CN102377760B - Realize the method and system of voice intercom in video monitoring - Google Patents

Realize the method and system of voice intercom in video monitoring Download PDF

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Publication number
CN102377760B
CN102377760B CN201010264381.6A CN201010264381A CN102377760B CN 102377760 B CN102377760 B CN 102377760B CN 201010264381 A CN201010264381 A CN 201010264381A CN 102377760 B CN102377760 B CN 102377760B
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speech talkback
coreims
media channel
request
video monitoring
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CN201010264381.6A
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CN102377760A (en
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叶小阳
陈洁
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2011/078608 priority patent/WO2012022266A1/en
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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
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • 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
    • H04L65/10—Architectures or entities
    • H04L65/1063—Application servers providing network services
    • 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
    • H04L65/1069—Session establishment or de-establishment

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Telephonic Communication Services (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

Does the invention discloses a kind of method realizing voice intercom in video monitoring, the method mainly comprise: based in the video monitoring system of IMS, CU and PU is respectively by Core? media channel is set up between IMS and AS; When carrying out speech talkback, pass through set up, between CU and AS and between PU and AS media channel, interactive voice media data between CU and PU.The invention also discloses a kind of system realizing voice intercom in video monitoring, the present invention does not need to increase any extras in video monitoring system, achieve the speech talkback function of the video monitoring system based on IMS, and pass through Core? the mode of IMS transfer signaling completes speech talkback, conveniently carry out security control, due to Core? IMS is deployed on public network, thus effectively can overcome the problem that private network passes through, be easy to application.

Description

Realize the method and system of voice intercom in video monitoring
Technical field
The present invention relates to the Video Supervision Technique in mobile communication, particularly relate to a kind of method and system realizing voice intercom in video monitoring.
Background technology
In recent years, along with the develop rapidly of computer, network and image procossing, transmission technology, Video Supervision Technique also obtain significant progress.The video monitoring system of a new generation, by the transmission of real-time performance media, carries out long-range video monitoring.No matter user wherever, can utilize client as internet logins such as computers, connects network video monitor and control system, obtains image and sound.Video monitoring is with its intuitive and convenient, abundant information and be widely used in many occasions, as bank, school, hospital, community and highway communication etc.
On the other hand, the development of current all-IP, accelerate the fusion of telecommunications and the Internet, IP is trend of network development end to end, propose IP Multimedia System (IMS, IPMultimediaSubsystem), IMS has following characteristics: with access independence, no matter user can be realized theoretically to be used what equipment, where accessing IMS network, the business of ownership place can be used; Unified business trigger mechanism, IMS core control section does not realize concrete business, and the supplementary service that all business comprise on traditional concept is all realized by service application platform; Unified routing mechanism, and user-dependent data message is only kept at the ownership place of user, all and user-dependent business also has to pass through the ownership place of user; Unified user database, shields fixed-line subscriber and the difference of mobile subscriber on service attribute; Taken into full account the demand of the actual operation of operator, network frame, QoS, safety, charging and and other networks intercommunication in all formulated related specifications.IMS unifies access control, the technical characterstic such as fusion and multimedia service quality reliability of various multimedia service and advantage and is being approved by telecom operators, current telecom operators are stepping up to dispose IMS core net, and it is online progressively miscellaneous service to be moved to IMS core.
IMS is the definition of third generation partner program (3GPP, 3rdGenerationPartnershipProject) normal structure, is the general name to the network core layer logical functional entity that IP multimedia service controls.IMS adopts IP packet domain as its control signal and media delivery bearer path, adopt Session Initiation Protocol as call control signalling, achieve service management, the three of session control and carrying access is separated, its advantage in the network integration is paid close attention to more and more widely.
IMS supports fixed network to access and mobile network's access simultaneously, the network integration is made to become possibility, video monitoring service based on IMS is being unified in access authentication and fail safe, video monitoring service operation can be met, be not only the special demand of isolated private network, and current IMS video monitoring, also fail to realize the function of speech talkback.
Summary of the invention
In view of this, under the network architecture of IMS, main purpose of the present invention is to provide a kind of method and system realizing voice intercom in video monitoring, can realize the speech talkback function of the video monitoring based on IMS.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of method realizing voice intercom in video monitoring, described method comprises: monitor client subsystem (CU) and front monitoring front-end subsystem (PU), respectively by IP Multimedia System core cell (CoreIMS), and set up media channel between application server subsystem (AS); When carrying out speech talkback, pass through set up, between CU and AS and between PU and AS media channel, interactive voice media data between CU and PU.
