CN109842876B - State subscription method for cluster users and user groups - Google Patents
State subscription method for cluster users and user groups Download PDFInfo
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Abstract
The application discloses a state subscription method of cluster users and user groups, which comprises the following steps: the converged dispatching desk sends a state subscription request of a user or a user group to a TCF in the broadband cluster system; when the TCF determines that the subscribed user or the user group in the subscription request is a narrowband user, the TCF sends the subscription request to an MSC (Mobile switching center) in a narrowband cluster system through a pSIP (pSIP) interface; the MSC receives the subscription request, and replies a successful subscription message to the TCF through the pSIP interface if the subscription is agreed; and the TCF replies a successful subscription message to the converged scheduling platform. By applying the method and the device, the subscription of the user and user group state information of the broadband side and the narrowband side can be conveniently realized.
Description
Technical Field
The present application relates to a trunking communication system, and in particular, to a method for acquiring statuses of trunking users and user groups.
Background
A wide-band and narrow-band integrated cluster communication system is a hot topic in recent domestic communication industry and application fields thereof. The system integrates a narrow-band trunking communication system represented by TeTRA and PDT with a B-Trunc broadband trunking communication system, supports unified signing, unified scheduling and unified application, and compared with an air interface gateway intercommunication scheme, the system gets rid of dependence on an intercommunication gateway with poor processing capability, improves service integration capability and reduces call service delay.
Specifically, with the development of the private network industry, customers demand reliable voice services and have gradually more demands on big data services such as video monitoring and multimedia broadcasting, and the evolution of the private network communication based on the LTE technology is a great trend under the promotion of the increase of market broadband demands and the rapid development of the public network 4G technology. However, in a long period of time in the future, a private network broadband cluster will be influenced and limited by various factors such as spectrum policy, technical standard maturity, network security and reliability, user cost, and the like. Therefore, popularization of broadband cluster technology cannot be achieved at once, and broadband and narrowband technologies need to be fused together by combining practical situations, so that a solution meeting practical requirements of industrial users is provided.
Fig. 1 is a schematic illustration of a broadband-narrowband converged cluster communication system. As shown in fig. 1, the broadband and narrowband converged cluster communication system includes the same scheduling and application platform, a B-TrunC broadband cluster and its operation and maintenance center, and a PDT/TeTRA narrowband cluster and its operation and maintenance center.
In the existing broadband-narrowband converged cluster communication system, from the existing air interface gateway intercommunication scheme, the broadband side cannot acquire the state information of the narrowband side user and the user group.
Disclosure of Invention
The application provides a method for subscribing the states of cluster users and user groups, which can conveniently realize the subscription of the state information of the users and the user groups at a broadband side and a narrowband side.
In order to achieve the purpose, the following technical scheme is adopted in the application:
a status subscription method for cluster users and user groups comprises the following steps:
the converged dispatching desk sends a state subscription request of a user or a user group to a TCF in the broadband cluster system;
when the TCF determines that the subscribed user or the user group in the subscription request is a narrowband user, the TCF sends the subscription request to an MSC (Mobile switching center) in a narrowband cluster system through a pSIP (pSIP) interface;
the MSC receives the subscription request, and replies a successful subscription message to the TCF through the pSIP interface if the subscription is agreed;
and the TCF replies a successful subscription message to the converged scheduling platform.
Preferably, after the TCF replies to the converged scheduler with a message that the subscription is successful, the method further includes:
after the initial subscription is successful, or when the subscription state of the subscribed user or the user group changes, the MSC sends the current value of the subscription state of the subscribed user or the user group to the convergence scheduling station through the TCF.
Preferably, the sending, by the MSC, the current value of the subscription status of the subscribed user or the user group to the converged scheduler through the TCF includes:
the MSC sends an SIP message to the TCF, wherein the SIP message comprises the current value of the subscription state;
after receiving the current value of the subscription state, the TCF feeds back an SIP message to the MSC, wherein the SIP message is used for indicating that state information is received;
the TCF sends an SIP message to the convergence dispatching desk, wherein the SIP message comprises the current value of the subscription state;
and after receiving the current value of the subscription state, the convergence scheduling station feeds back an SIP message to the TCF, wherein the SIP message is used for indicating that state information is received.
