CN111047472A - Multi-dimensional information fusion power emergency command and dispatch communication system - Google Patents
Multi-dimensional information fusion power emergency command and dispatch communication system Download PDFInfo
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Abstract
The invention relates to a multidimensional information-fused power emergency command dispatching communication system.A dispatching server realizes the management of single call and group call among voice terminals in a program-controlled exchange system through a media gateway; the scheduling server also realizes management of data transmission and scheduling of the industrial television monitoring system through the media gateway; the scheduling server is also connected with the individual soldier cluster system and used for managing data transmission and scheduling of the individual soldier cluster system; the scheduling server is connected with the storage server and is used for controlling the storage server to store the data transmitted in the communication process; and the scheduling server is connected with the visual scheduling platform and is used for carrying out visual interface design, unified configuration management and state monitoring on the system through the visual scheduling platform. The invention can switch communication in a plurality of service systems and can realize on-site monitoring video synchronization.
Description
Technical Field
The invention relates to the field of power system communication, in particular to a multi-dimensional information fused power emergency command and dispatch communication system.
Background
In the existing emergency dispatching system, the communication dispatching support means only supports single-system communication, or voice, or monitoring video at the same time, has single function, and does not support multi-dimensional information feedback. Meanwhile, when the dispatching is switched among various independent emergency communication systems, a large amount of time is spent in the system preparation and communication establishment processes, the development of emergency dispatching is delayed, the overall emergency command efficiency is reduced, and the increasing demand of emergency command dispatching is not met.
In the existing emergency scheduling scheme, the independent communication support scheme comprises the following steps:
(1) using fixed circuit of administrative and dispatching exchange system to make voice communication;
(2) emergency dispatch voice communication is carried out by using a satellite telephone;
(3) carrying out voice communication by utilizing a mobile phone which takes an operator channel as support;
(4) and carrying out video monitoring and confirmation on the field condition by using a production field camera and an industrial television system.
The existing communication mode has the following problems in emergency scheduling:
only point-to-point communication is supported, and multi-party (field operators or field and command center) cooperative communication cannot be carried out;
only voice communication is supported, and on-site monitoring video synchronization cannot be carried out;
switching among a plurality of service systems (fixed telephone, mobile terminal, conference system, video monitoring, etc.) is required to acquire single audio or video information of different channels.
The prior system can not provide comprehensive and multidimensional technical support in an emergency scheduling state in time, and a large amount of invalid time is consumed in early processes such as system switching, starting, communication establishment and the like.
Disclosure of Invention
In view of this, the present invention provides a multidimensional information-fused power emergency command and dispatch communication system, which can perform switching communication in multiple service systems and simultaneously implement field monitoring video synchronization.
The invention is realized by adopting the following scheme: a multi-dimensional information fused power emergency command dispatching communication system comprises a visual dispatching platform, a dispatching server, a storage server, a media gateway, an individual soldier cluster system, a program control exchange system and an industrial television monitoring system; the scheduling server is in communication connection with the media gateway; the media gateway is respectively in communication connection with the program control exchange system and the industrial television monitoring system; the dispatching server realizes the management of single call and group call among the voice terminals in the program control exchange system through the media gateway; the scheduling server also realizes management of data transmission and scheduling of the industrial television monitoring system through the media gateway; the scheduling server is also connected with the individual soldier cluster system and used for managing data transmission and scheduling of the individual soldier cluster system; the scheduling server is connected with the storage server through a data communication network and used for controlling the storage server to store data transmitted in a communication process; the dispatching server is connected with the visual dispatching platform through a data communication network and is used for carrying out visual interface design, unified configuration management and state monitoring on the system through the visual dispatching platform.
Further, the media gateway comprises a digital relay gateway and a monitoring gateway; the program control exchange system comprises a program control exchange and a plurality of voice terminals, wherein the program control exchange is connected with the voice terminals, and the program control exchange is also connected with the digital trunk gateway; the industrial television monitoring system comprises an industrial television server and a plurality of monitoring devices, wherein the industrial television server is connected with the monitoring devices and is also connected with the monitoring gateway; the individual soldier cluster system comprises an individual soldier system server and an individual soldier mobile terminal, the individual soldier system server is connected with the individual soldier mobile terminal, and the individual soldier system server is also connected with the dispatching server; the digital relay gateway and the monitoring gateway are both connected with the dispatching server, and the dispatching server manages single call and group call among the voice terminals through the digital relay gateway and the SPC switch; the dispatching server manages the transmission and dispatching of the monitoring data of the monitoring equipment through the monitoring gateway and the industrial television server; the scheduling server realizes management of data transmission and scheduling of the individual soldier mobile terminal through the individual soldier system server
Further, the voice terminal includes, but is not limited to, a general phone and a mobile phone.