In such scheme, described CU and PU sets up media channel respectively by between CoreIMS and AS, comprising: described CU sends speech talkback request, is forwarded to AS by CoreIMS; The speech talkback request forward that described CU is sent by CoreIMS by AS is again to PU; PU receives described speech talkback request, returns speech talkback respond AS by CoreIMS, and described speech talkback response is transmitted to CU by CoreIMS by AS again; CU receives the response of described speech talkback, sends speech talkback and confirms AS, set up the media channel between self and AS by described CoreIMS; AS forwards described speech talkback by CoreIMS and confirms to PU, sets up the media channel between self and PU.
In such scheme, the speech talkback that described CU is transmitted to AS confirms to carry the information of media channel between CU and AS; The speech talkback that described AS is transmitted to PU confirms to carry the information of media channel between AS and PU.
In such scheme, be transmitted to PU by CoreIMS after described AS receives the speech talkback request that described CU sends and by described speech talkback request before, described method also comprises: after described AS receives the speech talkback request that described CU sends, carry out business authentication and authorization check, business authentication and verification succeeds, then give described PU by CoreIMS by described speech talkback request forward.
In such scheme, described AS carries out business authentication and authorization check, comprise: after described AS receives the speech talkback request of described CU transmission, according to described speech talkback request, inquire about the user's registration information corresponding to this CU, according to inquired user's registration information, determine whether to forward described speech talkback request to described PU; And/or after described AS receives the speech talkback request of described CU transmission, the operating state current according to described PU, determines whether to forward described speech talkback request to described PU; If so, described AS forwards described speech talkback request to described PU; Otherwise described AS returns the information of speech talkback request failure to CU, do not forward described speech talkback request.
In such scheme, pass through set up, between CU and AS and between PU and AS media channel, interactive voice media data between described CU and PU, comprise: described CU is by the media channel between self and AS, send the voice medium data of client to AS, AS again by the media channel between self and PU by the voice medium data retransmission of described client to PU; And/or described PU, by media channel between self and AS, sends the voice medium data of monitoring client to AS, AS again by the media channel between self and CU by the voice medium data retransmission of described monitoring client to CU.
In such scheme, described method also comprises: when needing to stop speech talkback, described CU disconnects the media channel between self and AS, and by CoreIMS send stop speech talkback request to AS, AS again by CoreIMS by described stopping speech talkback request forward to PU; Described PU disconnects the media channel between self and AS after receiving the request of described stopping speech talkback, and stops speech talkback responding to AS by CoreIMS forwarding; Described stopping speech talkback response is transmitted to CU by CoreIMS by AS again, and speech talkback stops.
In such scheme, the request of described stopping speech talkback being specially request clear message, and described stopping speech talkback response is specially response message of taking out stitches.
Present invention also offers a kind of system realizing voice intercom in video monitoring, described system comprises: set up unit and transmission unit, wherein, sets up unit, for by CoreIMS, sets up the media channel between CU and AS and between PU and AS; Transmission unit, for setting up between CU and AS that unit sets up and media channel between PU and AS by described, transferring voice media data between described CU and PU.
In such scheme, described system also comprises: switching units, for disconnecting the described media channel set up between CU and AS that unit sets up and between PU and AS, stops speech talkback.
The method and system realizing voice intercom in video monitoring of the present invention, CU, PU is respectively by CoreIMS, and set up media channel between AS, when needing speech talkback, set up media channel interactive voice media data is passed through between CU and PU, when can not need to increase any extras in video monitoring system, realize the speech talkback function based on the video monitoring system of IMS, and complete speech talkback by the mode of CoreIMS transfer signaling, conveniently carry out security control, because CoreIMS is deployed on public network, effectively can overcome the problem that private network passes through, be easy to application.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of the video monitoring system based on IMS;
Fig. 2 is the interaction flow schematic diagram that the present invention realizes voice intercom in video monitoring process;
Fig. 3 is the interaction flow schematic diagram of an embodiment of the present invention.
