CN108259411B - Communication optimization method of video push service, cluster control function body and dispatching desk - Google Patents
Communication optimization method of video push service, cluster control function body and dispatching desk Download PDFInfo
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- CN108259411B CN108259411B CN201611238317.4A CN201611238317A CN108259411B CN 108259411 B CN108259411 B CN 108259411B CN 201611238317 A CN201611238317 A CN 201611238317A CN 108259411 B CN108259411 B CN 108259411B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1083—In-session procedures
- H04L65/1089—In-session procedures by adding media; by removing media
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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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 invention provides a communication optimization method of a video push service, a cluster control function body and a dispatching desk, wherein the optimization method comprises the steps of receiving a video push request sent by the dispatching desk in a broadband cluster system, and sending video push confirmation information to the dispatching desk according to the video push request; and sending a one-way call request to each corresponding user terminal according to each user dialing code in the video pushing request, so that each user terminal establishes a one-way video communication connection with the dispatching desk according to the received one-way call request. The invention ensures that the dispatching desk can be respectively connected with the plurality of user terminals in video communication only by once pushing, effectively improves the pushing efficiency of the video pushing service, reduces the redundant influence on the broadband trunking communication system caused by the whole pushing process, and further ensures the reliability and stability of the video pushing service.
Description
Technical Field
The invention relates to the technical field of broadband trunking communication, in particular to a communication optimization method of video push service, a trunking control function body and a dispatching desk.
Background
The general technical requirements of a broadband trunking communication (B-TrunC) system based on the LTE technology have already completed a first phase, where a rel 1 version has been released from a trunking core network to a dispatch station interface, which specifies in detail an interface model, a signaling flow, an SIP signaling message format, an SIP signaling message, an SIP information unit, and the like from the trunking core network to the dispatch station, and a communication structure diagram in the broadband trunking communication system is shown in fig. 1.
The video push function is one of the important functions of the video scheduling service of the scheduling station. This function allows a one-way video session initiated by the dispatcher to push local camera video or video files to user terminals in the group or to individual user terminals.
The video push function in the current specification only allows the scheduling station to push a local video to one UE at a time, and if the scheduling station pushes the local video to a plurality of arbitrary UEs, the scheduling station needs to initiate a plurality of push processes, and an interface flow defined by the scheduling station is shown in fig. 2, which causes the defects of redundancy of the system and low video push service efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a communication optimization method of a video push service, a cluster control function body and a dispatching desk, so that the dispatching desk can be respectively connected with a plurality of user terminals in a video communication mode only by once pushing, the pushing efficiency of the video push service is effectively improved, the redundancy of the whole pushing process on a broadband cluster communication system is reduced, and the reliability and the stability of the video push service are further ensured.
In order to solve the technical problems, the invention provides the following technical scheme:
in one aspect, the present invention provides a communication optimization method for a video push service, where the method includes:
receiving a video pushing request sent by a dispatching desk in a broadband trunking system, wherein the video pushing request comprises a user dialing code corresponding to at least one user terminal to be pushed and the current state of the dispatching desk;
sending video pushing confirmation information to the dispatching desk according to the video pushing request;
and sending a one-way call request to each corresponding user terminal according to each user dialing code in the video pushing request, so that each user terminal establishes a one-way video communication connection with the dispatching desk according to the received one-way call request.
Further, the sending a one-way call request to each corresponding user terminal according to each user dialing code in the video push request includes:
receiving video push establishment information sent by the dispatching desk;
acquiring the corresponding video push request according to the video push establishment information;
and respectively sending a one-way call request to each corresponding user terminal according to each user dialing code in the video push request.
Further, the method further comprises:
and after each user terminal establishes unidirectional video communication connection with the dispatching desk, sending a unidirectional video communication connection establishment notice to the dispatching desk, wherein the unidirectional video communication connection establishment notice comprises user dialing codes corresponding to all the user terminals of the unidirectional video communication connection.
Further, the method further comprises:
after learning that a certain user terminal sends an active connection stopping action, sending a user connection stopping notification to the dispatching desk, wherein the user connection stopping notification comprises a user dialing code corresponding to the user terminal and the current state of the user terminal;
and receiving the user connection stopping confirmation information sent by the dispatching desk.