Further, monitoring devices include, but are not limited to, industrial cameras and monitors.
Preferably, the invention further provides a working method of the power emergency command and dispatch communication system with multi-dimensional information fusion, which comprises the following steps:
step S1: a worker dials a fixed telephone or a mobile phone through a visual dispatching platform in an emergency dispatching center to carry out voice communication with field workers, or is connected with an individual soldier mobile terminal to carry out real-time voice and video conversation, and meanwhile, data information of characters, sound recording and video recording can be sent;
step S2: if the staff checks the production site, the scheduling server is executed on the visual scheduling platform to control the industrial television monitoring system; the dispatching server is connected with the industrial television monitoring system in a GB28181 mode, image resources of the industrial television monitoring system are converted into standard SIP resources and are registered in the dispatching server, and monitoring pictures can be called from the dispatching server or an individual soldier mobile terminal;
step S3: selecting a plurality of user objects in a visual scheduling platform, and starting a group conference function; the user objects include: fixed telephone, mobile phone, individual mobile terminal, monitoring camera; if the group video conference is started, the users of the other individual soldier mobile terminals can return real-time voice and video pictures except that the fixed telephone, the mobile phone end and part of the individual soldier mobile terminals only transmit voice data; the fixed telephone, the mobile phone end and part of the individual mobile terminals can start the group telephone conference.
Further, the step S2 of calling the industrial television monitoring picture by the individual mobile terminal in the individual cluster system specifically includes the following steps:
step Sa: designing an industrial television monitoring point position table in a visual interface of an individual soldier mobile terminal, selecting a corresponding point position, and initiating a viewing request;
and Sb: the viewing request is forwarded to the dispatching server through the individual soldier system server;
step Sc: the dispatching server uses the sip protocol to carry out call control, and the request command is sent to the monitoring gateway;
step Sd: the monitoring gateway converts the control protocol into rtsp and sends the rtsp to the industrial television server;
step Se: the industrial television server responds to the calling request;
step Sf: the monitoring gateway maps the camera rtsp url with a sip account, virtualizes the camera into a sip terminal, registers the sip terminal with the scheduling server and maintains the online state;
step Sg: the monitoring camera returns an rtp video stream;
step Sh: the industrial television server controls rtp video stream transmission by using an rtsp protocol;
step Si: the monitoring gateway converts and controls rtp video stream return by using a sip protocol;
step Sj: the scheduling server controls rtp video stream return by using a sip protocol;
step Sk: the individual system server returns a real-time video stream picture to the individual mobile terminal;
step Sl: according to the requirements of individual soldier mobile terminals, the scheduling server records the real-time video pictures and stores the real-time video pictures into the storage server, so that the real-time video pictures can be called and reviewed at a later period conveniently.
Further, the initiating of the fixed-line telephone user and the individual mobile terminal to start the group teleconference in step S3 specifically includes the following steps:
step 1: a dispatcher selects a program control group user and an individual soldier mobile terminal user in a visual dispatching platform and initiates a telephone conference request;
step 2: the dispatching server sends a call request to the digital relay gateway by using a sip protocol;
and step 3: the digital trunk gateway converts the control protocol and the signaling, and initiates a call request to the SPC exchange by using an ss7 protocol;
and 4, step 4: the program controlled exchanger rings the fixed telephone user;
and 5: the fixed-line user answers the phone and returns the analog voice signal;
step 6: the SPC exchange converts the analog signal into a digital signal and controls the return by using ss7 signaling;
and 7: the digital relay gateway converts the signaling and control protocol, and controls the return of the voice data IP packet by using the sip protocol;
and 8: the dispatching server sends a call request to the individual soldier system server by using a sip protocol;
and step 9: the individual system server initiates a call to the mobile terminal;
step 10: the mobile terminal starts a call, and the sip protocol controls the return of a voice ip data packet;
step 11: the individual system server controls the return of the voice ip data packet by using an sip protocol;
step 12: the dispatching server receives the voice data returned by the program control exchange system and the individual soldier trunking system, outputs the voice data to the visual dispatching platform and continuously transmits the multi-party voice data in real time;
step 13: and if the dispatching personnel need to record the voice of the teleconference, the dispatching server stores the voice data to the storage server.
