switching centre route the call to Trunking Switching Center by Trunked Radio System;
D, Trunking Switching Center are checked calling subscriber's trunked call service authorization conditions, if this business is authorized, Trunking Switching Center paging terminal called is set up and called out.
2, trunked call service implementation method as claimed in claim 1 is characterized in that, described Trunking Switching Center checks that calling subscriber's trunked call service authorization conditions specifically comprises:
Trunking Switching Center is to Group and List Management Server inquiring calling user's service profile, and does the trunked call service authorization check according to this information.
3, trunked call service implementation method as claimed in claim 1 is characterized in that, further comprises behind the step D:
Terminal called is analyzed the information of carrying in the setup requests, and rear subscriber number and group service type are presented on the terminal interface.
4, trunked call service implementation method as claimed in claim 1 is characterized in that, further comprises behind the step D:
Trunking Switching Center by Trunked Radio System to mobile switching centre's signalling of bouquet call setup success message; Mobile switching centre returns response message by Trunked Radio System to Trunking Switching Center after receiving this message.
5, as each described trunked call service implementation method of claim 1 to 4, it is characterized in that, further comprise behind the step D:
Trunking Switching Center is pointed out to cluster terminal to transmit call;
Colony terminal sends user's operation information by mobile switching centre to Trunked Radio System;
Trunked Radio System is transmitted to Trunking Switching Center with user's operation information;
Trunking Switching Center is realized right of speech control according to user's operation information.
6, trunked call service implementation method as claimed in claim 5 is characterized in that, described right of speech prompting is that idle prompting of right of speech mandate prompting or right of speech or right of speech take prompting.
7, trunked call service implementation method as claimed in claim 5 is characterized in that, described right of speech prompting is single-tone prompt tone or voice flow prompt tone.
8, trunked call service implementation method as claimed in claim 5 is characterized in that, it is to send push button talk key information or user of user to discharge the push-to-talk key information that described colony terminal sends user's operation information to Trunked Radio System.
9, trunked call service implementation method as claimed in claim 1 is characterized in that, step B takes a step forward and comprises: the caller colony terminal carries out the group service registration to base station sub-system.
10, trunked call service implementation method as claimed in claim 9 is characterized in that, the colony terminal of caller described in the step B judges that being in the non cluster service overlay area specifically comprises:
The caller colony terminal is not received the registration response message that base station sub-system is returned, and then judges self to be in the non cluster service overlay area.
11, trunked call service implementation method as claimed in claim 9 is characterized in that, the colony terminal of caller described in the step B judges that being in the non cluster service overlay area specifically comprises:
After the caller colony terminal was received the registration response message that base station sub-system returns, the information of carrying according to this response message was judged and self is in the non cluster service overlay area.
12, a kind of trunked call service is realized system, it is characterized in that described system comprises:
Colony terminal, group service information is used to prestore, after the push-to-talk key is triggered the generation setup requests, group service information is added in the setup requests, and judge, then this request is sent to mobile switching centre if be in the non cluster service overlay area;
Mobile switching centre is used for the setup requests that colony terminal sends is sent to Trunked Radio System;
Trunked Radio System is used for setup requests is forwarded to Trunking Switching Center;
Trunking Switching Center is used to check user's trunked call service authorization conditions, and check by the time paging terminal called, set up trunked call.
13, trunked call service as claimed in claim 10 is realized system, it is characterized in that, described colony terminal also is used for adopting different key assignments to represent user's operation information, and this information being sent to Trunked Radio System by mobile switching centre after obtaining right of speech; Trunked Radio System also is used for realizing corresponding right of speech control according to the user's operation information of receiving.
14, realize system as claim 12 or 13 described trunked call services, it is characterized in that described colony terminal also is used for analyzing the information that setup requests is carried, rear subscriber number and group service type information are presented on the terminal interface.
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| CNB2006100865187A CN100455072C (en) | 2006-06-20 | 2006-06-20 | Method and system for implementing trunked call service |
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| CNB2006100865187A CN100455072C (en) | 2006-06-20 | 2006-06-20 | Method and system for implementing trunked call service |
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| WO2009036621A1 (en) * | 2007-09-20 | 2009-03-26 | Zte Corporation | A call initiating method for digital trunking communication terminal |
| WO2011044800A1 (en) * | 2009-10-12 | 2011-04-21 | 华为技术有限公司 | Method, device and communication system for group call |
| CN102065379A (en) * | 2010-11-24 | 2011-05-18 | 中兴通讯股份有限公司 | Voice incoming call prompting method and trunking communication system |
| CN102223714A (en) * | 2011-06-27 | 2011-10-19 | 中兴通讯股份有限公司 | Method for accessing terminal to group service, terminal and base station |
| CN104469850A (en) * | 2014-11-25 | 2015-03-25 | 海能达通信股份有限公司 | Calling establishing method and system and dispatch interconnection server |
| 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 |
| CN113411758A (en) * | 2020-03-16 | 2021-09-17 | 成都鼎桥通信技术有限公司 | Method and device for determining group call key event of private network cluster terminal |
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| FI96814C (en) * | 1993-06-23 | 1996-08-26 | Nokia Telecommunications Oy | Procedure for making a call |
| DE19537101A1 (en) * | 1995-10-05 | 1997-04-10 | Bosch Gmbh Robert | Method for establishing message connections for group and / or collective calls |
| JP2001128244A (en) * | 1999-10-29 | 2001-05-11 | Fujitsu Ltd | Mobile group communication system |
| CN1310532C (en) * | 2003-09-22 | 2007-04-11 | 华为技术有限公司 | Calling zone limit method |
| CN100359969C (en) * | 2004-11-18 | 2008-01-02 | 中兴通讯股份有限公司 | Method for realizing regional dispatch in grouped system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2009036621A1 (en) * | 2007-09-20 | 2009-03-26 | Zte Corporation | A call initiating method for digital trunking communication terminal |
| CN101127967B (en) * | 2007-09-20 | 2010-06-02 | 中兴通讯股份有限公司 | A method for quick call origination in digital cluster communication system |
| WO2011044800A1 (en) * | 2009-10-12 | 2011-04-21 | 华为技术有限公司 | Method, device and communication system for group call |
| CN102045651A (en) * | 2009-10-12 | 2011-05-04 | 华为技术有限公司 | Cluster call method, MSC, BSC and communication system |
| CN102065379A (en) * | 2010-11-24 | 2011-05-18 | 中兴通讯股份有限公司 | Voice incoming call prompting method and trunking communication system |
| CN102223714A (en) * | 2011-06-27 | 2011-10-19 | 中兴通讯股份有限公司 | Method for accessing terminal to group service, terminal and base station |
| CN104469850A (en) * | 2014-11-25 | 2015-03-25 | 海能达通信股份有限公司 | Calling establishing method and system and dispatch interconnection server |
| 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 |
| CN113411758A (en) * | 2020-03-16 | 2021-09-17 | 成都鼎桥通信技术有限公司 | Method and device for determining group call key event of private network cluster terminal |
| CN113411758B (en) * | 2020-03-16 | 2022-08-09 | 成都鼎桥通信技术有限公司 | Method and device for determining group call key event of private network cluster terminal |
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