Further, the method further comprises:
after receiving the dispatching desk connection stopping information sent by the dispatching desk, sending dispatching desk connection stopping confirmation information to the dispatching desk, so that the dispatching desk initiates connection stopping action according to the dispatching desk connection stopping confirmation information;
and respectively sending the dispatching desk connection stopping confirmation information to each user terminal which currently establishes the unidirectional video communication connection, wherein the dispatching desk connection stopping confirmation information comprises a user dialing code corresponding to the user terminal and the current state of the dispatching desk.
Further, the method further comprises:
after receiving connection updating information sent by the dispatching desk, sending updating confirmation information to the dispatching desk, wherein the connection updating information comprises user dialing codes corresponding to user terminals to be added or deleted;
and sending a one-way call request to a corresponding user terminal in the connection update information according to the update establishment information sent by the dispatching desk, so that the user terminal establishes or cancels a one-way video communication connection establishment notification with the dispatching desk according to the received one-way call request.
In one aspect, the present invention provides a communication optimization method for a video push service, where the method includes:
sending a video pushing request to a cluster control function body in a broadband cluster system, wherein the video pushing request comprises a user dialing code corresponding to at least one user terminal to be pushed and the current state of a request sender;
receiving video push confirmation information sent by the cluster control function body;
and determining that each user terminal receives the one-way call request sent by the cluster control function body, and respectively establishing one-way video communication connection with each user terminal.
Further, the receiving the video push confirmation information sent by the cluster control function further includes:
and sending video push establishment information to the cluster control function body according to the video push confirmation information.
In one aspect, the present invention provides a cluster control function, including:
the system comprises a video push request receiving unit, a video push request receiving unit and a video push request transmitting unit, wherein the video push request receiving unit is used for receiving a video push request transmitted by a dispatching desk in a broadband trunking system, and the video push request comprises a user dialing code corresponding to at least one user terminal to be pushed and the current state of the dispatching desk;
a video push confirmation information sending unit, configured to send video push confirmation information to the dispatching desk according to the video push request;
and the unidirectional call request sending unit is used for sending unidirectional call requests to corresponding user terminals according to the dialing codes of the users in the video pushing requests, so that the user terminals establish unidirectional video communication connection with the dispatching desk according to the received unidirectional call requests.
In another aspect, the present invention further provides a dispatching desk, including:
a video push request sending unit, configured to send a video push request to a trunking control function in a broadband trunking system, where the video push request includes a user dialing code corresponding to at least one user terminal to be pushed and a current state of a request sender;
a video push confirmation information receiving unit, configured to receive video push confirmation information sent by the cluster control function;
and the unidirectional video communication connection unit is used for determining that each user terminal receives the unidirectional call request sent by the cluster control function body and establishing unidirectional video communication connection with each user terminal respectively.
According to the technical scheme, the communication optimization method, the cluster control function body and the dispatching desk of the video push service are characterized in that the optimization method receives a video push request sent by the dispatching desk in a broadband cluster system, and sends video push confirmation information to the dispatching desk according to the video push request; sending a one-way call request to each corresponding user terminal according to each user dialing code in the video pushing request, so that each user terminal establishes a one-way video communication connection with the dispatching desk according to the received one-way call request; the dispatching desk can be respectively connected with the user terminals in a video communication mode only through once pushing, the pushing efficiency of the video pushing service is effectively improved, the redundant influence of the whole pushing process on the broadband trunking communication system is reduced, and the reliability and the stability of the video pushing service are guaranteed.