Preferably, the SIP message sent by the MSC to the TCF is a Notify message;
and the SIP message fed back to the MSC by the TCF is 200 OK.
Preferably, the SIP message sent by the TCF to the convergence scheduling station is a Notify message;
and the SIP message fed back to the TCF by the convergence scheduling station is 200 OK.
Preferably, the converged scheduling console sends a status subscription request of a user or a user group to the TCF through an SIP message; the state subscription request comprises a subscribed number and a subscription type.
Preferably, the manner for the TCF to determine that the subscribed user or user group in the subscription request is a narrowband user is as follows: and the TCF distinguishes whether the subscribed number is a broadband user or a narrowband user according to the subscribed number included in the subscription request and according to code number planning.
Preferably, the TCF sending the subscription request to the MSC through the pSIP interface includes: the TCF sends a SIP subscribe message to the MSC.
Preferably, the message that the subscription is successfully replied to the TCF through the pSIP interface by the MSC includes: and the MSC replies a SIP 200OK message to the TCF.
Preferably, the message that the TCF replies successful subscription to the converged scheduler comprises: and the TCF replies a SIP 200OK message to the converged dispatching desk for indicating that the subscription is successful.
Preferably, the subscribed status of the user or the user group includes one or any combination of the following: user registration state, user call state, group call state, user group list and user list in group.
According to the technical scheme, in the application, the fusion scheduling station sends the state subscription request of the user or the user group to the TCF in the broadband cluster system; when the TCF determines that the subscribed user or the user group in the subscription request is a narrowband user, the TCF sends the subscription request to an MSC (Mobile switching center) in a narrowband cluster system through a pSIP (pSIP) interface; the MSC receives the subscription request, and replies a successful subscription message to the TCF through the pSIP interface if the subscription is agreed; and the TCF replies a successful subscription message to the converged scheduling platform. By the method and the system, the converged scheduling console can subscribe the state information of the users and the user groups at the narrow-band side by using the broadband side, so that the converged scheduling console can realize the subscription of the state information of the users and the user groups at the broadband side and the narrow-band side.
Drawings
Fig. 1 is a schematic illustration of a broadband-narrowband converged cluster communication system;
FIG. 2 is a flowchart of a state subscription method for cluster users and user groups in the present application;
fig. 3 is a schematic diagram of a core internetwork interface between a broadband trunking system and a narrowband trunking system in the broadband and narrowband converged trunking communication system in the present application;
fig. 4 is a schematic diagram of a method for subscribing to a narrowband user and a user group by a converged dispatch table.
Detailed Description
For the purpose of making the objects, technical means and advantages of the present application more apparent, the present application will be described in further detail with reference to the accompanying drawings.
In the application, the core internetwork pSIP interfaces of the broadband cluster system and the narrowband cluster system are expanded, so that the broadband cluster system can subscribe the state information of users or user groups in the narrowband cluster system through the pSIP interfaces, and finally the states of the broadband and narrowband users are intensively presented in the fusion dispatching desk.
Fig. 2 is a flowchart of a state subscription method for cluster users and user groups in the present application. As shown in fig. 2, the method includes:
In step 202, when the TCF determines that the subscribed user or user group in the received subscription request is a narrowband user, the TCF sends the subscription request to the MSC in the narrowband cluster system through the pSIP interface.
In the application, the pSIP interfaces between the core networks of the broadband cluster system and the narrowband cluster system are expanded, and the broadband is used for transmitting the relevant information of the state subscription. Specifically, the broadband cluster system subscribes to the narrowband cluster system for the status information of the users or user groups in the system.
And step 204, the TCF replies a message of successful subscription to the converged scheduling platform.
So far, the process of the state subscription method in the present application is finished. Through the method, the converged scheduling station can subscribe the state of the user or the user group in the system to the MSC in the narrow-band cluster system through the TCF. For the broadband cluster system, the state subscription method can continue to use the existing mode, so that the fusion dispatching desk can acquire the state information of users or user groups of the broadband cluster system and the narrowband cluster system.
Specific implementations of the present application are described in detail below.
Firstly, the following subscriptions in several states are defined in the application, and the unified management of users and groups in the broadband and narrowband system by the converged scheduling console is realized:
1) user registration status
2) Subscriber call state
3) Group call state
4) List of groups to which the user belongs
5) In-group user lists
For the broadband side, the subscription of the above state can be realized according to the interface of the dispatching desk in the B-Trunc standard.