Embodiment
The present invention is applicable to the video monitoring system based on IMS, as shown in Figure 1, the video monitoring system based on IMS mainly comprises front monitoring front-end subsystem (PU), IP Multimedia System core cell (CoreIMS), application server subsystem (AS), media control and storage server subsystem (MCSU), monitor client subsystem (CU).Wherein, CoreIMS is for the foundation/dismounting of the forwarding and session that complete video monitoring service control signal, the process of AS finishing service logic, AS mainly comprises following functions entity: service discovering functional realiey (SDF), service selection functional entity (SSF) and business control function body (SCF), MCSU completes the forwarding/distribution/transcoding/storage etc. of media, and streaming media service is provided, PU is responsible for the capturing and coding of monitor message, and CU provides each class interface of video monitoring service for user.
Main thought of the present invention is: based in the video monitoring system of IMS, CU and PU respectively by CoreIMS, and sets up media channel between AS; When carrying out speech talkback, pass through set up, between CU and AS and between PU and AS media channel, interactive voice media data between CU and PU.
Present invention also offers a kind of system realizing voice intercom in video monitoring, this system mainly can comprise: set up unit and transmission unit, wherein, sets up unit for by CoreIMS, sets up the media channel between CU and AS and between PU and AS; Transmission unit, for setting up between CU and AS that unit sets up and media channel between PU and AS by described, transferring voice media data between described CU and PU.
Wherein, described system can also comprise: switching units, for disconnecting the described media channel set up between CU and AS that unit sets up and between PU and AS, stops speech talkback.
In practical application, above-mentioned sets up unit, transmission unit and switching units, can arrange respectively with based on CU, CoreIMS, AS and the PU in the video monitoring system of IMS, or independent setting also by mutual with CU, CoreIMS, AS and PU, realizes the speech talkback of the video monitoring system based on IMS.
Particularly, as shown in Figure 2, CU is by setting up media channel between CoreIMS and AS, and PU is by setting up media channel between CoreIMS and AS, and process is as follows: CU sends speech talkback request, is forwarded to AS by CoreIMS; Afterwards, AS by CoreIMS by described speech talkback request forward to PU; PU receives described speech talkback request, sends speech talkback response by CoreIMS to AS, and the response of this speech talkback is transmitted to CU by CoreIMS by AS; After CU receives the response of described speech talkback, forward speech talkback by CoreIMS and confirm to AS, set up the media channel between self and AS; AS forwards described speech talkback by CoreIMS and confirms to PU, sets up the media channel between self and PU.Wherein, AS receive CU send speech talkback request after and by CoreIMS by described speech talkback request forward to PU before, alternatively, described AS carries out business authentication and authorization check, after business authentication and verification succeeds, then by CoreIMS by described speech talkback request forward to PU.
Here, AS carries out the process of business authentication and authorization check, comprise: after described AS receives the speech talkback request of described CU transmission, according to described speech talkback request, inquire about the user's registration information corresponding to this CU, according to inquired user's registration information, determine whether to forward described speech talkback request to described PU, and/or, after described AS receives the speech talkback request of described CU transmission, the operating state current according to described PU, determines whether to forward described speech talkback request to described PU; If so, described AS forwards described speech talkback request to described PU; Otherwise described AS returns the information of speech talkback request failure to CU, do not forward described speech talkback request.
Wherein, user's registration information can comprise: whether legal information and whether have the information etc. of carrying out speech talkback authority with described PU.The operating state that described PU is current, specifically can comprise: whether described PU is current just carries out monopolistic speech talkback with other CU, and whether the current idling-resource of described PU can support current speech talkback etc.
Here, set up the process of media channel between above-mentioned CU and AS and between AS and PU, can be realized by the session establishment flow process of CoreIMS.
Wherein, the speech talkback that CU is transmitted to AS confirms to carry the information of media channel between CU and AS, and the speech talkback that AS is transmitted to PU confirms to carry the information of media channel between AS and PU.
Particularly, the information of above-mentioned media channel can comprise for the IP address of receiving media stream, TCP/UDP port numbers, or also can comprise session identification, the gap marker of having advised.
Here, the media channel between CU and AS and the media channel between AS and PU can be all two-way media passage.
Here, the identification information of described PU is carried in described speech talkback request.Such as, the IP address etc. of PU.