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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a communication structure in a broadband trunking communication system in the prior art;
fig. 2 is a schematic diagram illustrating an interface flow in video push in the prior art;
fig. 3 is a flowchart illustrating a first specific implementation manner of a communication optimization method for a video push service in a first embodiment of the present invention;
fig. 4 is a flowchart illustrating step 300 of a communication optimization method according to a second embodiment of the present invention;
fig. 5 is a flowchart illustrating a communication optimization method according to a third embodiment of the present invention, including step 400;
fig. 6 is a flowchart illustrating steps 501 and 502 of a communication optimization method according to a fourth embodiment of the present invention;
fig. 7 is a schematic flowchart of steps 601 and 602 in a communication optimization method according to a fifth embodiment of the present invention;
fig. 8 is a flowchart illustrating steps 701 and 702 in a communication optimization method according to a sixth embodiment of the present invention;
fig. 9 is a flowchart illustrating a second specific implementation manner of a communication optimization method for a video push service in a seventh embodiment of the present invention;
fig. 10 is a flowchart illustrating a communication optimization method according to an eighth embodiment of the present invention, which includes step D00;
fig. 11 is a schematic diagram of a traffic flow of video push setup in an application example of the present invention;
FIG. 12 is a flow chart of a service flow for a dispatcher station to initiate video push termination in an application example of the present invention;
fig. 13 is a schematic view of a service flow of a user equipment UE initiating a video push termination in an application example of the present invention;
fig. 14 is a service flow diagram of a user equipment UE initiating a video push update service in an application example of the present invention;
fig. 15 is a schematic structural diagram of a cluster control function according to a ninth embodiment of the present invention;
fig. 16 is a schematic structural diagram of a dispatcher station in the tenth embodiment of the 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.
The embodiment of the invention provides a first specific implementation manner of a communication optimization method of a video push service. Referring to fig. 3, the communication optimization method specifically includes the following steps:
step 100: and receiving a video push request sent by a dispatching station in the broadband trunking system.
In this step, in the broadband trunking system, the trunking control function receives a video push request sent by the dispatching desk, where the video push request includes a user dialing code corresponding to at least one user terminal to be pushed, and a current state of the dispatching desk.
Step 200: and sending video push confirmation information to the dispatching desk according to the video push request.
In this step, the cluster control function body confirms the received video push request and sends video push confirmation information to the dispatching desk.
Step 300: and sending a one-way call request to each corresponding user terminal according to each user dialing code in the video pushing request, so that each user terminal establishes a one-way video communication connection with the dispatching desk according to the received one-way call request.
In this step, the trunking control function body sends a one-way call request to each corresponding user terminal in the video push request according to each user dialing code in the video push request, so that each user terminal establishes a one-way video communication connection with the dispatching desk according to the received one-way call request; for example, when the video push request includes a user dialing code corresponding to a user terminal to be pushed, the trunking control function body sends a one-way call request only to the user terminal corresponding to the video push request, so that the user terminal establishes a one-way video communication connection with the dispatching desk according to the received one-way call request; if the video push request comprises user dialing codes corresponding to two or more user terminals to be pushed, the cluster control function body respectively sends one-way call requests to the two or more user terminals corresponding to the video push request, so that the two or more user terminals respectively establish one-way video communication connection with the dispatching desk according to the one-way call requests received by the two or more user terminals.
As can be seen from the above description, the embodiments of the present invention enable the dispatch station to be capable of video communication connection with multiple user terminals only by once pushing, thereby effectively improving the pushing efficiency of the video pushing service.
The second embodiment of the present invention provides a specific implementation manner of step 300 in the communication optimization method. Referring to fig. 4, the step 300 specifically includes the following steps:
step 301: and receiving video push establishment information sent by the dispatching desk.
Step 302: and acquiring the corresponding video push request according to the video push establishment information.
Step 303: and respectively sending a one-way call request to each corresponding user terminal according to each user dialing code in the video push request.
As can be seen from the above description, the embodiment of the present invention provides a specific implementation manner in which the cluster control function sends the one-way call request to each corresponding user terminal, so as to avoid the defect of system redundancy caused by initiating a multiple push process by the dispatcher.
The third embodiment of the present invention provides a specific implementation manner including step 400 in the above communication optimization method. Referring to fig. 5, the step 400 specifically includes the following steps:
step 400: and after each user terminal establishes unidirectional video communication connection with the dispatching desk, sending a unidirectional video communication connection establishment notice to the dispatching desk.
In the above step, the one-way video communication connection establishment notification includes user dialing codes corresponding to all user terminals connected by one-way video communication.
From the above description, the embodiments of the present invention enable the whole communication process of the video push service to be complete and have high reliability.
The fourth embodiment of the present invention provides a specific implementation manner of the communication optimization method including steps 501 and 502. Referring to fig. 6, the steps 501 and 502 specifically include the following steps:
step 501: and after knowing that a certain user terminal sends out an active connection stopping action, sending a user connection stopping notification to the dispatching desk.