For the narrow-band side, the core network interface of the wide-narrow-band system adopts a pSIP protocol established by a PDT alliance, and flow interfaces such as single call, group call, short message and the like among the core networks are realized. And the application realizes the subscription of the broadband side to the user/group state of the narrowband side by expanding the pSIP interface.
The network elements and interfaces involved in the method of the present application are shown in fig. 3, where a B-TrunC dispatch console interface exists between a converged dispatch console and an SCC (specifically, TCF) of a broadband cluster system, and a PDT pSIP interface exists between the SCC (specifically, TCF) of the broadband cluster system and an MSC in a narrowband cluster system.
Fig. 4 is a schematic flow chart of a method for subscribing and acquiring states of a cluster system user and a user group in the embodiment of the present application. As shown in fig. 4, the method includes:
Preferably, in this embodiment, the sent subscription request may include the subscribed number and the subscription type, and the subscription request may be included in an SIP message, specifically, an SIP Subscribe message.
Step 402, the TCF determines whether the subscribed user is a broadband user or a narrowband user, and if the subscribed user is a broadband user, completes the subscription process according to the existing manner; if it is a narrowband user, go to step 403.
When the TCF determines whether the subscribed user is a broadband user or a narrowband user, various feasible manners may be adopted. For example, a field included in the subscription request indicates whether the subscribed user or group of users belongs to a broadband system or a narrowband system.
When the subscribed number is included in the subscription request, the TCF may preferably distinguish whether the subscribed number is a broadband user or a narrowband user according to the subscribed number and according to the code number plan.
In step 403, the TCF sends a sip (subscribe) subscription request to the MSC through the pSIP interface.
In this embodiment, when the subscription request is sent to the MSC through the pSIP interface, the subscription request is specifically an SIP Subscribe message. Thus, for the MSC, the request for the guaranteed state subscription is the same as the existing one.
Typically, the MSC agrees to the subscription if the subscriber number and the right are correct. In this embodiment, when the MSC feeds back the successful subscription message to the TCF through the pSIP interface, the successful subscription message is specifically SIP 200OK, so that, for the MSC, the notification mode for ensuring successful subscription is the same as that in the prior art.
In step 405, the TCF replies to the converged dispatcher that the SIP (200OK) identifier subscription was successful.
In step 406, the MSC determines the push status information when the initial subscription is performed and the status of the subscribed user changes.
In step 407, the MSC sends a sip (notify) message to the TCF.
The sip (notify) message includes the status information of the subscribed user.
At step 408, the TCF sends a SIP (200OK) to the MSC indicating that the status information has been received.
In step 409, the TCF sends the status information to the converged scheduler via sip (notify).
In step 410, the converged dispatcher sends a SIP (200OK) to the TCF indicating that the status information has been received.
The method flow in this embodiment is ended.
In the above method, for the extension of pSIP interface message between TCF and MSC, the following is explained:
(1) subscripte message extension
Dispatcher station number 9371361
The subscribed mobile station number is 9011201
TCF field name m1, ip address 192.168.1.120;
the MSC domain name is m2, and the ip address is 192.168.1.121;
Q p:9011201
i:ABC12345
f:<p:9371361>；g＝5321
t:-
Q:1Q
v:U m1；b＝4
H:70
m:<s:m1；m＝192.168.1.120>
o:rss
X:3600
Z:a/m
l:0
(2) notify message extension
The dispatcher station number is 9371361 or 13800000001
The subscribed mobile station number is 9011201
SCC field name m1, ip address 192.168.1.120;
the MSC domain name is m2, and the ip address is 192.168.1.121;
N s:m1
i:ABC12345
f:<p:9011201>；g＝1235
t:<t:13800000001>；g＝5321
Q:1N
v:U m2；b＝4
H:70
m:<s:m2；m＝192.168.1.121>
o:rss
c:a/m
l:(…)
<reginfo>
…
…
</reginfo>
(3) description of the expanded header
The Event header field is used for identifying the Event type, and the specific format is as follows:
Event＝("Event:"|"o:")event-type
event-type＝event-package
event-package＝…
…
|call-status-subscribe
|registration-status-subscribe
|relate-status-subscribe
call-status-subscribe＝"call-status-subscribe"|"css"
note 1: representing subscription and reporting of call states.
registration-status-subscribe＝"registration-status-subscribe"|"rss"
Note 2: representing registration state subscription and reporting.
relate-status-subscribe＝"relate-status-subscribe"|"lss"
Note 3: and representing the subscription and the report of the user and the group association state.
