CN109246115A - Session Initiation Protocol wireless network monitoring method at GB28181 - Google Patents
Session Initiation Protocol wireless network monitoring method at GB28181 Download PDFInfo
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- CN109246115A CN109246115A CN201811122507.9A CN201811122507A CN109246115A CN 109246115 A CN109246115 A CN 109246115A CN 201811122507 A CN201811122507 A CN 201811122507A CN 109246115 A CN109246115 A CN 109246115A
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- sip
- svr
- ipc
- server
- wireless network
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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
- H04L65/40—Support for services or applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
-
- 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
- H04L65/1073—Registration or de-registration
-
- 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
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
-
- 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
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
-
- 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
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/6437—Real-time Transport Protocol [RTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Telephonic Communication Services (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Wireless network monitoring method that the invention discloses Session Initiation Protocol at GB28181.It is linked into the corresponding sip server in cloud by sip protocol, and is controlled and interacted by sip server, corresponding RTP data packet is pushed to cloud multimedia server, and by decoder module transcoding, supply multiple outer net client controls by rtmp mode.The beneficial effects of the present invention are: by the equipment centralized management in different physical locations and taking stream broadcasting that can dispatch so as to the timely management and control devices of manager for emergency scene with real-time perfoming in real time by 4G dial mode and sip protocol.
Description
Technical field
The present invention relates to security protection video correlative technology fields, refer in particular to Session Initiation Protocol wireless network at GB28181 and monitor
Method.
Background technique
GB28181 " safety precaution video monitoring networking system information transmissions, exchange, control technology requirement " is by the Ministry of Public Security
Scientific and technological information office proposes, is under the jurisdiction of national guard and alarm system technical committee for standardization (TCST) (SAC/TC100), the Ministry of Public Security
One etc. a national standard drafting jointly of more units.
The standard specifies information transmission, exchange, the interconnection architectures of control, communication protocols in city monitoring alarm networking system
Discuss structure, the technologies such as transmission, exchange, the basic demand and security requirement controlled, and control, transmission flow and protocol interface
It is required that.The standard is suitable for the conceptual design of safety precaution monitoring alarm networked system, system detection, examination and associated
Equipment research and development, production, other information system can refer to use.
The standard on June 1st, 2012, formally implemented by publication, general in safe city project construction in China
All over popularization and application.
The application scenarios of existing GB28181 agreement, so that public security platform cannot be monitored at any time by way of outer net
The network equipment to other than public security platform, so also timely emergency scheduling cannot be carried out according to realtime graphic.
Summary of the invention
The present invention is in order to overcome the above deficiencies in the prior art, to provide and a kind of monitored at any time by outer net
Session Initiation Protocol wireless network monitoring method at GB28181.
To achieve the goals above, the invention adopts the following technical scheme:
Session Initiation Protocol wireless network monitoring method at GB28181, specifically comprises the following steps:
(1) IPC starts GB28181 module and registers to SIP_SVR central server；
(2) after the starting of SIP_SVR central server, IP and the port of configuration are monitored, when receiving SIP registration packet, judgement
Whether authentication header that is empty；If it is sky, the equipment for returning to random number to request enters in next step；If being not sky, test
Whether correct demonstrate,prove user name password；If correct, (4) are entered step, if it fails, then returning to 401 authentification failures；
(3) IPC receives the mistake of 401 authentification failures, then obtains whether have authentication header that information, if so, then read with
Machine number and algorithm pattern combine username and password and retransmit certification further according to random number and algorithm pattern；If received
200OK then enters in next step；
(4) SIP_SVR registers the facility information that the registration of authenticated mistake comes up, and sends 200OK information；
(5) SIP_SVR receives upper-layer service layer and takes stream instruction, the IP comprising multimedia reception server and end in instruction
Mouthful, the IP of multimedia reception server and port set packet are sent to IPC by the invite instruction of Session Initiation Protocol by sip server
Equipment；
(6) after SIP_SVR sends invite instruction, IPC can be waited to return, if receiving response message message package, given birth to
Transcode module parsing rtp at SDP file for multimedia server is used；If can not receive response or 400bad
Request, then it represents that do not support invite that stream is taken to instruct；
(7) after operation layer gets SDP file, it can send again and stream is taken to instruct, SIP_SVR can be sent out again after receiving instruction
Send ack instruction that can send on RTP audio, video data to corresponding multimedia server to IPC, IPC, transcode module receives
Corresponding stream compression is changed into RTMP after RTP data packet；
(8) operation layer carries out preview broadcasting according to the corresponding address RTMP.