In the above steps, the cluster control function body learns that a certain user terminal sends an active connection stopping action, and sends a user connection stopping notification to the dispatching desk, where the user connection stopping notification includes a user dialing code corresponding to the user terminal and a current state of the user terminal.
Step 502: and receiving the user connection stopping confirmation information sent by the dispatching desk.
As can be seen from the above description, the embodiment of the present invention enables the ue in the video push service to actively drop out of the call at any time, and this behavior does not affect other ues to continue the video communication connection.
Embodiment five of the present invention provides a specific implementation manner of the communication optimization method including steps 601 and 602. Referring to fig. 7, the steps 601 and 602 specifically include the following steps:
step 601: after receiving the dispatching desk connection stopping information sent by the dispatching desk, sending dispatching desk connection stopping confirmation information to the dispatching desk, so that the dispatching desk initiates connection stopping action according to the dispatching desk connection stopping confirmation information.
Step 602: and respectively sending the dispatching desk connection stopping confirmation information to each user terminal which currently establishes the unidirectional video communication connection, wherein the dispatching desk connection stopping confirmation information comprises a user dialing code corresponding to the user terminal and the current state of the dispatching desk.
As can be seen from the above description, the embodiments of the present invention implement that the scheduling station in the video push service can perform communication connection interruption, and ensure the integrity and reliability of the whole communication process.
Sixth embodiment of the present invention provides a specific implementation manner of the communication optimization method including steps 701 and 702. Referring to fig. 8, the steps 701 and 702 specifically include the following steps:
step 701: and after receiving the connection updating information sent by the dispatching desk, sending updating confirmation information to the dispatching desk.
In this step, the connection update information includes a user dialing code corresponding to the user terminal to be added or deleted;
step 702: and sending a one-way call request to a corresponding user terminal in the connection updating information according to the updating establishment information sent by the dispatching desk, so that the user terminal establishes or cancels a one-way video communication connection establishment notice with the dispatching desk according to the received one-way call request.
As can be seen from the above description, the embodiment of the present invention provides a specific implementation manner for adding or deleting communication connection by a scheduling console in a video push service, so as to ensure the integrity and stability of video push service communication in a broadband trunking system.
The seventh embodiment of the present invention provides a second specific implementation manner of a communication optimization method for a video push service. Referring to fig. 9, the communication optimization method specifically includes the following steps:
step A00: and sending a video push request to a cluster control function body in the broadband cluster system.
In this step, the dispatching desk sends a video pushing request to a cluster control function body in the broadband cluster system, wherein the video pushing request comprises a user dialing code corresponding to at least one user terminal to be pushed and the current state of a request sender.
Step B00: and receiving video push confirmation information sent by the cluster control function body.
In this step, the dispatching desk receives the video push confirmation information sent by the cluster control function.
Step C00: and determining that each user terminal receives the one-way call request sent by the cluster control function body, and respectively establishing one-way video communication connection with each user terminal.
In this step, the dispatching desk determines that each user terminal receives the one-way call request sent by the trunking control function, and the dispatching desk establishes a one-way video communication connection with each user terminal, so that each user terminal establishes a one-way video communication connection with the dispatching desk according to the received one-way call request.
As can be seen from the above description, the embodiments of the present invention enable the dispatch station to be capable of video communication connection with multiple user terminals only by once pushing, thereby effectively improving the pushing efficiency of the video pushing service.
Embodiment eight of the present invention provides a specific implementation manner that includes step D00 in the above communication optimization method. Referring to fig. 10, the step D00 specifically includes the following steps:
step D00: and sending video push establishment information to the cluster control function body according to the video push confirmation information.
As can be seen from the above description, the embodiment of the present invention ensures the integrity and stability of the video push service communication in the broadband trunking system.
For further explaining the scheme, the invention also provides an application example of the communication optimization method of the video push service. The communication optimization method specifically comprises the following steps:
s1: video push establishment:
s01: the dispatching desk DC sends a video pushing request (invite) to a cluster control function TCF in the broadband cluster system, wherein the video pushing request (invite) comprises a user dialing code UDN corresponding to at least one user terminal UE to be pushed, and the current state of a sender is requested to be in an off-hook mode.