Wherein, as shown in Figure 2, during speech talkback, pass through set up, between CU and AS and PU and AS media channel, interactive voice media data between CU and PU, detailed process comprises: CU sends the voice medium data of client to AS by media channel between self and AS, AS again by the media channel between self and PU by the voice medium data retransmission of client to PU; And/or PU sends the voice medium data of monitoring client to AS by media channel between self and AS, AS again by the media channel between self and CU by the voice medium data retransmission of described monitoring client to CU.
As shown in Figure 2, when needing to stop speech talkback, described method also comprises: CU disconnects the media channel between self and AS, and by CoreIMS send stopping speech talkback request to AS, AS by CoreIMS by this stopping speech talkback request forward to PU; PU disconnects the media channel between self and AS after receiving the request of described stopping speech talkback, and stops speech talkback responding to AS by CoreIMS forwarding; Described stopping speech talkback response is transmitted to CU by CoreIMS by AS, and speech talkback stops.
Here, stop the flow process of speech talkback, can be realized by the session teardown flow process of carrying out CoreIMS in video monitoring based on IMS, the request of described stopping speech talkback can be specifically the request clear message in session teardown process, stops speech talkback response correspondence can be response message of taking out stitches.
Below in conjunction with accompanying drawing, specific implementation of the present invention is described in further detail.
With reference to shown in Fig. 3, according to method provided by the present invention, realize the process of the speech talkback function of the video monitoring system based on IMS, specifically comprise following flow process:
Step 301-305:CU is from the front monitoring front-end list of self preserving, search the mark needing the PU carrying out speech talkback, as the IP address of PU, and send the speech talkback request (INVITE in Session Initiation Protocol) carrying found PU mark, first INVITE is routed to CoreIMS by CU, INVITE is forwarded to distributed AS by CoreIMS again, AS carries out business authentication and authorization check as required, afterwards, described INVITE is forwarded to CoreIMS by AS again, and INVITE is transmitted to PU by CoreIMS again;
After step 306-309:PU receives described INVITE, return speech talkback response message (the 200OK message in Session Initiation Protocol), PU first by 200OK Message routing to CoreIMS, by CoreIMS, this 200OK message is transmitted to AS, 200OK message is transmitted to CU by CoreIMS by AS again;
After step 310-313:CU receives 200OK message, speech talkback response confirmation message (ACK message in Session Initiation Protocol) is sent to AS by CoreIMS, and the media channel information of carrying in ACK message between self and AS, set up the two-way media passage between AS and CU; AS forwards described ACK message to PU by CoreIMS, and in described ACK message, carry the information of media channel between self and PU, sets up the two-way media passage between self and PU;
Step 314-315:CU is by the media channel between self and AS, the voice medium packet (the RTP packet of UDP carrying) of client is sent to AS, AS is by the media channel between self and PU, the RTP packet of client is transmitted to PU, and PU receives the RTP packet of client and broadcasting of decoding;
Step 316-317:PU is by the media channel between self and AS, the voice medium packet (the RTP packet of UDP carrying) of monitoring client is sent to AS, AS is again by the media channel between self and CU, the RTP packet of described monitoring client is received the RTP packet of described monitoring client and broadcasting of decoding to CU, CU;
Step 318-321: when needing to stop speech talkback, CU sends request clear message to CoreIMS, and as the BYE message in Session Initiation Protocol, disconnect the media channel between self and AS, BYE message is transmitted to AS by CoreIMS more simultaneously; AS forwards described BYE message by CoreIMS again and receives described BYE message to PU, PU, disconnects the media channel between self and AS;
Step 322-325:PU sends response message (the 200OK message as in Session Initiation Protocol) of taking out stitches, and is transmitted to AS by CoreIMS; AS forwards described 200OK message by CoreIMS again and receives this 200OK message to CU, CU, and speech talkback stops.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. realize a method for voice intercom in video monitoring, it is characterized in that, described method comprises:
Monitor client subsystem (CU) and front monitoring front-end subsystem (PU), respectively by IP Multimedia System core cell (CoreIMS), and set up media channel between application server subsystem (AS);
When carrying out speech talkback, pass through set up, between CU and AS and between PU and AS media channel, interactive voice media data between CU and PU;
Wherein, described CU and PU sets up media channel respectively by between CoreIMS and AS, comprising:
Described CU sends speech talkback request, is forwarded to AS by CoreIMS; The speech talkback request forward that described CU is sent by CoreIMS by AS is again to PU;
PU receives described speech talkback request, returns speech talkback respond AS by CoreIMS, and described speech talkback response is transmitted to CU by CoreIMS by AS again;
CU receives the response of described speech talkback, sends speech talkback and confirms AS, set up the media channel between self and AS by described CoreIMS; AS forwards described speech talkback by CoreIMS and confirms to PU, sets up the media channel between self and PU.
