CN109428854A - It is a kind of based on wide and narrow strip fusion call processing method, apparatus and system - Google Patents
It is a kind of based on wide and narrow strip fusion call processing method, apparatus and system Download PDFInfo
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- CN109428854A CN109428854A CN201710724221.7A CN201710724221A CN109428854A CN 109428854 A CN109428854 A CN 109428854A CN 201710724221 A CN201710724221 A CN 201710724221A CN 109428854 A CN109428854 A CN 109428854A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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Abstract
The embodiment of the present invention provide it is a kind of based on wide and narrow strip fusion call processing method, apparatus and system.The described method includes: receiving the first call request that broadband calling terminal is sent, the first call request includes the first call number；If judging to know the first call request according to the first call number to include the narrowband terminal for completing cluster registration in group-calling service and the corresponding fusion group of the first call number, the first call request then is sent to mobile switching centre, is exhaled so that mobile switching centre establishes group to narrowband terminal；Group is established to wide-band terminal according to the first call request to exhale.Described device is for executing the method.The embodiment of the present invention is by judging the first call number for fusion group sets of numbers, then to wide-band terminal establish group exhale and to mobile switching centre send the first call request, make mobile switching centre establish group to narrowband terminal to exhale, to realize the group-calling service of wide-band terminal and narrowband terminal and not will receive the limitation of volume of business.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a call processing method, a device and a system based on wide-band and narrow-band fusion.
Background
The trunking communication system is developed for meeting the demand of commanding and dispatching of industrial users, is a special wireless communication system applied to specific industries, and has wide application markets in the fields of government departments, public safety, emergency communication, electric power, civil aviation, petroleum, ports and the like.
Narrow-band trunking communication systems represented by terrestrial trunked radio (TeTRA) and digital trunking communication systems (PDT) have been applied for many years, so that the voice call quality, the security and the function completeness are greatly improved, and the narrow-band trunked communication systems continue to provide services for private network customers in the coming years. However, with the development of communication technology and multimedia technology, users have stronger requirements for high-quality voice, video, image and other big data services, and narrow-band trunking communication has not been able to meet the requirements of the development of modern society.
The TD-LTE system has the characteristics of high utilization rate of wireless frequency spectrum, high transmission speed, simple structure, small time delay, maturity, stability, reliability and the like. The broadband trunking communication system (B-trunC) takes TD-LTE as a core technology, combines the characteristics of high rate and large bandwidth of the TD-LTE with the characteristics of resource sharing, quick call establishment, command scheduling and the like in the digital trunking technology, and is a communication system capable of providing high-speed data transmission.
In order to enable the broadband trunking terminal and the narrowband trunking terminal to communicate with each other, a broadband-narrowband fusion scheme needs to be designed, advantages of the broadband-narrowband trunking system are concentrated and supplemented with each other, and a high-quality trunking communication effect is provided for clients.
At present, common broadband and narrowband fusion is usually implemented by using an air interface interworking gateway, fig. 1 is a schematic diagram of a broadband and narrowband cluster system structure based on an air interface gateway provided in the prior art, as shown in fig. 1, one side of the interworking gateway is interconnected with a network side of a broadband system, the other side is interconnected with a narrowband system through the air interface gateway, the air interface gateway is used as a terminal to access the narrowband system, and signaling and voice data of broadband and narrowband interworking are forwarded and processed by the air interface gateway. If the convergence group containing the broadband terminal and the narrowband terminal needs to carry out communication, several air interface gateways are needed by several narrowband terminals in the convergence group.
However, the scheme is still two networks for users, and cannot realize applications such as broadband and narrowband unified scheduling, unified subscription data management, unified network management, unified location service and the like. Strictly speaking, it is not true broadband and narrowband service convergence. In addition, the concurrent service capacity between the broadband and the narrowband is limited, which depends on the number of air interface gateways. Therefore, how to realize the unlimited concurrent service capacity when the group call is performed on the broadband terminal and the narrowband terminal is a problem to be solved urgently today.
Disclosure of Invention
Aiming at the problems in the prior art, the embodiment of the invention provides a call processing method, a device and a system based on wideband and narrowband fusion.
In a first aspect, an embodiment of the present invention provides a call processing method based on wideband and narrowband fusion, including:
receiving a first call request sent by a broadband calling terminal, wherein the first call request comprises a first call number;
if the first call request is judged to be the group call service according to the first call number and the fusion group corresponding to the first call number comprises the narrow band terminal completing the cluster registration, the first call request is sent to a mobile switching center so that the mobile switching center establishes the group call for the corresponding narrow band terminal according to the first call request;
and establishing group calling for the broadband terminals in the converged group according to the first calling request.
In a second aspect, an embodiment of the present invention provides another call processing method based on wideband and narrowband convergence, including:
receiving a second call request sent by a narrowband calling terminal, wherein the second call request comprises a second call number;
if the second calling number is judged to be the fused group number according to the second calling number, sending the second calling request to a cluster control function body so that the cluster control function body establishes group calling for the broadband terminal corresponding to the second calling request;
and receiving a group call establishment completion message sent by the cluster control function body, and establishing a group call for the narrow-band terminals in the fusion group according to the second call request.
