CN102724177A - Mobile monitoring system based on soft switch and monitoring method - Google Patents

Mobile monitoring system based on soft switch and monitoring method Download PDF

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Publication number
CN102724177A
CN102724177A CN2012101536604A CN201210153660A CN102724177A CN 102724177 A CN102724177 A CN 102724177A CN 2012101536604 A CN2012101536604 A CN 2012101536604A CN 201210153660 A CN201210153660 A CN 201210153660A CN 102724177 A CN102724177 A CN 102724177A
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CN
China
Prior art keywords
monitor
portable terminal
monitor gateway
control system
request
Prior art date
Application number
CN2012101536604A
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Chinese (zh)
Inventor
李春杰
张志勇
杨丽
王亚智
徐华云
段海航
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中煤电气有限公司
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Priority to CN2012101536604A priority Critical patent/CN102724177A/en
Publication of CN102724177A publication Critical patent/CN102724177A/en

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Abstract

The invention relates to a mobile monitoring system based on soft switch and a monitoring method. The monitoring system comprises: a mobile terminal, wherein conversation between the mobile terminal and a monitoring gateway is established by a soft switch system by utilizing call control signaling, media negotiation between the mobile terminal and the monitoring gateway is completed, and an RTP channel is established; the soft switch system positioned between the mobile terminal and the monitoring gateway; the monitoring gateway positioned between the soft switch system and the monitoring system, wherein the monitoring gateway is used for establishing media links with the mobile terminal, acquiring a code stream of monitoring video from the monitoring system, completing transcoding of the video and packaging according to capacity of the terminal, and transmitting the treated video to the mobile terminal; and the monitoring system, which is used to monitor signals from front of the system.

Description

Mobile monitoring system and method for supervising based on soft switch

Technical field

The present invention relates to mobile monitoring system and method for supervising based on soft switch.

Background technology

Portable terminal is widely-used, and supervisory control system is also flourish, thereby arises at the historic moment for the demand of carrying out video monitoring through portable terminal.Existing supervisory control system producer is according to the characteristics of self supervisory control system, and the terminal software of exploitation one cover response on intelligent mobile terminal in use, is brought in realization through this supervisory control system client is installed on intelligent mobile terminal.

Professional use is: the user opens client; Client can be supervisory control system as service end, and initiatively request is set up in the initiation connection, after supervisory control system receives that connecting foundation asks; After accomplishing necessary control messages mutual, carry out the transmission of real time video image code stream through this connection.

System schema is as shown in Figure 1, in this process, and the common and supervisory control system binding in the terminal that the user uses; All there is terminal separately in each producer, if disposed the equipment of how tame manufacturer, when business takes place; Need switch at a plurality of terminal rooms, simultaneously, professional initiation is unique to be confirmed by the terminal; Can't realize having limited professional expansion and use by the image of network side to certain monitor video of terminal propelling movement.And need a proprietary client be installed at mobile phone terminal in the existing systems, this has just limited to mobile phone terminal must be intelligent machine, has limited the application of the non intelligent machine with video capability.In addition, the mobile terminal operating system variation, all there is own development environment in every kind of system, and client has limited service application to the degree of support of running environment, and compatibility and extended capability are poor; Adopt distinctive control messages simultaneously between terminal and supervisory control system; Cause the extended capability of system relatively poor; Video information can only obtain monitor message by the mode that the user initiatively initiates usually, can't realize having limited service application by network equipment active push monitoring video information.

Therefore, in the process that realizes mobile monitor, how can realize mobile video monitor easily and efficiently, occupied bandwidth that simultaneously again can be lower, can not cause too much burden to network will be the problem that this invention mainly solves.

 

Summary of the invention

For avoiding the deficiency of above prior art, the present invention proposes a kind of mobile monitoring system and method for supervising based on soft switch.To realize mobile video monitor easily and efficiently, occupied bandwidth that simultaneously again can be lower can not cause too much burden to network.

The object of the invention is realized through following technical scheme:

Based on the mobile monitoring system of soft switch, this system comprises:

Portable terminal utilizes call control signalling to pass through soft switchcall server and monitor gateway is set up conversation, accomplishes the media negotiation between portable terminal and the monitor gateway, and sets up the RTP passage;

Soft switchcall server between said portable terminal and monitor gateway, is used to accomplish functions such as mobile terminal administration, network interworking, calling routing addressing, makes call signaling be sent to portable terminal accurately.

