CN109874114A - A kind of group system based on MCPTT pre-establishes session method - Google Patents
A kind of group system based on MCPTT pre-establishes session method Download PDFInfo
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- CN109874114A CN109874114A CN201910012701.XA CN201910012701A CN109874114A CN 109874114 A CN109874114 A CN 109874114A CN 201910012701 A CN201910012701 A CN 201910012701A CN 109874114 A CN109874114 A CN 109874114A
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Abstract
The invention belongs to trunking communicating technology field, it is related to a kind of group system based on MCPTT and pre-establishes session method, comprising: the group system conversation managing method of session information between storage terminal and group system；The exchange method of the group system of signaling and terminal between interactive terminal and group system；The MCPTT of application and free system resources participates in the exchange method of server and media forwarding server；It establishes and hangs up individual calling and call setup that group is exhaled and hang up method；Control right of speech application, right of speech release, the authority control method that right of speech is lined up and right of speech is seized.The MCPTT group system business such as the present invention is efficient, MCPTT group system is neatly realized pre-establishes the session establishment and release of session, system resource application and release, group are exhaled foundation and hung up, individual calling is established and hung up and right of speech controls.With group system on demand establish session method compared with, it is less based on the group service response time for pre-establishing session method.
Description
Technical field
The invention belongs to trunking communicating technology fields more particularly to a kind of group system based on MCPTT to pre-establish meeting
Words method.
Background technique
Digital clustering communication system is a kind of professional command dispatching system, is mainly used in government, public security, traffic and army
Dui Deng department.
External narrow-band digital cluster communication standard have TETRA (Terrestrial Trunked Radio, land cluster without
Line electric standard), DMR (Digital Mobile Radio, digital mobile radio standard), IDEN (Integrated
Digital Enhanced Networks, integrated digital enhanced network)；Domestic narrow-band digital cluster communication standard has PDT
(Police Digital Trunking, police Digital Clustering standard), GoTa (the Global open based on CDMA technology
Trunking architecture, global open trunking framework) and GT800 based on GSM technology.
Currently, wideband digital group system is in the starting stage both at home and abroad.In November, 2012, Communication in China standardization association
It will start broadband cluster system (B-TrunC) series standard based on LTE to formulate.In March, 2016, the publication of 3GPP normal structure
" key task push to talk " based on LTE network (MCPTT, Mission Critical Push To Talk) agreement, should
MCPTT agreement is defined as a part of ETSI-TS-124-379 standard (version 13).
In ETSI-TS-124-379 standard, MCPTT agreement, which defines, pre-establishes session.It is on-demand with group system
Session method is established to compare, it can be less based on the group service response time for pre-establishing session method.Therefore, it is based on MCPTT
Group system to pre-establish session method extremely important.
The present invention is based on existing internet cloud platforms, analyze MCPTT in ETSI-TS-124-379 standard (version 13)
Group system pre-establishes the regulation of session, and combines the specific requirements of industry user, devises a kind of cluster based on MCPTT
System pre-establishes session method, realizes the group service that session is pre-established based on MCPTT, and is the number based on MCPTT
The exploitation of word collection group exchanging system provides reference.
Summary of the invention
In order to realize the group service for pre-establishing session based on MCPTT, the present invention devises a kind of collection based on MCPTT
Group's system pre-establishes session method, and specific technical solution is as follows:
A kind of group system (abbreviation MCPTT group system) based on MCPTT pre-establishes session method, using being based on
The group system of MCPTT, the group system based on MCPTT, comprising: MCPTT participates in server, MCPTT control server
With media forwarding server；The MCPTT participates in server and is communicated with MCPTT terminal；The media forwarding server is logical
MCPTT control server is crossed, is communicated with media forwarding server；
The group system based on MCPTT pre-establishes session method, comprising: group system conversation managing method, collection
The exchange method of group's system and MCPTT terminal, MCPTT participate in exchange method, the call setup of server and media forwarding server
Found and hang up method, authority control method；
The group system conversation managing method is used for: meeting between storage MCPTT terminal and group system based on MCPTT
The information of words；
The exchange method of the group system and MCPTT terminal is used for: establishing and discharge the group system based on MCPTT
It pre-establishes session, the signaling of session is pre-established between interaction MCPTT terminal and group system based on MCPTT；
The exchange method of the group system and MCPTT terminal includes: to pre-establish the method for building up of session and build in advance
The method for releasing of vertical session；
The method for building up for pre-establishing session is used for: establishing the meeting between MCPTT group system and MCPTT terminal
Words；
The method for releasing for pre-establishing session is used for: the meeting between release MCPTT group system and MCPTT terminal