In a third aspect, an embodiment of the present invention provides a cluster control function, including:
the first receiving module is used for receiving a first call request sent by a broadband calling terminal, wherein the first call request comprises a first call number;
a first sending module, configured to send the first call request to a mobile switching center if it is determined according to the first call number that the first call request is a group call service and a convergence group corresponding to the first call number includes a narrowband terminal that completes cluster registration, so that the mobile switching center establishes a group call for the corresponding narrowband terminal according to the first call request;
and the first group call establishing module is used for establishing group calls for the broadband terminals in the converged group according to the first call request.
In a fourth aspect, an embodiment of the present invention provides a mobile switching center, including:
the second receiving module is used for receiving a second call request sent by the narrowband calling terminal, wherein the second call request comprises a second call number;
a second sending module, configured to send the second call request to a trunking control function if it is determined that the second call number is a converged group number according to the second call number, so that the trunking control function establishes a group call for the broadband terminal corresponding to the second call request;
and the second group call establishing module is used for receiving the group call establishing completion message sent by the cluster control function body and establishing the group call for the narrow-band terminal in the fusion group according to the second call request.
In a fifth aspect, an embodiment of the present invention provides a call processing system based on wideband and narrowband convergence, including: the system comprises a broadband cluster system, a narrowband cluster system, a switching control center and a fusion dispatching desk; wherein,
the exchange control center comprises a cluster control function body, a cluster media function body and a home subscriber server and is used for managing the broadband cluster system and the narrowband cluster system;
the broadband trunking system comprises a gateway, a mobile management unit and a broadband terminal, and is used for sending a call request to the switching control center and receiving a control instruction of the switching control center;
the narrowband cluster system comprises a mobile switching center and a narrowband terminal, and is used for sending a call request to the switching control center and receiving a control instruction of the switching control center;
the converged scheduling station comprises a plurality of servers for providing services for the broadband terminal and the narrowband terminal.
In a sixth aspect, an embodiment of the present invention provides an electronic device, including: a processor, a memory, and a bus, wherein,
the processor and the memory are communicated with each other through the bus;
the memory stores program instructions executable by the processor, the processor being capable of performing the method steps of the first aspect when invoked by the program instructions.
In a seventh aspect, an embodiment of the present invention provides a non-transitory computer-readable storage medium, including:
the non-transitory computer readable storage medium stores computer instructions that cause the computer to perform the method steps of the first aspect.
In an eighth aspect, an embodiment of the present invention provides an electronic device, including: a processor, a memory, and a bus, wherein,
the processor and the memory are communicated with each other through the bus;
the memory stores program instructions executable by the processor, the processor being capable of performing the method steps of the second aspect when invoked.
In a ninth aspect, an embodiment of the present invention provides a non-transitory computer-readable storage medium, including:
the non-transitory computer readable storage medium stores computer instructions that cause the computer to perform the method steps of the second aspect.
According to the call processing method, device and system based on the wide-band and narrow-band fusion, if the first call request is judged to be the group call service according to the first call number, and the fusion group corresponding to the first call number comprises the narrow-band terminal completing the cluster registration, the group call is established for the wide-band terminal, and the first call request is sent to the mobile switching center, so that the mobile switching center establishes the group call for the narrow-band terminal, and the group call service of the wide-band terminal and the narrow-band terminal is achieved without being limited by service capacity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a broadband and narrowband cluster system based on an air interface gateway in the prior art;
fig. 2 is a schematic flowchart of a call processing method based on narrowband and wideband fusion according to an embodiment of the present invention;
fig. 3 is a signaling interaction diagram of a call processing method based on wideband and narrowband integration according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of a call processing method based on narrowband convergence according to another embodiment of the present invention;
fig. 5 is a signaling interaction diagram of a call processing method based on wideband and narrowband integration according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a cluster control function according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a mobile switching center according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a call processing system based on wideband and narrowband integration according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of an electronic device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 2 is a schematic flowchart of a call processing method based on narrowband convergence according to an embodiment of the present invention, and as shown in fig. 2, the method includes:
step 201: receiving a first call request sent by a broadband calling terminal, wherein the first call request comprises a first call number;
specifically, when the broadband calling terminal initiates a call, a first call request is sent to a Trunking Control Function (TCF), and at this time, the TCF receives the first call request sent by the broadband calling terminal, it should be noted that the first call request may be an SIP message, and the first call request includes a first call number, and may also include other parameters, for example: call type, etc., which are not specifically limited in this embodiment of the present invention. The first call request may be a single call or a group call, so-called single call is a one-to-one call, the group call is a call to a plurality of terminals at one time, if the first call request is a single call, the first call number is a number corresponding to the called terminal, and if the first call request is a group call, the first call number is a broadband group call number or a converged group number. The convergence group is a group established by the user in the home subscriber server, and comprises a plurality of broadband terminals and/or a plurality of narrowband terminals.
Step 202: if the first call request is judged to be the group call service according to the first call number and the fusion group corresponding to the first call number comprises the narrow band terminal completing the cluster registration, the group call is established to the broadband terminal in the fusion group according to the first call request, and the first call request is sent to a mobile switching center, so that the mobile switching center establishes the group call to the corresponding narrow band terminal according to the first call request.