By 4G dial mode and sip protocol, by the equipment centralized management in different physical locations and stream is taken to broadcast in real time
It puts, so as to the timely management and control devices of manager, can be dispatched for emergency scene with real-time perfoming.It can be applied to safety-security area
The version application of GB28181-2016 agreement or more；Main corresponding security device passes through outer net in wireless 4G or wifi module
Mode access.It is linked into the corresponding sip server in cloud by sip protocol, and is controlled and is interacted by sip server, will be corresponded to
RTP data packet be pushed to cloud multimedia server, and by decoder module transcoding, multiple outer netters are supplied by rtmp mode
The monitoring of family end.
Preferably, in step (1), IPC starts GB28181 module, according to SIP_SVR, device id of setting and
Port numbers are registered after being combined into SIP registration packet to SIP_SVR central server.
Preferably, in step (4), facility information include IP address and port, device id, username and password,
Registration maintenance cycle information.
Preferably, IPC can retransmit 101 or hair if supported according to the ability of itself in step (5)
Send 200OK；If it does not, can then return to 400bad request to SIP_SVR.
Preferably, the transcode module for generating SDP file for multimedia server parses rtp in step (6)
While use, records corresponding resource information and used so that subsequent stopping plays stream.
The beneficial effects of the present invention are: the equipment collection of different physical locations will be in by 4G dial mode and sip protocol
Middle control simultaneously takes stream broadcasting that can dispatch so as to the timely management and control devices of manager for emergency scene with real-time perfoming in real time.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
In embodiment as described in Figure 1, Session Initiation Protocol wireless network monitoring method at GB28181 specifically includes following step
It is rapid:
(1) IPC starts GB28181 module, according to SIP_SVR, device id and the port numbers of setting, is combined into SIP note
It is registered after volume packet to SIP_SVR central server；
(2) after the starting of SIP_SVR central server, IP and the port of configuration are monitored, when receiving SIP registration packet, judgement
Whether authentication header that is empty；If it is sky, the equipment for returning to random number to request enters in next step；If being not sky, test
Whether correct demonstrate,prove user name password；If correct, (4) are entered step, if it fails, then returning to 401 authentification failures；
(3) IPC receives the mistake of 401 authentification failures, then obtains whether have authentication header that information, if so, then read with
Machine number and algorithm pattern combine username and password and retransmit certification further according to random number and algorithm pattern；If received
200OK then enters in next step；
(4) SIP_SVR registers the facility information that the registration of authenticated mistake comes up, and facility information includes IP address and end
Mouth, device id, username and password, registration maintenance cycle information send 200OK information；
(5) SIP_SVR receives upper-layer service layer and takes stream instruction, the IP comprising multimedia reception server and end in instruction
Mouthful, the IP of multimedia reception server and port set packet are sent to IPC by the invite instruction of Session Initiation Protocol by sip server
Equipment；IPC can retransmit 101 or send 200OK according to the ability of itself if supported；If it does not, then can
Return to 400bad request to SIP_SVR；
(6) after SIP_SVR sends invite instruction, IPC can be waited to return, if receiving response message message package, given birth to
At SDP file for multimedia server transcode module parsing rtp use, while record corresponding resource information for
Subsequent stopping plays stream and uses；If can not receive response or 400bad request, then it represents that do not support invite that stream is taken to refer to
It enables；
(7) after operation layer gets SDP file, it can send again and stream is taken to instruct, SIP_SVR can be sent out again after receiving instruction
Send ack instruction that can send on RTP audio, video data to corresponding multimedia server to IPC, IPC, transcode module receives
Corresponding stream compression is changed into RTMP after RTP data packet；
(8) operation layer carries out preview broadcasting according to the corresponding address RTMP.