Words；
The exchange method that the MCPTT participates in server and media forwarding server is used for: application and release pre-establish
The system resource of session；
The MCPTT participates in server and the exchange method of media forwarding server includes: system resource acquisition methods, is
System method for releasing resource, the method for pre-establishing session and calling binding, the method for pre-establishing session and calling unbundlings；
The system resource acquisition methods are as follows: MCPTT participates in server and obtains system resource from media forwarding server；
The system resource method for releasing are as follows: MCPTT participates in server and notifies media forwarding server free system resources；
The method for pre-establishing session and calling binding are as follows: media forwarding server establishes system resource and calling
Binding；
The method for pre-establishing session and calling unbundlings are as follows: media forwarding server deactivation system resource and calling
Binding；
It the call setup and hangs up method and is used for: establishing and hang up and exhaled based on the individual calling and group for pre-establishing session；
The call setup and hang up method include: individual calling method for building up, individual calling hang up method, group-calling set-up method and
Group exhales the method for hanging up；
The individual calling method for building up are as follows: MCPTT group system is established based on the individual calling for pre-establishing session；
The individual calling hangs up method are as follows: MCPTT group system is hung up based on the individual calling for pre-establishing session；
The group-calling set-up method are as follows: the foundation of MCPTT group system is exhaled based on the group for pre-establishing session；
Described group is exhaled the method for hanging up are as follows: MCPTT group system is hung up is exhaled based on the group for pre-establishing session；
The authority control method is used for: being controlled based on right of speech application, the right of speech release, words for pre-establishing session
Language power is lined up and right of speech is seized.
Based on the above technical solution, before application pre-establishes the method for building up of session, first by MCPTT terminal
Access.
Based on the above technical solution, MCPTT terminal access the following steps are included:
1) MCPTT group system is after the TCP long connection request for receiving the transmission of MCPTT terminal, MCPTT group system
Store the socket information parameter of TCP long connection；
2) after the access request for receiving the transmission of MCPTT terminal, MCPTT group system updates MCPTT group system
The session information of MCPTT terminal, and 200OK signaling is sent to MCPTT terminal；
3) connection status of MCPTT group system starting link monitoring timer monitoring MCPTT terminal, and wait MCPTT
Other control signalings that terminal is sent；
4) MCPTT group system enters blocked state, and waits the access of other MCPTT terminals.
Based on the above technical solution, the method for building up for pre-establishing session the following steps are included:
1) MCPTT participates in server and receives the request that the foundation that MCPTT terminal is sent pre-establishes session；
2) MCPTT participates in server and sends SessionReq signaling, pre-establishes session to media forwarding server application
System resource, and wait the reply of media forwarding server；
3) MCPTT participates in server after the reply for receiving media forwarding server, and MCPTT participates in server and saves
The system resource obtained from media forwarding server；
4) MCPTT participates in server and sends 200OK signaling, and notice MCPTT terminal pre-establishes session and is successfully established.
Based on the above technical solution, the system resource acquisition methods the following steps are included:
1) media forwarding server receives MCPTT and participates in the system resource application request that server is sent；
2) media forwarding server establishes the state machine for pre-establishing session status instruction；
3) media forwarding server is to pre-establish session to distribute a system port；
4) media forwarding server notice MCPTT participates in server system resources into the distribution of work.
Based on the above technical solution, the group-calling set-up method the following steps are included:
1) MCPTT group system receives the SIP-REFER signaling of MCPTT terminal transmission；
2) MCPTT group system establishes the state machine for call state instruction；
3) MCPTT participate in server send SessionBind signaling, notice media forwarding server binding system resource with
Calling；
4) MCPTT participates in server and sends CONNECT signaling, and notice MCPTT terminal group-calling is successfully established.
Based on the above technical solution, the right of speech application in the authority control method the following steps are included:
1) MCPTT group system receives the FloorRequest signaling of MCPTT terminal transmission；
2) MCPTT group system uses authority control method, judges whether to authorize MCPTT terminal right of speech；
3) MCPTT group system sends FloorGranted signaling to the MCPTT terminal for applying for right of speech；
4) MCPTT group system sends FloorTaken signaling to other MCPTT terminals for participating in calling.
Based on the above technical solution, the group system based on MCPTT is built in cloud platform, described
MCPTT terminal is connect with cloud platform, accesses to MCPTT group system.
Based on the above technical solution, the MCPTT terminal is connect by public mobile network network with cloud platform.
Based on the above technical solution, the public mobile network network includes: 3G and 4G.