Specifically, for the group call service, each convergence group corresponds to a unique first call number, and the convergence group includes all the broadband terminals and the narrowband terminals in the convergence group, so that the TCF can determine whether the first call request is the group call service according to the first call number, if it is determined that the group call service is the group call service and it is determined that the convergence group corresponding to the first call number includes the narrowband terminal that completes the cluster registration, the TCF needs to establish communication between the broadband terminal and the narrowband terminal, and sends the first call request to a Mobile Switching Center (MSC), and after receiving the first call request, the MSC obtains all the corresponding narrowband terminals according to the convergence group corresponding to the first call number, and establishes the group call for the narrowband terminals. It should be noted that the first call request sent by the TCF to the MSC may also be a SIP message.
Step 203: and establishing group calling for the broadband terminals in the converged group according to the first calling request.
Specifically, after the TCF sends the first call request to the MSC, all the broadband terminals included in the corresponding convergence group are immediately obtained according to the first call number in the first call request, and a group call process is established for the broadband terminals. The TCF establishes group calling for the broadband terminal, and the MSC establishes group calling for the narrowband terminal, thereby realizing the communication of the group calling service between the broadband and narrowband. It should be noted that, if the TCF determines that the corresponding convergence group does not include the narrowband terminal that completes the cluster registration according to the first call request, the TCF does not send the first call request to the MSC, and only sets up the group call for the broadband terminal.
In the embodiment of the invention, if the first call request is judged to be the group call service according to the first call number and the fused group corresponding to the first call number comprises the narrowband terminal, the group call is established for the broadband terminal and the first call request is sent to the mobile switching center, so that the mobile switching center establishes the group call for the narrowband terminal, and the group call service of the broadband terminal and the narrowband terminal is realized without being limited by service capacity.
On the basis of the above embodiment, the first call request further includes a first call type; correspondingly, the establishing a group call for the broadband terminal in the converged group according to the first call request includes:
and establishing group calling for the broadband terminals in the converged group according to the first call type in the first call request.
Specifically, the first call request sent by the TCF receiving the broadband terminal further includes a first call type, where the first call type includes voice or video, and if the first call type is a voice group call service, the TCF establishes a voice group call for the broadband terminal, and meanwhile, the MSC also establishes a voice group call for the narrowband terminal. If the first call type is a video group call service, the TCF establishes a video group call to the broadband terminal, and meanwhile, the MSC establishes a voice group call to the narrowband terminal.
On the basis of the foregoing embodiment, the establishing, by the mobile switching center, a group call for the corresponding narrowband terminal according to the first call request includes:
and the mobile switching center establishes the group call of which the first call type is voice for the corresponding narrowband terminal according to the first call request.
Specifically, since the narrowband terminal does not support services such as video, no matter the first call type in the first call request sent by the wideband terminal to the TCF is voice or video, the MSC establishes a voice group call to the corresponding narrowband terminal according to the first call request.
In the embodiment of the invention, if the first call request is judged to be the group call service according to the first call number and the fused group corresponding to the first call number comprises the narrow-band terminal completing the cluster registration, the group call is established for the broadband terminal and the first call request is sent to the mobile switching center, so that the mobile switching center establishes the group call for the narrow-band terminal, and the group call service of the broadband terminal and the narrow-band terminal is realized without being limited by service capacity.
On the basis of the foregoing embodiment, determining that the first call request is a group call service according to the first call number includes:
and matching the first call number with the fusion group numbers corresponding to all fusion groups stored in the home subscriber server, wherein if the matching is successful, the first call request is a group call service.
Specifically, information of a broadband terminal and a narrowband terminal is stored in an evolved Home Subscriber Server (eHSS), a fusion grouping group number is matched in the eHSS, that is, the eHSS configures a unique fusion group number for each fusion group, and manages the fusion group, and when a user applies for joining the fusion group, the eHSS adds relevant information of the user to the fusion group. Therefore, the eHSS stores a plurality of convergence groups and convergence group numbers, and each convergence group includes information of the broadband terminal and the narrowband terminal. After receiving the first call number, the TCF matches the first call number with the fused group number in the eHSS, if the fused group number corresponding to one fused group in the eHSS is the same as the first call number, the matching is successful, and the first call request is the group call service.
The embodiment of the invention determines the group calling service according to the matching of the fusion group number in the eHSS and the first calling number, establishes the group calling for the broadband terminal through the TCF, and establishes the group calling for the narrowband terminal through the MSC, thereby realizing the broadband-narrowband fusion group calling service and realizing the unified management of the broadband terminal and the narrowband terminal.
On the basis of the above embodiments, the method further includes:
if the broadband terminal and the narrowband terminal are judged to finish the group calling establishment, a first call response message is sent to the broadband calling terminal to finish the group calling service of the broadband terminal and the narrowband terminal.
Specifically, after the MSC completes the group call setup for the narrowband terminal, the MSC sends a message of completion of the setup to the TCF, and if the TCF completes the group call setup for the wideband terminal, the TCF sends a first call response message to the wideband calling terminal to notify the wideband calling terminal that the task of group call setup between the wideband and narrowband has been completed. It should be noted that, in addition to sending the first call response message to the broadband calling terminal, the TCF may also send a message that the group call setup is completed to the converged scheduling station, so that the converged scheduling station manages the broadband terminal and the narrowband terminal in a unified manner.