2. the method realizing voice intercom in video monitoring according to claim 1, is characterized in that,
The speech talkback that described CU is transmitted to AS confirms to carry the information of media channel between CU and AS; The speech talkback that described AS is transmitted to PU confirms to carry the information of media channel between AS and PU.
3. the method realizing voice intercom in video monitoring according to claim 1, it is characterized in that, be transmitted to PU by CoreIMS after described AS receives the speech talkback request that described CU sends and by described speech talkback request before, described method also comprises:
Described AS carries out business authentication and authorization check, business authentication and verification succeeds after receiving the speech talkback request that described CU sends, then gives described PU by CoreIMS by described speech talkback request forward.
4. the method realizing voice intercom in video monitoring according to claim 3, is characterized in that, described AS carries out business authentication and authorization check, comprising:
Described AS according to described speech talkback request, inquires about the user's registration information corresponding to this CU, according to inquired user's registration information, determines whether to forward described speech talkback request to described PU after receiving the speech talkback request of described CU transmission; And/or after described AS receives the speech talkback request of described CU transmission, the operating state current according to described PU, determines whether to forward described speech talkback request to described PU;
If so, described AS forwards described speech talkback request to described PU; Otherwise described AS returns the information of speech talkback request failure to CU, do not forward described speech talkback request.
5. the method realizing voice intercom in video monitoring according to any one of Claims 1-4, is characterized in that, passes through set up, between CU and AS and between PU and AS media channel, and interactive voice media data between described CU and PU, comprising:
Described CU, by media channel between self and AS, sends the voice medium data of client to AS, AS again by the media channel between self and PU by the voice medium data retransmission of described client to PU;
And/or described PU, by media channel between self and AS, sends the voice medium data of monitoring client to AS, AS again by the media channel between self and CU by the voice medium data retransmission of described monitoring client to CU.
6. the method realizing voice intercom in video monitoring according to any one of Claims 1-4, is characterized in that, described method also comprises:
When needing to stop speech talkback, described CU disconnects the media channel between self and AS, and by CoreIMS send stopping speech talkback request to AS, AS again by CoreIMS by described stopping speech talkback request forward to PU;
Described PU disconnects the media channel between self and AS after receiving the request of described stopping speech talkback, and stops speech talkback responding to AS by CoreIMS forwarding; Described stopping speech talkback response is transmitted to CU by CoreIMS by AS again, and speech talkback stops.
7. the method realizing voice intercom in video monitoring according to claim 6, is characterized in that, the request of described stopping speech talkback being specially request clear message, and described stopping speech talkback response is specially response message of taking out stitches.
8. realize a system for voice intercom in video monitoring, it is characterized in that, described system comprises: set up unit and transmission unit, wherein,
Set up unit, for by CoreIMS, set up the media channel between CU and AS and between PU and AS;
Transmission unit, for setting up between CU and AS that unit sets up and media channel between PU and AS by described, transferring voice media data between described CU and PU;
Wherein, described CU and PU sets up media channel respectively by between CoreIMS and AS, comprising:
Described CU sends speech talkback request, is forwarded to AS by CoreIMS; The speech talkback request forward that described CU is sent by CoreIMS by AS is again to PU;
PU receives described speech talkback request, returns speech talkback respond AS by CoreIMS, and described speech talkback response is transmitted to CU by CoreIMS by AS again;
CU receives the response of described speech talkback, sends speech talkback and confirms AS, set up the media channel between self and AS by described CoreIMS; AS forwards described speech talkback by CoreIMS and confirms to PU, sets up the media channel between self and PU.
9. the system realizing voice intercom in video monitoring according to claim 8, it is characterized in that, described system also comprises: switching units, for disconnecting the described media channel set up between CU and AS that unit sets up and between PU and AS, stops speech talkback.
CN201010264381.6A 2010-08-20 2010-08-20 Realize the method and system of voice intercom in video monitoring Expired - Fee Related CN102377760B (en)

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PCT/CN2011/078608 WO2012022266A1 (en) 2010-08-20 2011-08-18 Method and system for voice intercom in video surveillance

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