Monitor gateway between soft switchcall server and supervisory control system, is used for being responsible for setting up media links with portable terminal, obtains the code stream of monitor video from supervisory control system, according to the ability at terminal, accomplishes the transcoding and the packing of video, and sends to portable terminal;

Supervisory control system is used for the signal of system front end is monitored.

Further, said monitor gateway comprises:

The soft switch control unit; Be used for to the soft switch signaling handle, encoding and decoding, the reception and the transmission of soft switch signaling are accomplished in and session link maintenance as the client of a flexible exchanging network; Follow the communication protocol of flexible exchanging network, accomplish CCF;

The monitor gateway logic control element is the core controlled function of monitor gateway, accomplishes all operation flow control of monitor gateway, and the co-ordination of each module;

Monitoring signaling adaptation unit, the monitoring control command of assigning the monitor gateway logic control element converts the monitor command that supervisory control system is supported into, and the difference according to supervisory control system is converted into control commands corresponding;

The monitoring control unit is accomplished issuing and the management function of communication link of the docking of monitor gateway and supervisory control system, control command;

The monitor video transmitting element is accomplished media negotiation and medium IWF between monitor gateway and the monitor video receiving terminal, comprises coding, packing and the transmission of video media;

The monitor video receiving element is accomplished the intercommunication of monitor gateway and supervisory control system, and accomplishes the reception of obtaining of audio-video code stream.

Based on the mobile monitor method of soft switch, this method comprises mobile terminal calling monitor gateway mode and monitor gateway calling portable terminal mode,

Said mobile terminal calling monitor gateway mode comprises the steps:

1) portable terminal is opened mobile monitoring service, makes a call to monitor gateway, and call request is sent to soft switchcall server, carries the media capability of portable terminal in the call request;

2) soft switchcall server sends to monitor gateway with call request;

3) monitor gateway is accepted the call request of portable terminal, and replys success response to portable terminal, carries the media capability of monitor gateway in the response message;

4) soft switchcall server is transmitted to portable terminal with response message;

5) portable terminal sends response confirmation message;

6) response confirmation message is sent to monitor gateway through soft switchcall server;

7) after monitor gateway is received response confirmation message, send video to supervisory control system and have access to request, obtain monitor video from the supervisory control system request;

8) supervisory control system is accepted monitoring and is had access to request, and returns success response;

9) supervisory control system send to be specified the H.264 video code flow of camera image to monitor gateway, and the RTP passage of monitor gateway through setting up with portable terminal sends to portable terminal with monitor video;

10) mobile terminal stopping mobile monitoring service is to sending call release request to switching system;

11) soft switchcall server is transmitted to monitor gateway with call release request;

12) monitor gateway accepts to discharge request, and sends the release response;

13) discharge response and be sent to portable terminal through soft switchcall server;

14) monitor gateway sends the request of termination of having access to supervisory control system, and the notice supervisory control system stops to have access to, and discharges the monitoring resource;

15) supervisory control system accepts request, and returns the termination response.

Said monitor gateway is called out the portable terminal mode and is comprised the steps:

1) monitor gateway is opened mobile monitoring service, makes a call to portable terminal, and call request is sent to soft switchcall server, carries the media capability of monitor gateway in the call request;

2) soft switchcall server sends to portable terminal with call request;

3) user accepts the call request of portable terminal, and replys success response to monitor gateway, carries the media capability of portable terminal in the response message;

4) soft switchcall server is transmitted to monitor gateway with corresponding message;

5) monitor gateway sends response confirmation message;

6) response confirmation message is sent to portable terminal through soft switchcall server;

7) after monitor gateway sends response confirmation message, send video to supervisory control system and have access to request, obtain monitor video from the supervisory control system request;

8) supervisory control system is accepted monitoring and is had access to request, and returns success response;

9) supervisory control system send to be specified the H.264 video code flow of camera image to monitor gateway, and the RTP passage of monitor gateway through setting up with portable terminal sends to portable terminal with monitor video;

10) mobile terminal stopping mobile monitoring service is to sending call release request to switching system;

11) soft switchcall server is transmitted to monitor gateway with call release request;

12) monitor gateway accepts to discharge request, and sends the release response;

13) discharge response and be sent to portable terminal through soft switchcall server;

14) monitor gateway sends the request of termination of having access to supervisory control system, and the notice supervisory control system stops to have access to, and discharges the monitoring resource;

15) supervisory control system accepts request, and returns the termination response.