In the embodiment of the invention, if the first call request is judged to be the group call service according to the first call number and the fused group corresponding to the first call number comprises the narrow-band terminal completing the cluster registration, the group call is established for the broadband terminal and the first call request is sent to the mobile switching center, so that the mobile switching center establishes the group call for the narrow-band terminal, and the group call service of the broadband terminal and the narrow-band terminal is realized without being limited by service capacity.
Fig. 3 is a signaling interaction diagram of a call processing method based on wideband and narrowband fusion according to an embodiment of the present invention, and as shown in fig. 3, the method includes:
step 301: a first call request; if initiating a call, the broadband calling terminal sends a first call request to the TCF through the convergence scheduling station, wherein the first call request includes a first call number and may also include a first call type.
Step 302: SIP (100 Trying); after receiving the first call request, the TCF returns a SIP (100Trying) message to the converged dispatcher station.
Step 303: matching the first calling number with the fusion group number; the TCF analyzes the received first call request to obtain a first call number therein, matches the first call number with a fusion group number in the fusion group, if the matching is successful, the first call request is a group call, if the matching is successful, the first call request includes a narrowband terminal completing cluster registration, step 304 is executed, otherwise, step 307 is executed.
Step 304: a first call request; the TCF sends a first call request to the MSC.
Step 305: : SIP (100 Trying); the MSC returns a SIP (100Trying) message to the TCF after receiving the first call request sent by the TCF.
Step 306: a narrowband terminal group calling establishment process; the MSC obtains all the narrowband terminals that complete the cluster registration from the narrowband cluster system according to the first call request, and establishes a group call process for the narrowband terminals, where it should be noted that, no matter whether the first call type is voice or video, a voice group call is established for the narrowband terminals.
Step 307: establishing a group call of the broadband terminal; if the first call request carries the narrowband terminal, the TCF starts to establish a group call to the broadband terminal according to the first call type after sending the first call request to the MSC.
Step 308: SIP (200 OK); after the MSC completes the group call on the narrowband terminal side, the MSC sends an SIP (200OK) message to the TCF to inform the completion of the group call establishment of the narrowband terminal.
Step 309: sip (ack); the TCF returns a sip (ack) acknowledgement message to the MSC.
Step 310: a call response message; and when the TCF confirms that the group calling of the broadband terminal and the narrowband terminal is established, the TCF sends call response information to the broadband calling terminal.
Step 311: a call completion message; the broadband calling terminal returns a call completion message to the TCF.
In the embodiment of the invention, if the first call request is judged to be the group call service according to the first call number and the fused group corresponding to the first call number comprises the narrow-band terminal completing the cluster registration, the group call is established for the broadband terminal and the first call request is sent to the mobile switching center, so that the mobile switching center establishes the group call for the narrow-band terminal, and the group call service of the broadband terminal and the narrow-band terminal is realized without being limited by service capacity.
Fig. 4 is a schematic flowchart of a call processing method based on narrowband convergence according to another embodiment of the present invention, and as shown in fig. 4, the method includes:
step 401: receiving a second call request sent by a narrowband calling terminal, wherein the second call request comprises a second call number;
specifically, when a narrowband calling terminal initiates a call, a first call request is sent to an MSC, and at this time, the MSC receives a second call request sent by the narrowband calling terminal, where the second call request includes a second call number and may also include other parameters, such as a call type, and the second call request may be a single call or a group call, and if the second call request is a single call, the second call number is a number corresponding to a called terminal, and if the second call request is a group call, the second call number is a converged group number.
Step 402: if the second calling number is judged to be the fused group number according to the second calling number, sending the second calling request to a cluster control function body so that the cluster control function body establishes group calling for the broadband terminal corresponding to the second calling request;
specifically, for the group call service, each convergence group corresponds to a unique second call number, and the convergence group includes all the broadband terminals and the narrowband terminals in the convergence group, so the MSC can determine whether the second call number is a convergence group number according to the second call number, if it is determined that the second call number is the convergence group number, the MSC needs to establish communication between the broadband terminal and the narrowband terminal, the MSC sends the second call request to the TCF, and the TCF obtains the corresponding broadband terminal according to the second call number after receiving the second call request, and establishes the group call for the broadband terminals, where it should be noted that the second call request sent to the TCF by the MSC through the SIP interface is an SIP message.
Step 403: and receiving a group call establishment completion message sent by the cluster control function body, and establishing a group call for the corresponding narrowband terminal in the fusion group according to the second call request.
Specifically, after the TCF completes group call setup for the broadband terminal, the TCF sends a group call setup complete message to the MSC to notify the MSC that the group call of the broadband terminal has been setup, and after receiving the group call setup complete message, the MSC obtains corresponding narrowband terminals according to the second call request, and performs group call setup for the narrowband terminals.
In the embodiment of the invention, if the second calling number is judged to be the fused group number according to the second calling number, the second calling request is sent to the TCF, so that the TCF establishes the group calling establishment of the broadband terminal, and after receiving the group calling establishment completion message sent by the TCF, the group calling is established for the narrowband terminal, thereby realizing the group calling service of the broadband terminal and the narrowband terminal without being limited by service capacity.