S02: the method comprises the steps that a cluster control function body TCF receives a video push request (invite) sent by a dispatching desk in a broadband cluster system, wherein the video push request (invite) comprises a user dialing code UDN corresponding to at least one user terminal UE to be pushed, and the current state of a dispatching desk DC is an off-hook mode.
S03: and the TCF sends video push confirmation information (200OK) to the DC according to the video push request (invite) and carries Online Call Id information.
S04: the dispatcher DC receives the video push acknowledge information (200OK) sent by the cluster control function TCF.
S05: and the dispatching desk DC sends video push establishment information (ACK) to the cluster control function body TCF according to the video push confirmation information (200 OK).
S06: and the TCF receives video push establishment information (ACK) sent by the DC.
S07: and the TCF acquires the corresponding video push request (invite) according to the video push establishment information (ACK).
S08: the TCF sends unidirectional call requests to corresponding user terminals UE according to the user dialing codes UDN in the video push request (invite); and enabling each user terminal UE to establish unidirectional video communication connection with the dispatching desk DC according to the received unidirectional call request.
S09: and the dispatching station DC determines that each user terminal UE receives the one-way call request sent by the cluster control function TCF, and establishes one-way video communication connection with each user terminal UE respectively.
S10: after establishing unidirectional video communication connection between each user terminal UE and the scheduling station DC, the TCF sends a unidirectional video communication connection establishment notification (MASSAGE) to the scheduling station DC, wherein the unidirectional video communication connection establishment notification (MASSAGE) comprises user dialing codes UDN corresponding to all the user terminals UE which are in unidirectional video communication connection.
The service flow chart established by the video push is shown in fig. 11:
1) the DC sends an INVITE message to the TCF carrying one or more UDNs to be pushed, and an off-hook mode.
2) The TCF replies 200OK to DC, carrying an Online Call Id.
3) The DC sends an ACK to the TCF.
4) And the TCF initiates a single call establishment process to each UE according to the number of the UE to be pushed.
5) And sending a MESSAGE notification to the DC according to the pushing result of each UE, wherein the MESSAGE notification carries the UDN and the pushing result.
S2: the dispatcher station DC initiates the video push to end.
S21: after receiving the dispatching desk connection stopping information sent by the dispatching desk DC, the cluster control function body TCF sends dispatching desk connection stopping confirmation information (200OK) to the dispatching desk DC, so that the dispatching desk DC initiates connection stopping action according to the dispatching desk connection stopping confirmation information;
s22: the TCF sends the connection stopping confirmation information (200OK) of the dispatching desk to each user terminal which establishes the unidirectional video communication connection currently, and the connection stopping confirmation information of the dispatching desk comprises a user dialing code UDN corresponding to the user terminal and the current state of the dispatching desk DC.
The service flow chart of the dispatcher DC initiating video push termination is shown in fig. 12:
1) the DC sends a BYE message to the TCF.
2) The TCF replies 200OK to the DC.
3) And the TCF initiates a release establishment process to each UE according to the number of the UE to be pushed.
S3: and the user terminal UE initiates the video pushing to end.
S31: after knowing that a certain user terminal UE sends an active connection stopping action, the TCF sends a user connection stopping notification to the DC, where the user connection stopping notification includes a user dialing code UDN corresponding to the user terminal UE and a current state of the user terminal UE.
S32: the cluster control function TCF receives the user connection termination acknowledgement (200OK) sent by the dispatcher DC.
The service flow chart of the user equipment UE initiating the video push termination is shown in fig. 13:
1) the UE initiates a single call release procedure.
2) The TCF sends a MESSAGE notification to the DC, carrying the UDN and the push result (UE actively releases).
3) The DC replies 200OK to the TCF.
S4: and (5) video push updating service.
S41: after receiving the connection update information sent by the dispatching desk DC, the TCF sends update confirmation information (200OK) to the dispatching desk DC, where the connection update information includes a user dialing code UDN corresponding to the user terminal UE to be added or deleted.