Compared with the prior art, the invention has the following beneficial effects:
the invention can switch communication in a plurality of service systems and can realize on-site monitoring video synchronization.
Drawings
Fig. 1 is a block diagram of a system configuration according to an embodiment of the present invention.
Fig. 2 is a communication diagram for calling an industrial television by an individual mobile terminal according to an embodiment of the present invention.
Fig. 3 is a group teleconference communication diagram of a fixed-line user and an individual mobile terminal user according to an embodiment of the present invention.
Detailed Description
The invention is further explained below with reference to the drawings and the embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, the embodiment provides a multidimensional information-fused power emergency command and dispatch communication system, which is characterized in that: the system comprises a visual dispatching platform, a dispatching server, a storage server, a media gateway, an individual soldier trunking system, a program control exchange system and an industrial television monitoring system; the scheduling server is in communication connection with the media gateway; the media gateway is respectively in communication connection with the program control exchange system and the industrial television monitoring system; the dispatching server realizes the management of single call and group call among the voice terminals in the program control exchange system through the media gateway; the scheduling server also realizes management of data transmission and scheduling of the industrial television monitoring system through the media gateway; the scheduling server is also connected with the individual soldier cluster system and used for managing data transmission and scheduling of the individual soldier cluster system; the scheduling server is connected with the storage server through a data communication network and used for controlling the storage server to store data transmitted in a communication process; the dispatching server is connected with the visual dispatching platform through a data communication network and is used for carrying out visual interface design, unified configuration management and state monitoring on the system through the visual dispatching platform.
In this embodiment, the media gateway includes a digital relay gateway and a monitoring gateway; the program control exchange system comprises a program control exchange and a plurality of voice terminals, wherein the program control exchange is connected with the voice terminals, and the program control exchange is also connected with the digital trunk gateway; the industrial television monitoring system comprises an industrial television server and a plurality of monitoring devices, wherein the industrial television server is connected with the monitoring devices and is also connected with the monitoring gateway; the individual soldier cluster system comprises an individual soldier system server and an individual soldier mobile terminal, the individual soldier system server is connected with the individual soldier mobile terminal, and the individual soldier system server is also connected with the dispatching server; the digital relay gateway and the monitoring gateway are both connected with the dispatching server, and the dispatching server manages single call and group call among the voice terminals through the digital relay gateway and the SPC switch; the dispatching server manages the transmission and dispatching of the monitoring data of the monitoring equipment through the monitoring gateway and the industrial television server; the scheduling server realizes management of data transmission and scheduling of the individual soldier mobile terminal through the individual soldier system server
In the present embodiment, the voice terminal includes, but is not limited to, a general telephone set and a mobile phone.
In this embodiment, the monitoring devices include, but are not limited to, industrial cameras and monitors.
Preferably, the embodiment further provides a working method of the power emergency command and dispatch communication system with multi-dimensional information fusion, which includes the following steps:
step S1: a worker dials a fixed telephone or a mobile phone through a visual dispatching platform in an emergency dispatching center to carry out voice communication with field workers, or is connected with an individual soldier mobile terminal to carry out real-time voice and video conversation, and meanwhile, data information of characters, sound recording and video recording can be sent;
step S2: if the staff checks the production site, the scheduling server is executed on the visual scheduling platform to control the industrial television monitoring system; the dispatching server is connected with the industrial television monitoring system in a GB28181 mode, image resources of the industrial television monitoring system are converted into standard SIP resources and are registered in the dispatching server, and monitoring pictures can be called from the dispatching server or an individual soldier mobile terminal;
step S3: selecting a plurality of user objects in a visual scheduling platform, and starting a group conference function; the user objects include: fixed telephone, mobile phone, individual mobile terminal, monitoring camera; if the group video conference is started, the users of the other individual soldier mobile terminals can return real-time voice and video pictures except that the fixed telephone, the mobile phone end and part of the individual soldier mobile terminals only transmit voice data; the fixed telephone, the mobile phone end and part of the individual mobile terminals can start the group telephone conference.