On the basis of the foregoing embodiment, determining that the second call request is the group call service according to the second call number includes:
and matching the second calling number with the fused group numbers corresponding to all the fused groups stored in the home subscriber server, wherein if the matching is successful, the second calling number is the fused group number.
Specifically, the information of the broadband terminal and the narrowband terminal is stored in the eHSS, and the fusion grouping group numbers are matched in the eHSS, that is, the eHSS configures a unique fusion group number for each fusion group, manages the fusion group, and adds the relevant information of the user to the fusion group when the user applies to join the fusion group. Therefore, the eHSS stores a plurality of convergence groups and convergence group numbers, and each convergence group includes information of the broadband terminal and the narrowband terminal. And after receiving the second calling number, the MSC matches the second calling number with the fusion group number in the eHSS, and if the fusion group number corresponding to one fusion group in the eHSS is the same as the second calling number, the matching is successful, and the second calling number is the fusion group number.
The embodiment of the invention determines the group calling service according to the matching of the fusion group number in the eHSS and the second calling number, establishes the group calling for the broadband terminal through the TCF, and establishes the group calling for the narrowband terminal through the MSC, thereby realizing the broadband-narrowband fusion group calling service and realizing the unified management of the broadband terminal and the narrowband terminal.
On the basis of the above embodiment, the method further includes:
and if the broadband terminal and the narrowband terminal are judged to finish the group calling establishment, sending a second call response message to the narrowband calling terminal to finish the group calling service of the broadband and narrowband terminal.
Specifically, after completing group call establishment for the broadband terminal, the TCF sends a group call establishment completion message to the MSC, and if the MSC completes group call establishment for the narrowband, the TCF sends a second call response message to the narrowband calling terminal to inform the narrowband calling terminal that the task of group call establishment between the broadband and narrowband has been completed, and at this time, each broadband terminal and narrowband terminal in the convergence group can perform multi-session communication, thereby completing the processing of the group call service of the broadband and narrowband terminal.
In the embodiment of the invention, if the second calling number is judged to be the fused group number according to the second calling number, the second calling request is sent to the TCF, so that the TCF establishes the group calling establishment of the broadband terminal, and after receiving the group calling establishment completion message sent by the TCF, the group calling is established for the narrowband terminal, thereby realizing the group calling service of the broadband terminal and the narrowband terminal without being limited by service capacity.
Fig. 5 is a signaling interaction diagram of a call processing method based on narrowband and wideband fusion according to another embodiment of the present invention, as shown in fig. 5, the method includes:
step 501: a second call request; and the narrowband calling terminal sends a second call request to the MSC, wherein the second call request comprises a second call number and can also comprise a second call type.
Step 502: judging whether the second calling number is a fusion group number; the MSC analyzes the second call request to obtain a second call number therein, matches the second call number with a fused group number in the fused group, if the matching is successful, it indicates that the second call number is the fused group number, then step 503 is executed, otherwise step 508 is executed.
Step 503: a second call request; the MSC sends a second call request to the TCF, which is a SIP (invite) message sent over the SIP interface.
Step 504: SIP (100 Trying); and the TCF returns a SIP (100Trying) message to the MSC after receiving the second call request sent by the MSC.
Step 505: establishing a broadband terminal group call; and the TCF acquires corresponding broadband terminals according to the received second call request and establishes group calls for the broadband terminals.
Step 506: SIP (200 OK); when the TCF completes the group call of the broadband terminal, it sends a SIP (200OK) message to the MSC to inform the MSC that the group call has been completed.
Step 507: sip (ack); the MSC returns a sip (ack) acknowledgement message to the TCF.
Step 508: establishing a narrowband terminal group call; after the MSC learns that the broadband terminal completes the group call establishment, the MSC starts the group call establishment of the narrowband terminal.
Step 509: a second call response message; and when the MSC learns that the broadband terminal and the narrowband terminal complete the group call establishment, the MSC sends call response information to the narrowband calling terminal.
Step 510: a call completion message; the narrowband calling terminal returns a call completion message to the MSC.
In the embodiment of the invention, if the second calling number is judged to be the fused group number according to the second calling number, the second calling request is sent to the TCF, so that the TCF establishes the group calling establishment of the broadband terminal, and after receiving the group calling establishment completion message sent by the TCF, the group calling is established for the narrowband terminal, thereby realizing the group calling service of the broadband terminal and the narrowband terminal without being limited by service capacity.
Fig. 6 is a schematic structural diagram of a cluster control function provided in an embodiment of the present invention, and as shown in fig. 6, the cluster control function includes: a first receiving module 601, a first sending module 602 and a first group call establishing module 603, wherein:
the first receiving module 601 is configured to receive a first call request sent by a broadband calling terminal, where the first call request includes a first call number; the first sending module 602 is configured to send the first call request to a mobile switching center if it is determined according to the first call number that the first call request is the group call service and a convergence group corresponding to the first call number includes a narrowband terminal that completes cluster registration, so that the mobile switching center establishes a group call for the corresponding narrowband terminal according to the first call request; the first group call establishing module 603 is configured to establish a group call for the broadband terminal in the converged group according to the first call request.