S42: and the TCF sends a unidirectional call request to a corresponding user terminal UE in the connection update information according to the update establishment information sent by the dispatching desk DC, so that the user terminal UE establishes or cancels a unidirectional video communication connection establishment notice (MASSAGE) with the dispatching desk DC according to the received unidirectional call request.
A service flow chart of the user equipment UE initiating the video push update service is shown in fig. 14:
adding:
1) the DC sends a reINVITE message to the TCF carrying one or more UDNs to which the push is to be added.
2) The TCF replies 200OK to the DC.
3) The DC sends an ACK to the TCF.
4) And the TCF initiates a single call establishment process to each UE according to the number of the added push UEs.
5) Sending a MESSAGE notification to the DC according to the pushing result of each UE, wherein the MESSAGE notification carries the UDN and the pushing result
And (3) deleting:
1) the DC sends a reINVITE message to the TCF carrying one or more UDNs to delete the push.
2) The TCF replies 200OK to the DC.
3) And the TCF initiates a single call release process to each UE according to the quantity of the deleted pushed UEs.
As can be seen from the above description, the application example of the present invention realizes that video push can be pushed to multiple user terminals at a time, and allows a scheduling station to arbitrarily select multiple UEs for local video push; the user terminal can release the video push of the user terminal, the UE in the video push can actively quit calling at any time, and the behavior does not influence other UE to continue the service; meanwhile, the video push of the dispatching desk can add or delete the push user terminal in the service.
The EPC in fig. 11 to 14 above is a 4G core network; the eNB is a base station; the UEx is a plurality of user terminals.
The ninth embodiment of the present invention provides a specific implementation manner of a cluster control function body that can implement the communication optimization method. Referring to fig. 15, the cluster control function specifically includes the following contents:
a video push request receiving unit 10, configured to receive a video push request sent by a dispatch station in a broadband trunking system, where the video push request includes a user dialing code corresponding to at least one user terminal to be pushed, and a current state of the dispatch station.
A video push confirmation information sending unit 20, configured to send video push confirmation information to the dispatching desk according to the video push request.
A one-way call request sending unit 30, configured to send a one-way call request to each corresponding user terminal according to each user dialing code in the video push request, so that each user terminal establishes a one-way video communication connection with the dispatch table according to the received one-way call request.
As can be seen from the above description, the embodiments of the present invention enable the dispatch station to be capable of video communication connection with multiple user terminals only by once pushing, thereby effectively improving the pushing efficiency of the video pushing service.
The embodiment of the present invention provides a specific implementation manner of a dispatching desk, which can implement the communication optimization method. Referring to fig. 16, the dispatch station specifically includes the following:
a video push request sending unit a0, configured to send a video push request to a trunking control function in a broadband trunking system, where the video push request includes a user dialing code corresponding to at least one user terminal to be pushed, and a current state of a request sender.
A video push acknowledgement receiving unit B0, configured to receive the video push acknowledgement sent by the cluster control function.
A unidirectional video communication connection unit C0, configured to determine that each of the user terminals receives a unidirectional call request sent by the trunking control function, and establish a unidirectional video communication connection with each of the user terminals respectively.
As can be seen from the above description, the embodiments of the present invention enable the dispatch station to be capable of video communication connection with multiple user terminals only by once pushing, thereby effectively improving the pushing efficiency of the video pushing service.
The above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; 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 (9)
1. A communication optimization method for video push service is applied to a cluster control function (TCF), and the method comprises the following steps:
receiving a video pushing request sent by a dispatching desk DC in a broadband trunking system, wherein the video pushing request comprises user dialing codes UDNs corresponding to all user terminals to be pushed and the current state of the dispatching desk;
sending video pushing confirmation information to the dispatching desk according to the video pushing request;
sending a one-way call request to each corresponding user terminal according to each user dialing code in the video pushing request, so that each user terminal establishes a one-way video communication connection with the dispatching desk according to the received one-way call request;
and after each user terminal establishes unidirectional video communication connection with the dispatching desk, sending a unidirectional video communication connection establishment notification to the dispatching desk, wherein the unidirectional video communication connection establishment notification comprises user dialing codes corresponding to all the user terminals of the unidirectional video communication connection.