The invention has the advantages that:

1. portable terminal can need not to install proprietary client, as long as can support visual telephone business just can realize mobile monitoring service.

2. because portable terminal no longer needs proprietary client, so do not receive the puzzlement of the compatibility at the peculiar terminal of platform.

3. utilize Softswitch technology to be the basis; The compatibility and the autgmentability of system improve greatly; Simultaneously, between portable terminal and monitor gateway, adopt fixing interactive mode, after the compatibility of raising monitor gateway to the different monitoring system; Just can make the supervisory control system of the compatible a plurality of producers of portable terminal, various protocols, reduce the dependence of terminal software.

4. light monitor video push function is for enterprise and individual's abundant application provides a simple approach.

5. along with constantly development and the extensive use of IMS network, Softswitch technology will be widely applied on the various portable terminals, when the time comes, as long as there is a phone just can realize mobile monitor, really accomplish highly compatible.

Description of drawings

Fig. 1: traditional supervisory control system structure principle chart;

Fig. 2: principle of the invention figure;

Fig. 3: structural representation of the present invention;

Fig. 4: mobile terminal calling monitor gateway flow chart of the present invention;

Fig. 5: monitor gateway of the present invention is called out the portable terminal flow chart.

Embodiment

The present invention is the basis with the flexible exchanging network; Make full use of the managerial ability of flexible exchanging network to the terminal; The multiple types of terminals access capability, multiple communication network intercommunication ability, and service expansion capability; For polytype portable terminal connects monitor gateway, perhaps monitor gateway connection portable terminal is laid a good foundation.

Shown in Fig. 2-3, the present invention is the mobile monitoring system based on soft switch, and this system comprises:

Portable terminal utilizes call control signalling to pass through soft switchcall server and monitor gateway is set up conversation, accomplishes the media negotiation between portable terminal and the monitor gateway, and sets up the RTP passage;

Soft switchcall server is between said portable terminal and monitor gateway;

Monitor gateway between soft switchcall server and supervisory control system, is used for being responsible for setting up media links with portable terminal, obtains the code stream of monitor video from supervisory control system, according to the ability at terminal, accomplishes the transcoding and the packing of video, and sends to portable terminal; Can also pass through soft switchcall server, initiatively set up conversation, and behind call setup, monitor video sent to portable terminal through the RTP bag with portable terminal.

Supervisory control system is used for the signal of system front end is monitored.

Said monitor gateway comprises:

The soft switch control unit; Be used for to the soft switch signaling handle, encoding and decoding, the reception and the transmission of soft switch signaling are accomplished in and session link maintenance as the client of a flexible exchanging network; Follow the communication protocol of flexible exchanging network, accomplish CCF;

The monitor gateway logic control element is the core controlled function of monitor gateway, accomplishes all operation flow control of monitor gateway, and the co-ordination of each module;

Monitoring signaling adaptation unit, the monitoring control command of assigning the monitor gateway logic control element converts the monitor command that supervisory control system is supported into, and the difference according to supervisory control system is converted into control commands corresponding;

The monitoring control unit is accomplished issuing and the management function of communication link of the docking of monitor gateway and supervisory control system, control command;

The monitor video transmitting element is accomplished media negotiation and medium IWF between monitor gateway and the monitor video receiving terminal, comprises coding, packing and the transmission of video media;

The monitor video receiving element is accomplished the intercommunication of monitor gateway and supervisory control system, and accomplishes the reception of obtaining of audio-video code stream.