Meanwhile, in the above method, status information (e.g., Notify message) about reporting may be described in table 1 to table 3.
TABLE 1
TABLE 2
TABLE 3
The foregoing is a specific implementation of the cluster user and user group state subscription method in the present application. Through the processing of the application, the broadband cluster can subscribe the state of the narrowband cluster user through the pSIP interface, and the unified presentation and management of the broadband and narrowband fusion system user are realized. Meanwhile, the existing state subscription mechanism of the broadband and narrowband is not influenced; and the existing pSIP interface between the core networks is expanded, and an interface does not need to be added between the dispatching desk and the narrow-band core network.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (11)
1. A status subscription method for cluster users and user groups is characterized by comprising the following steps:
the converged dispatching desk sends a state subscription request of a user or a user group to a TCF in the broadband cluster system;
when the TCF determines that the subscribed user or the user group in the subscription request is a narrowband user, the TCF sends the subscription request to an MSC (Mobile switching center) in a narrowband cluster system through a pSIP (pSIP) interface; the subscription request is that the broadband trunking system subscribes the state information of a user or a user group in the narrowband trunking system to the narrowband trunking system;
the MSC receives the subscription request, and replies a successful subscription message to the TCF through the pSIP interface if the subscription is agreed;
and the TCF replies a successful subscription message to the converged scheduling platform.
2. The method of claim 1, wherein after the TCF replies to the converged scheduler with a successful subscription message, the method further comprises:
after the initial subscription is successful, or when the subscription state of the subscribed user or the user group changes, the MSC sends the current value of the subscription state of the subscribed user or the user group to the convergence scheduling station through the TCF.
3. The method of claim 2, wherein the MSC sending the current value of the subscription status of the subscribed user or group of users to the converged scheduler via the TCF comprises:
the MSC sends an SIP message to the TCF, wherein the SIP message comprises the current value of the subscription state;
after receiving the current value of the subscription state, the TCF feeds back an SIP message to the MSC, wherein the SIP message is used for indicating that state information is received;
the TCF sends an SIP message to the convergence dispatching desk, wherein the SIP message comprises the current value of the subscription state;
and after receiving the current value of the subscription state, the convergence scheduling station feeds back an SIP message to the TCF, wherein the SIP message is used for indicating that state information is received.
4. The method according to claim 3, wherein the SIP message sent by the MSC to the TCF is a Notify message;
and the SIP message fed back to the MSC by the TCF is 200 OK.
5. The method of claim 3, wherein the SIP message sent by the TCF to the converged dispatcher is a Notify message;
and the SIP message fed back to the TCF by the convergence scheduling station is 200 OK.
6. The method of claim 1, wherein the converged scheduler sends a status subscription request of a user or group of users to the TCF via a SIP message; the state subscription request comprises a subscribed number and a subscription type.
7. The method of claim 6, wherein the TCF determines that the subscribed user or group of users in the subscription request is a narrowband user by: and the TCF distinguishes whether the subscribed number is a broadband user or a narrowband user according to the subscribed number included in the subscription request and according to code number planning.
8. The method of claim 1, wherein the TCF sending a subscription request to the MSC over a pSIP interface comprises: the TCF sends a SIP subscribe message to the MSC.
9. The method of claim 1, wherein the MSC replies to the TCF over the pSIP interface that the subscription was successful comprises: and the MSC replies a SIP 200OK message to the TCF.
10. The method of claim 1, wherein the TCF replying to the converged scheduler with a successful subscription message comprises: and the TCF replies a SIP 200OK message to the converged dispatching desk for indicating that the subscription is successful.
11. The method according to any one of claims 1 to 10, wherein the subscribed status of the user or group of users comprises one or any combination of the following: user registration state, user call state, group call state, user group list and user list in group.
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| CN113316092B (en) * | 2021-05-31 | 2023-01-17 | 海能达通信股份有限公司 | Call service control method, cluster system, terminal and communication system |
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