2. The method according to claim 1, wherein the sending a one-way call request to each corresponding user terminal according to each user dialing code in the video push request comprises:
receiving video push establishment information sent by the dispatching desk;
acquiring the corresponding video push request according to the video push establishment information;
and respectively sending a one-way call request to each corresponding user terminal according to each user dialing code in the video push request.
3. The method of claim 1, further comprising:
after learning that a certain user terminal sends an active connection stopping action, sending a user connection stopping notification to the dispatching desk, wherein the user connection stopping notification comprises a user dialing code corresponding to the user terminal and the current state of the user terminal;
and receiving the user connection stopping confirmation information sent by the dispatching desk.
4. The method of claim 1, further comprising:
after receiving the dispatching desk connection stopping information sent by the dispatching desk, sending dispatching desk connection stopping confirmation information to the dispatching desk, so that the dispatching desk initiates connection stopping action according to the dispatching desk connection stopping confirmation information;
and respectively sending the dispatching desk connection stopping confirmation information to each user terminal which currently establishes the unidirectional video communication connection, wherein the dispatching desk connection stopping confirmation information comprises a user dialing code corresponding to the user terminal and the current state of the dispatching desk.
5. The method of claim 1, further comprising:
after receiving connection updating information sent by the dispatching desk, sending updating confirmation information to the dispatching desk, wherein the connection updating information comprises user dialing codes corresponding to user terminals to be added or deleted;
and sending a one-way call request to a corresponding user terminal in the connection update information according to the update establishment information sent by the dispatching desk, so that the user terminal establishes or cancels a one-way video communication connection establishment notification with the dispatching desk according to the received one-way call request.
6. A communication optimization method for video push service is applied to a dispatching desk DC, and the method comprises the following steps:
sending a video pushing request to a cluster control function TCF in a broadband cluster system, wherein the video pushing request comprises user dialing codes UDNs corresponding to all user terminals to be pushed and the current state of a request sender;
receiving video push confirmation information sent by the cluster control function body;
and determining that each user terminal receives a one-way call request sent by the cluster control function body, and respectively establishing one-way video communication connection with each user terminal;
and after establishing unidirectional video communication connection with each user terminal, receiving a unidirectional video communication connection establishment notification sent by the cluster control function, wherein the unidirectional video communication connection establishment notification comprises user dialing codes corresponding to all the user terminals of the unidirectional video communication connection.
7. The method according to claim 6, wherein said receiving video push acknowledgement information sent by said cluster control function further comprises:
and sending video push establishment information to the cluster control function body according to the video push confirmation information.
8. A cluster control function TCF, characterized in that the cluster control function comprises:
a video push request receiving unit, configured to receive a video push request sent by a scheduling console DC in a broadband trunking system, where the video push request includes user dialing codes UDN corresponding to all user terminals to be pushed and a current state of the scheduling console;
a video push confirmation information sending unit, configured to send video push confirmation information to the dispatching desk according to the video push request;
a one-way call request sending unit, configured to send a one-way call request to each corresponding user terminal according to each user dialing code in the video push request, so that each user terminal establishes a one-way video communication connection with the dispatch station according to the received one-way call request
A connection establishment notification sending unit, configured to send a unidirectional video communication connection establishment notification to the dispatch station after each user terminal establishes a unidirectional video communication connection with the dispatch station, where the unidirectional video communication connection establishment notification includes user dialing codes corresponding to all user terminals in the unidirectional video communication connection.
9. A dispatcher station DC, wherein said dispatcher station comprises:
a video push request sending unit, configured to send a video push request to a cluster control function TCF in a broadband cluster system, where the video push request includes user dialing codes UDN corresponding to all user terminals to be pushed and a current state of a request sender;
a video push confirmation information receiving unit, configured to receive video push confirmation information sent by the cluster control function;
the unidirectional video communication connection unit is used for determining that each user terminal receives a unidirectional call request sent by the cluster control function body and respectively establishing unidirectional video communication connection with each user terminal;
and the connection establishment notification receiving unit is used for receiving a unidirectional video communication connection establishment notification sent by the trunking control function body after unidirectional video communication connection is established with each user terminal, wherein the unidirectional video communication connection establishment notification comprises user dialing codes corresponding to all the user terminals of the unidirectional video communication connection.
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