Specifically, when the broadband calling terminal initiates a call, a first call request is sent to the first receiving module 601, and at this time, the first receiving module 601 receives the first call request sent by the broadband calling terminal, it should be noted that the first call request may be an SIP message, and the first call request includes a first call number, and may further include other parameters, for example: call type, etc., which are not specifically limited in this embodiment of the present invention. The first sending module 602 may determine whether the first call request is a group call service according to the first call number, if the first call request is determined to be the group call service and it is determined that the convergence group corresponding to the first call number includes a narrowband terminal that completes cluster registration, communication between the broadband terminal and the narrowband terminal needs to be established, the first sending module 602 sends the first call request to the MSC, and after receiving the first call request, the MSC obtains all corresponding narrowband terminals according to the convergence group corresponding to the first call number, and establishes a group call for the narrowband terminals. After the first sending module 602 sends the first call request to the MSC, all the broadband terminals included in the corresponding convergence group are obtained according to the first call number in the first call request, and a group call process is established for these broadband terminals. The first group call establishing module 603 establishes a group call to the broadband terminal, and the MSC establishes a group call to the narrowband terminal, thereby implementing communication of group call service between broadband and narrowband.
The embodiment of the cluster control function body provided by the present invention may be specifically configured to execute the processing flows of the above method embodiments, and the functions of the embodiment are not described herein again, and refer to the detailed description of the above method embodiments.
In the embodiment of the invention, if the first call request is judged to be the group call service according to the first call number and the fused group corresponding to the first call number comprises the narrow-band terminal completing the cluster registration, the group call is established for the broadband terminal and the first call request is sent to the mobile switching center, so that the mobile switching center establishes the group call for the narrow-band terminal, and the group call service of the broadband terminal and the narrow-band terminal is realized without being limited by service capacity.
Fig. 7 is a schematic structural diagram of a mobile switching center according to an embodiment of the present invention, and as shown in fig. 7, the mobile switching center includes: a second receiving module 701, a second sending module 702, and a second group call establishing module 703, wherein:
the second receiving module 701 is configured to receive a second call request sent by the narrowband calling terminal, where the second call request includes a second call number; the second sending module 702 is configured to send the second call request to a trunking control function if it is determined that the second call number is a converged group number according to the second call number, so that the trunking control function establishes a group call for the broadband terminal corresponding to the second call request; the second group call establishing module 703 is configured to receive a group call establishment completion message sent by the trunking control function, and establish a group call to the narrowband terminal in the convergence group according to the second call request.
Specifically, when the narrowband calling terminal initiates a call, a first call request is sent to the second receiving module 701, and at this time, the second receiving module 701 receives a second call request sent by the narrowband calling terminal, where the second call request includes a second call number and may also include other parameters, such as a call type. The second sending module 702 may determine whether the second calling number is a converged group number according to the second calling number, if the second calling number is determined to be the converged group number, communication between the broadband terminal and the narrowband terminal needs to be established, the second sending module 702 sends the second calling request to the TCF, and the TCF obtains the corresponding broadband terminal according to the second calling number after receiving the second calling request, and establishes a group call for the broadband terminals. After the TCF completes group call setup for the broadband terminal, it sends a group call setup complete message to the second group call setup module 703 to inform the second group call setup module 703 that the group call of the broadband terminal has been setup, and after the second group call setup module 703 receives the group call setup complete message, it obtains corresponding narrowband terminals according to the second call request to setup group calls for these narrowband terminals.
The embodiment of the mobile switching center provided by the present invention may be specifically configured to execute the processing flows of the above method embodiments, and the functions of the embodiment are not described herein again, and refer to the detailed description of the above method embodiments.
In the embodiment of the invention, if the second calling number is judged to be the fused group number according to the second calling number, the second calling request is sent to the TCF, so that the TCF establishes the group calling establishment of the broadband terminal, and after receiving the group calling establishment completion message sent by the TCF, the group calling is established for the narrowband terminal, thereby realizing the group calling service of the broadband terminal and the narrowband terminal without being limited by service capacity.
Fig. 8 is a schematic structural diagram of a call processing system based on narrowband convergence, where as shown in fig. 8, the system includes: a broadband cluster system 801, a narrowband cluster system 802, a switching control center 803 and a fusion dispatching desk 804; wherein,
the switching control center 803 comprises a cluster control function 8031, a cluster media function 8032 and a home subscriber server 8033, and is configured to manage the broadband cluster system 801 and the narrowband cluster system 802;
specifically, the Trunking Control Function (TCF)8031 is configured to perform signaling transmission between the broadband terminal 8013 and the convergence scheduler 804, and between the narrowband terminal 8022 and the convergence scheduler 804, and if the convergence scheduler 804 needs to acquire the position information, the call state, and the like of the broadband terminal 8013 or the narrowband terminal 8022 through the TCF, the broadband terminal 8013 and the narrowband terminal 8022 report the corresponding state information to the convergence scheduler through the TCF. The group media function (TMF)8032 is used for data transmission between the broadband terminal 8013 and the convergence scheduler 804, and between the narrowband terminal 8022 and the convergence scheduler 804. Thus, scheduling for wideband terminal 8013 and narrowband terminal 8022 is accomplished through TCF and TMF. The home subscriber server (eHSS)8033 is configured to store subscription information of a user, and implement unified management on subscription and registration information of users of the broadband terminal 8013 and the narrowband terminal 8022.