Advantageous effects of the invention are as follows:
Method of the present invention can efficiently, MCPTT group system be neatly realized pre-establish the session of session and build
It is vertical exhale foundation with release, system resource application and release, group and hang up, individual calling is established and is hung up and right of speech controls etc.
MCPTT group system business.With group system on demand establish session method compared with, based on the cluster for pre-establishing session method
The service response time is less.
Detailed description of the invention
The present invention has following attached drawing:
Fig. 1 is MCPTT terminal access process schematic diagram of the invention.
Fig. 2 is the method for building up flow diagram for pre-establishing session of the invention.
Fig. 3 is system resource acquisition methods flow diagram of the invention.
Fig. 4 is group-calling set-up method flow diagram of the invention.
Fig. 5 is right of speech application process schematic diagram of the invention.
Specific embodiment
Below by embodiment, present invention is described, it is necessary to which indicated herein is that the present embodiment is served only for this hair
It is bright to be further described, it should not be understood as limiting the scope of the invention, the person skilled in the art in the field can root
The upper content invented makes some nonessential modifications and adaptations accordingly.In the absence of conflict, the embodiment in the present invention
And the feature in embodiment can be combined with each other.
A kind of group system based on MCPTT pre-establishes session method, including group system conversation managing method, cluster
The exchange method of system and MCPTT terminal, MCPTT participate in exchange method, the call setup of server and media forwarding server
With method of hanging up, authority control method.
In the present embodiment, the group system based on MCPTT is built in cloud platform, it is mobile logical by public such as 3G or 4G
MCPTT terminal connect with cloud platform, accesses to MCPTT group system by communication network.
The group system conversation managing method is used for: the letter of session between storage MCPTT terminal and MCPTT group system
Breath；
During specific implementation, MCPTT group system utilizes group system conversation managing method, storage access
The parameter of the socket of MCPTT terminal, the parameter for pre-establishing conversational system resource and based on pre-establishing conference call
Parameter.Fig. 1 is MCPTT terminal access process schematic diagram.As shown in Figure 1, the MCPTT terminal access process includes following step
It is rapid:
1) MCPTT group system is after the TCP long connection request for receiving the transmission of MCPTT terminal, MCPTT group system
Store the parameters such as the socket information of TCP long connection；
2) after the access request for receiving the transmission of MCPTT terminal, MCPTT group system updates MCPTT group system
The session information of MCPTT terminal, and 200OK signaling is sent to MCPTT terminal；
3) connection status of MCPTT group system starting link monitoring timer monitoring MCPTT terminal, and wait MCPTT
Other control signalings that terminal is sent；
4) MCPTT group system enters blocked state, and waits the access of other MCPTT terminals.
The exchange method of the group system and MCPTT terminal is used for: establishing and the preparatory of release MCPTT group system is built
Vertical session.Fig. 2 is the method for building up flow diagram for pre-establishing session.As shown in Fig. 2, the foundation for pre-establishing session
Method the following steps are included:
1) MCPTT participates in server and receives the request that the foundation that MCPTT terminal is sent pre-establishes session；
2) MCPTT participates in server and sends SessionReq signaling, pre-establishes session to media forwarding server application
System resource, and wait the reply of media forwarding server；
3) MCPTT participates in server after the reply for receiving media forwarding server, and MCPTT participates in server and saves
The system resource obtained from media forwarding server；
4) MCPTT participates in server and sends 200OK signaling, and notice MCPTT terminal pre-establishes session and is successfully established.
The exchange method that the MCPTT participates in server and media forwarding server is used for: application and release pre-establish
The system resource of session.
During specific implementation, MCPTT participates in server and disappears from the acquisition of media forwarding server for forwarding media
The system resource of breath.Fig. 3 is system resource acquisition methods flow diagram.As shown in figure 3, the system resource acquisition methods packet
Include following steps:
1) media forwarding server receives MCPTT and participates in the system resource application request that server is sent；
2) media forwarding server establishes the state machine for pre-establishing session status instruction；
3) media forwarding server is to pre-establish session to distribute a system port；
4) media forwarding server notice MCPTT participates in server system resources into the distribution of work.
It the call setup and hangs up method and is used for: establishing and hang up and exhaled based on the individual calling and group for pre-establishing session.
During specific implementation, the group system based on MCPTT can be completed based on the calling for pre-establishing session
Establish and hang up business.Fig. 4 is group-calling set-up method flow diagram.As shown in figure 4, the group-calling set-up method includes following
Step:
1) MCPTT group system receives the SIP-REFER signaling of MCPTT terminal transmission；
2) MCPTT group system establishes the state machine for call state instruction；
3) MCPTT participate in server send SessionBind signaling, notice media forwarding server binding system resource with
Calling；
4) MCPTT participates in server and sends CONNECT signaling, and notice MCPTT terminal group-calling is successfully established.