The application includes three parts: the 1) registration and management between Sip server end and IPC equipment；2) sip server
Stream instruction interaction is taken between IPC equipment；3) RTP between multi-media module and IPC and multimedia turns RTMP method.Pass through
4G dial mode and sip protocol by the equipment centralized management in different physical locations and take stream broadcasting in real time, so as to manager
Timely management and control devices can be dispatched for emergency scene with real-time perfoming.Can be applied to safety-security area GB28181-2016 agreement and
Above version application；Main corresponding security device is accessed by way of outer net in wireless 4G or wifi module.Pass through sip
Agreement is linked into the corresponding sip server in cloud, and is controlled and interacted by sip server, and corresponding RTP data packet is pushed to cloud
Multimedia server is held, and by decoder module transcoding, multiple outer net client controls are supplied by rtmp mode.Relative to existing
GB28181 agreement application scenarios, public security platform can monitor the net other than public security platform at any time by way of outer net
Network equipment, and timely emergency scheduling is carried out according to realtime graphic.
Claims (5)
1.SIP agreement wireless network monitoring method at GB28181, characterized in that specifically comprise the following steps:
(1) IPC starts GB28181 module and registers to SIP_SVR central server；
(2) after the starting of SIP_SVR central server, IP and the port of configuration is monitored, when receiving SIP registration packet, judges to authenticate
Whether head is empty；If it is sky, the equipment for returning to random number to request enters in next step；If being not sky, use is verified
Whether name in an account book password is correct；If correct, (4) are entered step, if it fails, then returning to 401 authentification failures；
(3) IPC receives the mistake of 401 authentification failures, then obtains whether have authentication header that information, if so, then reading random number
And algorithm pattern combines username and password and retransmits certification further according to random number and algorithm pattern；If receiving 200OK,
Then enter in next step；
(4) SIP_SVR registers the facility information that the registration of authenticated mistake comes up, and sends 200OK information；
(5) SIP_SVR receives upper-layer service layer and takes stream instruction, the IP comprising multimedia reception server and port in instruction, SIP
The IP of multimedia reception server and port set packet are sent to IPC equipment by the invite instruction of Session Initiation Protocol by server；
(6) after SIP_SVR sends invite instruction, IPC can be waited to return, if receiving response message message package, generates SDP
File is used for the transcode module parsing rtp of multimedia server；If can not receive response or 400bad
Request, then it represents that do not support invite that stream is taken to instruct；
(7) after operation layer gets SDP file, it can send again and stream is taken to instruct, SIP_SVR can be sent again after receiving instruction
Ack instruction can be sent on RTP audio, video data to corresponding multimedia server to IPC, IPC, and transcode module receives
Corresponding stream compression is changed into RTMP after RTP data packet；
(8) operation layer carries out preview broadcasting according to the corresponding address RTMP.
2. Session Initiation Protocol according to claim 1 wireless network monitoring method at GB28181, characterized in that in step
(1) in, IPC starts GB28181 module and is combined into SIP registration packet according to SIP_SVR, device id and the port numbers of setting
Backward SIP_SVR central server registration.
3. Session Initiation Protocol according to claim 1 or 2 wireless network monitoring method at GB28181, characterized in that in step
Suddenly in (4), facility information includes IP address and port, device id, username and password, registration maintenance cycle information.
4. Session Initiation Protocol according to claim 1 or 2 wireless network monitoring method at GB28181, characterized in that in step
Suddenly in (5), IPC can retransmit 101 or send 200OK according to the ability of itself if supported；If it does not, then
400bad request to SIP_SVR can be returned.
5. Session Initiation Protocol according to claim 1 or 2 wireless network monitoring method at GB28181, characterized in that in step
Suddenly it in (6), while generating transcode module parsing rtp use of the SDP file for multimedia server, records corresponding
Resource information uses so that subsequent stopping plays stream.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811122507.9A CN109246115B (en) | 2018-09-26 | 2018-09-26 | Wireless network monitoring method of SIP protocol under GB28181 |
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| CN201811122507.9A CN109246115B (en) | 2018-09-26 | 2018-09-26 | Wireless network monitoring method of SIP protocol under GB28181 |
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| CN109246115B CN109246115B (en) | 2021-05-25 |
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| CN109246115B (en) | 2021-05-25 |
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