The broadband trunking system 801 includes a gateway 8011, a mobility management unit 8012 and a broadband terminal 8013, and is configured to send a call request to the switching control center 803 and receive a control instruction of the switching control center 803;
specifically, the broadband trunking system 801 further includes a base station 8014, and thus the gateway (xGW)8011, the mobile management unit (eMME)8012, the broadband terminal 8013, and the base station 8014 form the broadband trunking system.
The narrowband trunking system 802 includes a mobile switching center 8021 and a narrowband terminal 8022, and is configured to send a call request to the switching control center 803, and receive a control instruction of the switching control center 803;
specifically, the narrowband trunking system 802 further includes a base station 8023 and a Base Station Controller (BSC)8024, and the mobile switching center 8021, the narrowband terminal 8022, the base station 8023, and the Base Station Controller (BSC)8024 form a narrowband trunking system. The signaling between the narrowband cluster system and the broadband cluster system is intercommunicated through an SIP protocol.
The converged scheduler 804 includes a plurality of servers for providing services to the broadband terminal and the narrowband terminal. The convergence dispatching desk 804 comprises a plurality of servers such as an application system, a security server, an application server, a position server and a comprehensive network management server, and unified recording, positioning, security and other application servers are used, so that unified management of information such as security encryption, positioning, recording and video recording and the like of the broadband terminal and the narrowband terminal is facilitated.
It should be noted that the system further includes an operation and maintenance center 805, which is used for a manager to perform unified management on all the broadband terminals and the narrowband terminals in the system through the operation and maintenance center.
The embodiment of the invention communicates the broadband cluster system and the narrowband cluster system through the MSC, carries out the interaction of signaling and data through the SIP protocol, realizes the unified management of the broadband cluster and the narrowband cluster, and replaces an air interface gateway through the MSC, thereby solving the problem that the parallel service capacity is the first problem caused by that one air interface gateway can only serve one narrowband terminal.
Fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 9, the electronic device includes: a processor (processor)901, a memory (memory)902, and a bus 903; wherein,
the processor 901 and the memory 902 complete communication with each other through the bus 903;
the processor 901 is configured to call program instructions in the memory 902 to perform the methods provided by the above-mentioned method embodiments, for example, including: receiving a first call request sent by a broadband calling terminal, wherein the first call request comprises a first call number; if the first call request is judged to be the group call service according to the first call number and the fusion group corresponding to the first call number comprises the narrow band terminal completing the cluster registration, the first call request is sent to a mobile switching center so that the mobile switching center establishes the group call for the corresponding narrow band terminal according to the first call request; and establishing group calling for the broadband terminals in the converged group according to the first calling request.
The present embodiment discloses a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the method provided by the above-mentioned method embodiments, for example, comprising: receiving a first call request sent by a broadband calling terminal, wherein the first call request comprises a first call number; if the first call request is judged to be the group call service according to the first call number and the fusion group corresponding to the first call number comprises the narrow band terminal completing the cluster registration, the first call request is sent to a mobile switching center so that the mobile switching center establishes the group call for the corresponding narrow band terminal according to the first call request; and establishing group calling for the broadband terminals in the converged group according to the first calling request.
The present embodiments provide a non-transitory computer-readable storage medium storing computer instructions that cause the computer to perform the methods provided by the above method embodiments, for example, including: receiving a first call request sent by a broadband calling terminal, wherein the first call request comprises a first call number; if the first call request is judged to be the group call service according to the first call number and the fusion group corresponding to the first call number comprises the narrow band terminal completing the cluster registration, the first call request is sent to a mobile switching center so that the mobile switching center establishes the group call for the corresponding narrow band terminal according to the first call request; and establishing group calling for the broadband terminals in the converged group according to the first calling request.
Fig. 10 is a schematic structural diagram of an electronic device according to another embodiment of the present invention, as shown in fig. 10, the electronic device includes: a processor (processor)1001, a memory (memory)1002, and a bus 1003; wherein,
the processor 1001 and the memory 1002 complete communication with each other through the bus 1003;
the processor 1001 is configured to call the program instructions in the memory 1002 to execute the methods provided by the above-mentioned method embodiments, for example, including: receiving a second call request sent by a narrowband calling terminal, wherein the second call request comprises a second call number; if the second calling number is judged to be the fused group number according to the second calling number, sending the second calling request to a cluster control function body so that the cluster control function body establishes group calling for the broadband terminal corresponding to the second calling request; and receiving a group call establishment completion message sent by the cluster control function body, and establishing a group call for the narrow-band terminals in the fusion group according to the second call request.
The present embodiment discloses a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the method provided by the above-mentioned method embodiments, for example, comprising: receiving a second call request sent by a narrowband calling terminal, wherein the second call request comprises a second call number; if the second calling number is judged to be the fused group number according to the second calling number, sending the second calling request to a cluster control function body so that the cluster control function body establishes group calling for the broadband terminal corresponding to the second calling request; and receiving a group call establishment completion message sent by the cluster control function body, and establishing a group call for the narrow-band terminals in the fusion group according to the second call request.