As shown in fig. 2, in this embodiment, the step S2 of calling the industrial television monitoring picture by the individual mobile terminal in the individual cluster system specifically includes the following steps:
step Sa: designing an industrial television monitoring point position table in a visual interface of an individual soldier mobile terminal, selecting a corresponding point position, and initiating a viewing request;
and Sb: the viewing request is forwarded to the dispatching server through the individual soldier system server;
step Sc: the dispatching server uses the sip protocol to carry out call control, and the request command is sent to the monitoring gateway;
step Sd: the monitoring gateway converts the control protocol into rtsp and sends the rtsp to the industrial television server;
step Se: the industrial television server responds to the calling request;
step Sf: the monitoring gateway maps the camera rtsp url with a sip account, virtualizes the camera into a sip terminal, registers the sip terminal with the scheduling server and maintains the online state;
step Sg: the monitoring camera returns an rtp video stream;
step Sh: the industrial television server controls rtp video stream transmission by using an rtsp protocol;
step Si: the monitoring gateway converts and controls rtp video stream return by using a sip protocol;
step Sj: the scheduling server controls rtp video stream return by using a sip protocol;
step Sk: the individual system server returns a real-time video stream picture to the individual mobile terminal;
step Sl: according to the requirements of individual soldier mobile terminals, the scheduling server records the real-time video pictures and stores the real-time video pictures into the storage server, so that the real-time video pictures can be called and reviewed at a later period conveniently.
As shown in fig. 3, in this embodiment, the initiating of the fixed-line telephone user and the opening of the group teleconference by the individual mobile terminal in step S3 specifically includes the following steps:
step 1: a dispatcher selects a program control group user and an individual soldier mobile terminal user in a visual dispatching platform and initiates a telephone conference request;
step 2: the dispatching server sends a call request to the digital relay gateway by using a sip protocol;
and step 3: the digital trunk gateway converts the control protocol and the signaling, and initiates a call request to the SPC exchange by using an ss7 protocol;
and 4, step 4: the program controlled exchanger rings the fixed telephone user;
and 5: the fixed-line user answers the phone and returns the analog voice signal;
step 6: the SPC exchange converts the analog signal into a digital signal and controls the return by using ss7 signaling;
and 7: the digital relay gateway converts the signaling and control protocol, and controls the return of the voice data IP packet by using the sip protocol;
and 8: the dispatching server sends a call request to the individual soldier system server by using a sip protocol;
and step 9: the individual system server initiates a call to the mobile terminal;
step 10: the mobile terminal starts a call, and the sip protocol controls the return of a voice ip data packet;
step 11: the individual system server controls the return of the voice ip data packet by using an sip protocol;
step 12: the dispatching server receives the voice data returned by the program control exchange system and the individual soldier trunking system, outputs the voice data to the visual dispatching platform and continuously transmits the multi-party voice data in real time;
step 13: and if the dispatching personnel need to record the voice of the teleconference, the dispatching server stores the voice data to the storage server.
Preferably, in this embodiment, the multidimensional information-fused emergency dispatch communication system is mainly composed of a visual dispatch platform, a dispatch server, and a storage server. The system takes a soft switch as a center and integrates three system functions of a program control exchange system, an individual soldier cluster system and an industrial television monitoring system through different media gateways.
The soft switching technology is the core technology of the NGN network, and provides call control and connection control functions for services with real-time requirements. The soft switching technology is independent of the transmission network, mainly completes the main functions of call control, resource allocation, protocol processing, routing, authentication, charging and the like, and simultaneously can provide all services which can be provided by the existing circuit switch for users and provide programmable capability for third parties.
(1) The visual scheduling server: based on the design of the soft switch technology, the system is responsible for the functions of visual interface design, unified configuration management, state monitoring and the like of the whole set of emergency dispatching communication system.
(2) A scheduling server: based on SIP protocol, the existing network resources and the original resources of other subsystems are mainly utilized to realize the management of functions such as single call, group call and the like among voice terminals such as common telephones, mobile phones and the like in the program control exchange system; and meanwhile, the data transmission and scheduling of the individual soldier cluster system embedded with the multimedia audio and video and the industrial television monitoring system are managed. SIP is an application-layer signaling control protocol. For creating, modifying and releasing sessions of one or more participants. These sessions may be Internet multimedia conferences, IP telephony or multimedia distribution. The participants of the session may communicate via multicast, mesh unicast, or a mixture of both.
(3) A storage server: the data such as data, voice, video, pictures and the like transmitted in the communication process are stored and managed.
(4) A digital trunk gateway: connecting PSTN and NGN network, realizing the function of converting IP packet and TDM. It carries the voice tandem task of IP domain and circuit domain. The functions of the relay gateway include: voice processing functions, call processing to control, maintenance, management, and the like. It can control the call connected with it according to the command of soft exchange, and can make ringing, play dial tone, ring back tone and busy tone, etc. Supporting signaling: no.7, No.1, Q.931, Q.sig.