The authority control method is used for: being controlled based on right of speech application, the right of speech release, words for pre-establishing session
Language power is lined up and right of speech is seized.
During specific implementation, the group system based on MCPTT utilizes authority control method, and control is based on preparatory
Right of speech application, right of speech release, right of speech queuing and the right of speech for establishing session are seized.Fig. 5 is right of speech application process
Schematic diagram.As shown in figure 5, the right of speech application process the following steps are included:
1) MCPTT group system receives the FloorRequest signaling of MCPTT terminal transmission；
2) MCPTT group system uses authority control method, judges whether to authorize MCPTT terminal right of speech；
3) MCPTT group system sends FloorGranted signaling to the MCPTT terminal for applying for right of speech；
4) MCPTT group system sends FloorTaken signaling to other MCPTT terminals for participating in calling.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, it is not intended to limit of the invention special
Sharp range, all equivalent structures done using description of the invention and accompanying drawing content or process transformation, are directly or indirectly transported
Used in other relevant technical fields, it is included within the scope of the present invention.
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of group system based on MCPTT pre-establishes session method, using the group system based on MCPTT, the base
It include: that MCPTT participates in server, MCPTT control server and media forwarding server in the group system of MCPTT；It is described
MCPTT participates in server and is communicated with MCPTT terminal；The media forwarding server is by MCPTT control server, with matchmaker
Body forwarding server is communicated；It is characterized by:
The group system based on MCPTT pre-establishes session method, comprising: group system conversation managing method, cluster system
System participated in the exchange method of MCPTT terminal, MCPTT the exchange method of server and media forwarding server, call setup and
Hang up method, authority control method；
The group system conversation managing method is used for: session between storage MCPTT terminal and group system based on MCPTT
Information；
The exchange method of the group system and MCPTT terminal is used for: establishing and discharge the preparatory of the group system based on MCPTT
It establishes session, the signaling of session is pre-established between interaction MCPTT terminal and group system based on MCPTT；
The exchange method of the group system and MCPTT terminal includes: method for building up and the meeting of pre-establishing for pre-establishing session
The method for releasing of words；
The method for building up for pre-establishing session is used for: establishing the session between MCPTT group system and MCPTT terminal；
The method for releasing for pre-establishing session is used for: the session between release MCPTT group system and MCPTT terminal；
The exchange method that the MCPTT participates in server and media forwarding server is used for: application and release pre-establish session
System resource；
It includes: system resource acquisition methods, system money that the MCPTT, which participates in server and the exchange method of media forwarding server,
Source method for releasing, the method for pre-establishing session and calling binding, the method for pre-establishing session and calling unbundlings；
The system resource acquisition methods are as follows: MCPTT participates in server and obtains system resource from media forwarding server；
The system resource method for releasing are as follows: MCPTT participates in server and notifies media forwarding server free system resources；
The method for pre-establishing session and calling binding are as follows: media forwarding server is established system resource and tied up with what is called
It is fixed；
The method for pre-establishing session and calling unbundlings are as follows: media forwarding server deactivation system resource is tied up with calling
It is fixed；
It the call setup and hangs up method and is used for: establishing and hang up and exhaled based on the individual calling and group for pre-establishing session；
The call setup and to hang up method include: that individual calling method for building up, individual calling are hung up method, group-calling set-up method and group and exhaled
Hang up method；
The individual calling method for building up are as follows: MCPTT group system is established based on the individual calling for pre-establishing session；
The individual calling hangs up method are as follows: MCPTT group system is hung up based on the individual calling for pre-establishing session；
The group-calling set-up method are as follows: the foundation of MCPTT group system is exhaled based on the group for pre-establishing session；
Described group is exhaled the method for hanging up are as follows: MCPTT group system is hung up is exhaled based on the group for pre-establishing session；
The authority control method is used for: being controlled based on right of speech application, the right of speech release, right of speech for pre-establishing session
It is lined up and right of speech is seized.
2. the group system based on MCPTT pre-establishes session method as described in claim 1, it is characterised in that: applying
Before the method for building up for pre-establishing session, first MCPTT terminal is accessed.