Being illustrated in figure 4 as mobile terminal calling monitor gateway flow chart of the present invention, is example with the SIP signaling, and mobile terminal calling monitor gateway mode comprises the steps:

1) portable terminal is opened mobile monitoring service, makes a call to monitor gateway, and call request is sent to soft switchcall server, carries the media capability of portable terminal in the call request;

2) soft switchcall server sends to monitor gateway with call request;

3) monitor gateway is accepted the call request of portable terminal, and replys success response to portable terminal, carries the media capability of monitor gateway in the response message;

4) soft switchcall server is transmitted to portable terminal with response message;

5) portable terminal sends response confirmation message;

6) response confirmation message is sent to monitor gateway through soft switchcall server;

7) after monitor gateway is received response confirmation message, send video to supervisory control system and have access to request, obtain monitor video from the supervisory control system request;

8) supervisory control system is accepted monitoring and is had access to request, and returns success response;

9) supervisory control system send to be specified the H.264 video code flow of camera image to monitor gateway, and the RTP passage of monitor gateway through setting up with portable terminal sends to portable terminal with monitor video;

10) mobile terminal stopping mobile monitoring service is to sending call release request to switching system;

11) soft switchcall server is transmitted to monitor gateway with call release request;

12) monitor gateway accepts to discharge request, and sends the release response;

13) discharge response and be sent to portable terminal through soft switchcall server;

14) monitor gateway sends the request of termination of having access to supervisory control system, and the notice supervisory control system stops to have access to, and discharges the monitoring resource;

15) supervisory control system accepts request, and returns the termination response.

Being illustrated in figure 5 as monitor gateway of the present invention and calling out the portable terminal flow chart, is example with the SIP signaling, and monitor gateway is called out the portable terminal mode and comprised the steps:

1) monitor gateway is opened mobile monitoring service, makes a call to portable terminal, and call request is sent to soft switchcall server, carries the media capability of monitor gateway in the call request;

2) soft switchcall server sends to portable terminal with call request;

3) user accepts the call request of portable terminal, and replys success response to monitor gateway, carries the media capability of portable terminal in the response message;

4) soft switchcall server is transmitted to monitor gateway with corresponding message;

5) monitor gateway sends response confirmation message;

6) response confirmation message is sent to portable terminal through soft switchcall server;

7) after monitor gateway sends response confirmation message, send video to supervisory control system and have access to request, obtain monitor video from the supervisory control system request;

8) supervisory control system is accepted monitoring and is had access to request, and returns success response;

9) supervisory control system send to be specified the H.264 video code flow of camera image to monitor gateway, and the RTP passage of monitor gateway through setting up with portable terminal sends to portable terminal with monitor video;

10) mobile terminal stopping mobile monitoring service is to sending call release request to switching system;

11) soft switchcall server is transmitted to monitor gateway with call release request;

12) monitor gateway accepts to discharge request, and sends the release response;

13) discharge response and be sent to portable terminal through soft switchcall server;

14) monitor gateway sends the request of termination of having access to supervisory control system, and the notice supervisory control system stops to have access to, and discharges the monitoring resource;

15) supervisory control system accepts request, and returns the termination response.

The mobile monitoring system and the method for supervising that the present invention is based on soft switch can be applied in coal mining enterprise's operation; The dispatcher utilizes supervisory control system to find that through monitoring screen mine has abnormal conditions; Can call out the related personnel immediately, and the image that will capture the camera of abnormal conditions is pushed to the related personnel simultaneously, guarantee the responsible person concerned can be in the fastest time acquired information; Increase work efficiency, guarantee operating personnel's safety to greatest extent.

Should be appreciated that the above detailed description of technical scheme of the present invention being carried out by preferred embodiment is schematic and nonrestrictive.Those of ordinary skill in the art is reading on the basis of specification of the present invention and can make amendment to the technical scheme that each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.

Claims (3)