(5) Monitoring the gateway: and realizing the fusion and intercommunication between the scheduling server and the video monitoring system. The industrial television system is connected in a GB28181 mode, image resources of the industrial television system are converted into standard SIP resources and are registered in the dispatching SIP server, and the emergency dispatching communication system can call monitoring pictures from the dispatching server or an individual soldier mobile terminal.
(6) The program control exchange system comprises: in the circuit switching network, the telephone switching system which utilizes the modern computer technology to complete the work of control, connection and the like mainly completes the voice communication function of terminals such as fixed telephones, mobile phones and the like.
(7) Individual soldier cluster system: the individual soldier cluster system mainly comprises a cluster server and mobile terminal equipment. And managing and controlling the front-end mobile terminal through the cluster server. The mobile terminal can utilize 4G, Wi-Fi or other wireless network technologies to carry out real-time data, image and audio-video transmission with a cluster server or other individual mobile terminals. When the portable audio/video monitoring system works daily or deals with emergencies, relevant personnel carry the portable or handheld mobile terminal equipment to go to the site, and real-time audio/video information of the site is timely transmitted back to the background monitoring center through the wireless network.
(8) Industrial television monitoring system: television system for monitoring an industrial process and its environment. The system mainly comprises an industrial camera, a transmission channel, a controller and a monitor. The method is applied to the aspects of real-time monitoring, safety, fire fighting and the like in the production process.
The multi-dimensional information fusion emergency command and dispatch communication system mainly has the application scenes that:
dialing a fixed telephone or a mobile phone by using a visual platform in an emergency dispatching center to carry out voice communication;
the emergency dispatching center is connected with the individual soldier system mobile terminal by using a visual platform, carries out real-time voice and video conversation and can send data information of characters, sound recording and video recording;
connecting an industrial television system by using a visual platform in an emergency dispatching center, and checking a real-time picture of a monitoring camera of a specified production site;
and selecting any user object in the visual interface and starting the group conference function. The user object may include: fixed line, cell-phone, individual soldier's mobile terminal, surveillance camera head. If the group video conference is started, the other individual mobile terminal users can return real-time voice and video pictures except the fixed telephone and the mobile phone which only transmit voice data;
in the individual soldier mobile terminal, a production field monitoring picture in the industrial television monitoring system can be called and checked.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (7)
1. The utility model provides a multidimension degree information fusion's electric power emergency command dispatch communication system which characterized in that: the system comprises a visual dispatching platform, a dispatching server, a storage server, a media gateway, an individual soldier trunking system, a program control exchange system and an industrial television monitoring system; the scheduling server is in communication connection with the media gateway; the media gateway is respectively in communication connection with the program control exchange system and the industrial television monitoring system; the dispatching server realizes the management of single call and group call among the voice terminals in the program control exchange system through the media gateway; the scheduling server also realizes management of data transmission and scheduling of the industrial television monitoring system through the media gateway; the scheduling server is also connected with the individual soldier cluster system and used for managing data transmission and scheduling of the individual soldier cluster system; the scheduling server is connected with the storage server through a data communication network and used for controlling the storage server to store data transmitted in a communication process; the dispatching server is connected with the visual dispatching platform through a data communication network and is used for carrying out visual interface design, unified configuration management and state monitoring on the system through the visual dispatching platform.
2. The multidimensional information-fused power emergency command and dispatch communication system according to claim 1, wherein: the media gateway comprises a digital relay gateway and a monitoring gateway; the program control exchange system comprises a program control exchange and a plurality of voice terminals, wherein the program control exchange is connected with the voice terminals, and the program control exchange is also connected with the digital trunk gateway; the industrial television monitoring system comprises an industrial television server and a plurality of monitoring devices, wherein the industrial television server is connected with the monitoring devices and is also connected with the monitoring gateway; the individual soldier cluster system comprises an individual soldier system server and an individual soldier mobile terminal, the individual soldier system server is connected with the individual soldier mobile terminal, and the individual soldier system server is also connected with the dispatching server; the digital relay gateway and the monitoring gateway are both connected with the dispatching server, and the dispatching server manages single call and group call among the voice terminals through the digital relay gateway and the SPC switch; the dispatching server manages the transmission and dispatching of the monitoring data of the monitoring equipment through the monitoring gateway and the industrial television server; and the scheduling server manages the data transmission and scheduling of the individual soldier mobile terminal through the individual soldier system server.
3. The multidimensional information-fused power emergency command and dispatch communication system according to claim 1, wherein: the voice terminal includes but is not limited to a general phone and a mobile phone.