3. the group system based on MCPTT pre-establishes session method as claimed in claim 2, it is characterised in that: described
MCPTT terminal access the following steps are included:
1) MCPTT group system is after the TCP long connection request for receiving the transmission of MCPTT terminal, the storage of MCPTT group system
The socket information parameter of TCP long connection；
2) for MCPTT group system after the access request for receiving the transmission of MCPTT terminal, MCPTT group system updates MCPTT
The session information of terminal, and 200OK signaling is sent to MCPTT terminal；
3) connection status of MCPTT group system starting link monitoring timer monitoring MCPTT terminal, and wait MCPTT terminal
The other control signalings sent；
4) MCPTT group system enters blocked state, and waits the access of other MCPTT terminals.
4. the group system based on MCPTT pre-establishes session method as described in claim 1, it is characterised in that: described pre-
First establish the method for building up of session the following steps are included:
1) MCPTT participates in server and receives the request that the foundation that MCPTT terminal is sent pre-establishes session；
2) MCPTT participates in server and sends SessionReq signaling, is to what media forwarding server application pre-established session
System resource, and wait the reply of media forwarding server；
3) MCPTT participates in server after the reply for receiving media forwarding server, and MCPTT participates in server and saves from matchmaker
The system resource that body forwarding server obtains；
4) MCPTT participates in server and sends 200OK signaling, and notice MCPTT terminal pre-establishes session and is successfully established.
5. the group system based on MCPTT pre-establishes session method as described in claim 1, it is characterised in that: the system
Unite resource acquiring method the following steps are included:
1) media forwarding server receives MCPTT and participates in the system resource application request that server is sent；
2) media forwarding server establishes the state machine for pre-establishing session status instruction；
3) media forwarding server is to pre-establish session to distribute a system port；
4) media forwarding server notice MCPTT participates in server system resources into the distribution of work.
6. the group system based on MCPTT pre-establishes session method as described in claim 1, it is characterised in that: described group
Exhale method for building up the following steps are included:
1) MCPTT group system receives the SIP-REFER signaling of MCPTT terminal transmission；
2) MCPTT group system establishes the state machine for call state instruction；
3) MCPTT participates in server and sends SessionBind signaling, notifies media forwarding server binding system resource and exhales
It cries；
4) MCPTT participates in server and sends CONNECT signaling, and notice MCPTT terminal group-calling is successfully established.
7. the group system based on MCPTT pre-establishes session method as described in claim 1, it is characterised in that: the words
Language weigh control method in right of speech application the following steps are included:
1) MCPTT group system receives the FloorRequest signaling of MCPTT terminal transmission；
2) MCPTT group system uses authority control method, judges whether to authorize MCPTT terminal right of speech；
3) MCPTT group system sends FloorGranted signaling to the MCPTT terminal for applying for right of speech；
4) MCPTT group system sends FloorTaken signaling to other MCPTT terminals for participating in calling.
8. the group system based on MCPTT pre-establishes session method as described in claim 1, it is characterised in that: the base
It is built in cloud platform in the group system of MCPTT, the MCPTT terminal is connect with cloud platform, accesses to MCPTT cluster system
System.
9. the group system based on MCPTT pre-establishes session method as claimed in claim 8, it is characterised in that: described
MCPTT terminal is connect by public mobile network network with cloud platform.
10. the group system based on MCPTT pre-establishes session method as claimed in claim 9, it is characterised in that: the public affairs
Many mobile communications networks include: 3G and 4G.
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| CN201910012701.XA CN109874114B (en) | 2019-01-07 | 2019-01-07 | Method for establishing session in advance for cluster system based on MCPTT |
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| CN201910012701.XA CN109874114B (en) | 2019-01-07 | 2019-01-07 | Method for establishing session in advance for cluster system based on MCPTT |
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| CN112822644A (en) * | 2019-11-18 | 2021-05-18 | 成都鼎桥通信技术有限公司 | Group establishing method and equipment |
| CN116209101A (en) * | 2023-05-06 | 2023-06-02 | 天津七一二移动通信有限公司 | Method for realizing intercommunication gateway based on DMR system and TETRA system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112822644A (en) * | 2019-11-18 | 2021-05-18 | 成都鼎桥通信技术有限公司 | Group establishing method and equipment |
| CN112822644B (en) * | 2019-11-18 | 2022-04-26 | 成都鼎桥通信技术有限公司 | Group establishing method and equipment |
| CN116209101A (en) * | 2023-05-06 | 2023-06-02 | 天津七一二移动通信有限公司 | Method for realizing intercommunication gateway based on DMR system and TETRA system |
| CN116209101B (en) * | 2023-05-06 | 2023-09-22 | 天津七一二移动通信有限公司 | Method for realizing intercommunication gateway based on DMR system and TETRA system |
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| CN109874114B (en) | 2020-09-15 |
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