1. based on the mobile monitoring system of soft switch, it is characterized in that this system comprises:
Portable terminal utilizes call control signalling to pass through soft switchcall server and monitor gateway is set up conversation, accomplishes the media negotiation between portable terminal and the monitor gateway, and sets up the RTP passage;
Soft switchcall server between said portable terminal and monitor gateway, is used to accomplish functions such as mobile terminal administration, network interworking, calling routing addressing, makes call signaling can be sent to portable terminal accurately;
Monitor gateway between soft switchcall server and supervisory control system, is used for being responsible for setting up media links with portable terminal, obtains the code stream of monitor video from supervisory control system, according to the ability at terminal, accomplishes the transcoding and the packing of video, and sends to portable terminal;
Supervisory control system is used for the signal of system front end is monitored.
2. the mobile monitoring system based on soft switch according to claim 1 is characterized in that, said monitor gateway comprises:
The soft switch control unit; Be used for to the soft switch signaling handle, encoding and decoding, the reception and the transmission of soft switch signaling are accomplished in and session link maintenance as the client of a flexible exchanging network; Follow the communication protocol of flexible exchanging network, accomplish CCF;
The monitor gateway logic control element is the core controlled function of monitor gateway, accomplishes all operation flow control of monitor gateway, and the co-ordination of each module;
Monitoring signaling adaptation unit, the monitoring control command of assigning the monitor gateway logic control element converts the monitor command that supervisory control system is supported into, and the difference according to supervisory control system is converted into control commands corresponding;
The monitoring control unit is accomplished issuing and the management function of communication link of the docking of monitor gateway and supervisory control system, control command;
The monitor video transmitting element is accomplished media negotiation and medium IWF between monitor gateway and the monitor video receiving terminal, comprises coding, packing and the transmission of video media;
The monitor video receiving element is accomplished the intercommunication of monitor gateway and supervisory control system, and accomplishes the reception of obtaining of audio-video code stream.
3. based on the mobile monitor method of soft switch, it is characterized in that this method comprises mobile terminal calling monitor gateway mode and monitor gateway calling portable terminal mode,
Said mobile terminal calling monitor gateway mode comprises the steps:
1) portable terminal is opened mobile monitoring service, makes a call to monitor gateway, and call request is sent to soft switchcall server, carries the media capability of portable terminal in the call request;
2) soft switchcall server sends to monitor gateway with call request;
3) monitor gateway is accepted the call request of portable terminal, and replys success response to portable terminal, carries the media capability of monitor gateway in the response message;
4) soft switchcall server is transmitted to portable terminal with response message;
5) portable terminal sends response confirmation message;
6) response confirmation message is sent to monitor gateway through soft switchcall server;
7) after monitor gateway is received response confirmation message, send video to supervisory control system and have access to request, obtain monitor video from the supervisory control system request;
8) supervisory control system is accepted monitoring and is had access to request, and returns success response;
9) supervisory control system send to be specified the H.264 video code flow of camera image to monitor gateway, and the RTP passage of monitor gateway through setting up with portable terminal sends to portable terminal with monitor video;
10) mobile terminal stopping mobile monitoring service is to sending call release request to switching system;
11) soft switchcall server is transmitted to monitor gateway with call release request;
12) monitor gateway accepts to discharge request, and sends the release response;
13) discharge response and be sent to portable terminal through soft switchcall server;
14) monitor gateway sends the request of termination of having access to supervisory control system, and the notice supervisory control system stops to have access to, and discharges the monitoring resource;
15) supervisory control system accepts request, and returns the termination response;
Said monitor gateway is called out the portable terminal mode and is comprised the steps:
1) monitor gateway is opened mobile monitoring service, makes a call to portable terminal, and call request is sent to soft switchcall server, carries the media capability of monitor gateway in the call request;
2) soft switchcall server sends to portable terminal with call request;
3) user accepts the call request of portable terminal, and replys success response to monitor gateway, carries the media capability of portable terminal in the response message;
4) soft switchcall server is transmitted to monitor gateway with corresponding message;
5) monitor gateway sends response confirmation message;
6) response confirmation message is sent to portable terminal through soft switchcall server;
7) after monitor gateway sends response confirmation message, send video to supervisory control system and have access to request, obtain monitor video from the supervisory control system request;
8) supervisory control system is accepted monitoring and is had access to request, and returns success response;
9) supervisory control system send to be specified the H.264 video code flow of camera image to monitor gateway, and the RTP passage of monitor gateway through setting up with portable terminal sends to portable terminal with monitor video;
10) mobile terminal stopping mobile monitoring service is to sending call release request to switching system;
11) soft switchcall server is transmitted to monitor gateway with call release request;
12) monitor gateway accepts to discharge request, and sends the release response;
13) discharge response and be sent to portable terminal through soft switchcall server;
14) monitor gateway sends the request of termination of having access to supervisory control system, and the notice supervisory control system stops to have access to, and discharges the monitoring resource;
15) supervisory control system accepts request, and returns the termination response.
CN2012101536604A 2012-05-17 2012-05-17 Mobile monitoring system based on soft switch and monitoring method CN102724177A (en)

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