4. The multidimensional information-fused power emergency command and dispatch communication system according to claim 1, wherein: monitoring devices include, but are not limited to, industrial cameras and monitors.
5. An operating method of the multidimensional information-fused power emergency command and dispatch communication system according to any one of claims 1 to 4, characterized by comprising the following steps: the method comprises the following steps:
step S1: a worker dials a fixed telephone or a mobile phone through a visual dispatching platform in an emergency dispatching center to carry out voice communication with field workers, or is connected with an individual soldier mobile terminal to carry out real-time voice and video conversation, and meanwhile, data information of characters, sound recording and video recording can be sent;
step S2: if the staff checks the production site, the scheduling server is executed on the visual scheduling platform to control the industrial television monitoring system; the dispatching server is connected with the industrial television monitoring system in a GB28181 mode, image resources of the industrial television monitoring system are converted into standard SIP resources and are registered in the dispatching server, and monitoring pictures can be called from the dispatching server or an individual soldier mobile terminal;
step S3: selecting a plurality of user objects in a visual scheduling platform, and starting a group conference function; the user objects include: fixed telephone, mobile phone, individual mobile terminal, monitoring camera; if the group video conference is started, the users of the other individual soldier mobile terminals can return real-time voice and video pictures except that the fixed telephone, the mobile phone end and part of the individual soldier mobile terminals only transmit voice data; the fixed telephone, the mobile phone end and part of the individual mobile terminals can start the group telephone conference.
6. The working method of the multidimensional information-fused power emergency command and dispatch communication system according to claim 5, characterized in that: the calling of the industrial television monitoring picture by the individual mobile terminal in the individual cluster system in the step S2 specifically comprises the following steps:
step Sa: designing an industrial television monitoring point position table in a visual interface of an individual soldier mobile terminal, selecting a corresponding point position, and initiating a viewing request;
and Sb: the viewing request is forwarded to the dispatching server through the individual soldier system server;
step Sc: the dispatching server uses the sip protocol to carry out call control, and the request command is sent to the monitoring gateway;
step Sd: the monitoring gateway converts the control protocol into rtsp and sends the rtsp to the industrial television server;
step Se: the industrial television server responds to the calling request;
step Sf: the monitoring gateway maps the camera rtsp url with a sip account, virtualizes the camera into a sip terminal, registers the sip terminal with the scheduling server and maintains the online state;
step Sg: the monitoring camera returns an rtp video stream;
step Sh: the industrial television server controls rtp video stream transmission by using an rtsp protocol;
step Si: the monitoring gateway converts and controls rtp video stream return by using a sip protocol;
step Sj: the scheduling server controls rtp video stream return by using a sip protocol;
step Sk: the individual system server returns a real-time video stream picture to the individual mobile terminal;
step Sl: according to the requirements of individual soldier mobile terminals, the scheduling server records the real-time video pictures and stores the real-time video pictures into the storage server, so that the real-time video pictures can be called and reviewed at a later period conveniently.
7. The working method of the multidimensional information-fused power emergency command and dispatch communication system according to claim 5, characterized in that: the step S3 of initiating a fixed-line user and an individual mobile terminal to start a group teleconference specifically includes the following steps:
step 1: a dispatcher selects a program control group user and an individual soldier mobile terminal user in a visual dispatching platform and initiates a telephone conference request;
step 2: the dispatching server sends a call request to the digital relay gateway by using a sip protocol;
and step 3: the digital trunk gateway converts the control protocol and the signaling, and initiates a call request to the SPC exchange by using an ss7 protocol;
and 4, step 4: the program controlled exchanger rings the fixed telephone user;
and 5: the fixed-line user answers the phone and returns the analog voice signal;
step 6: the SPC exchange converts the analog signal into a digital signal and controls the return by using ss7 signaling;
and 7: the digital relay gateway converts the signaling and control protocol, and controls the return of the voice data IP packet by using the sip protocol;
and 8: the dispatching server sends a call request to the individual soldier system server by using a sip protocol;
and step 9: the individual system server initiates a call to the mobile terminal;
step 10: the mobile terminal starts a call, and the sip protocol controls the return of a voice ip data packet;
step 11: the individual system server controls the return of the voice ip data packet by using an sip protocol;
step 12: the dispatching server receives the voice data returned by the program control exchange system and the individual soldier trunking system, outputs the voice data to the visual dispatching platform and continuously transmits the multi-party voice data in real time;
step 13: and if the dispatching personnel need to record the voice of the teleconference, the dispatching server stores the voice data to the storage server.
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