The present embodiments provide a non-transitory computer-readable storage medium storing computer instructions that cause the computer to perform the methods provided by the above method embodiments, for example, including: receiving a second call request sent by a narrowband calling terminal, wherein the second call request comprises a second call number; if the second calling number is judged to be the fused group number according to the second calling number, sending the second calling request to a cluster control function body so that the cluster control function body establishes group calling for the broadband terminal corresponding to the second calling request; and receiving a group call establishment completion message sent by the cluster control function body, and establishing a group call for the narrow-band terminals in the fusion group according to the second call request.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
The above-described embodiments of the apparatuses and the like are merely illustrative, wherein the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (15)
1. A call processing method based on wide-band and narrow-band fusion is characterized by comprising the following steps:
receiving a first call request sent by a broadband calling terminal, wherein the first call request comprises a first call number;
if the first call request is judged to be the group call service according to the first call number and the fusion group corresponding to the first call number comprises the narrow band terminal completing the cluster registration, the first call request is sent to a mobile switching center so that the mobile switching center establishes the group call for the corresponding narrow band terminal according to the first call request;
and establishing group calling for the broadband terminals in the converged group according to the first calling request.
2. The method of claim 1, wherein the first call request further comprises a first call type; correspondingly, the establishing a group call for the broadband terminal in the converged group according to the first call request includes:
and establishing group calling for the broadband terminals in the converged group according to the first call type in the first call request.
3. The method of claim 2, wherein the mobile switching center establishes a group call for the corresponding narrowband terminal according to the first call request, and the method comprises:
and the mobile switching center establishes the group call of which the first call type is voice for the corresponding narrowband terminal according to the first call request.
4. The method of claim 1, wherein determining that the first call request is for a group call service according to the first call number comprises:
and matching the first call number with the fusion group numbers corresponding to all fusion groups stored in the home subscriber server, wherein if the matching is successful, the first call request is a group call service.
5. The method according to any one of claims 1-4, further comprising:
if the broadband terminal and the narrowband terminal are judged to finish the group calling establishment, a calling response message is sent to the broadband calling terminal to finish the group calling service of the broadband and narrowband terminal.
6. A call processing method based on wide-band and narrow-band fusion is characterized by comprising the following steps:
receiving a second call request sent by a narrowband calling terminal, wherein the second call request comprises a second call number;
if the second calling number is judged to be the fused group number according to the second calling number, sending the second calling request to a cluster control function body so that the cluster control function body establishes group calling for the broadband terminal corresponding to the second calling request;
and receiving a group call establishment completion message sent by the cluster control function body, and establishing a group call for the narrow-band terminals in the fusion group according to the second call request.
7. The method of claim 6, wherein determining that the second calling number is a fused group number according to the second calling number comprises:
and matching the second calling number with the fused group numbers corresponding to all the fused groups stored in the home subscriber server, wherein if the matching is successful, the second calling number is the fused group number.
8. The method of claim 6 or 7, further comprising:
if the broadband terminal and the narrowband terminal are judged to finish the group calling establishment, a calling response message is sent to the narrowband calling terminal to finish the group calling service of the broadband and narrowband terminal.
9. A cluster control function, comprising:
the first receiving module is used for receiving a first call request sent by a broadband calling terminal, wherein the first call request comprises a first call number;
a first sending module, configured to send the first call request to a mobile switching center if it is determined according to the first call number that the first call request is a group call service and a convergence group corresponding to the first call number includes a narrowband terminal that completes cluster registration, so that the mobile switching center establishes a group call for the corresponding narrowband terminal according to the first call request;
and the first group call establishing module is used for establishing group calls for the broadband terminals in the converged group according to the first call request.
10. A mobile switching center, comprising:
the second receiving module is used for receiving a second call request sent by the narrowband calling terminal, wherein the second call request comprises a second call number;
a second sending module, configured to send the second call request to a trunking control function if it is determined that the second call number is a converged group number according to the second call number, so that the trunking control function establishes a group call for the broadband terminal corresponding to the second call request;
and the second group call establishing module is used for receiving the group call establishing completion message sent by the cluster control function body and establishing the group call for the narrow-band terminal in the fusion group according to the second call request.
11. A call processing system based on wideband and narrowband convergence, comprising: the system comprises a broadband cluster system, a narrowband cluster system, a switching control center and a fusion dispatching desk; wherein,
the exchange control center comprises a cluster control function body, a cluster media function body and a home subscriber server and is used for managing the broadband cluster system and the narrowband cluster system;
the broadband trunking system comprises a gateway, a mobile management unit and a broadband terminal, and is used for sending a call request to the switching control center and receiving a control instruction of the switching control center;
the narrowband cluster system comprises a mobile switching center and a narrowband terminal, and is used for sending a call request to the switching control center and receiving a control instruction of the switching control center;
the converged scheduling station comprises a plurality of servers for providing services for the broadband terminal and the narrowband terminal.
12. An electronic device, comprising: a processor, a memory, and a bus, wherein,
the processor and the memory are communicated with each other through the bus;
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any one of claims 1-5.
13. A non-transitory computer-readable storage medium storing computer instructions that cause a computer to perform the method of any one of claims 1-5.
14. An electronic device, comprising: a processor, a memory, and a bus, wherein,
the processor and the memory are communicated with each other through the bus;
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any one of claims 6-8.
15. A non-transitory computer-readable storage medium storing computer instructions that cause a computer to perform the method of any one of claims 6-8.
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