CN109714561A - A kind of SIP conference control method based on INFO message - Google Patents
A kind of SIP conference control method based on INFO message Download PDFInfo
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- CN109714561A CN109714561A CN201910012333.9A CN201910012333A CN109714561A CN 109714561 A CN109714561 A CN 109714561A CN 201910012333 A CN201910012333 A CN 201910012333A CN 109714561 A CN109714561 A CN 109714561A
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Abstract
The present invention provides a kind of SIP conference control method based on INFO message, including videoconference server, SIP registrar server, SIP video telephone and proxy server；For the proxy server for converting websocket message and sip message, user and host are registered to SIP registrar server by SIP video telephone；Host logs on to videoconference server, carries out the control in meeting-place；The request of meeting-place control is forwarded to videoconference server by proxy server, and videoconference server is handled, and by the result notice of processing to host；User logs on to videoconference server and participates in video conference, and user easily can complete all kinds of meeting-place controlling behaviors by client.
Description
Technical field
The present invention relates to a kind of SIP conference control method based on INFO message.
Background technique
With the development of network communication and multimedia technology, video conferencing system is applied and is given birth to.Video conferencing system is one
Kind realizes the application system of virtual meeting by video compress, audio compression and multimedia communication technology, can make geographically to divide
Scattered participant carries out real time information exchange by video, acoustic information stream and shares, and carries out cooperative work mode.Based on demand
It is increasing, video conferencing system has been widely used all trades and professions such as traffic, electric power, education, medical treatment, become meeting, association
Same, commander, the powerful dispatched.
The function of video conference is increasingly enriched, and corresponding meeting-place control also gradually complicates.One flexible, expansible
Meeting-place controlling mechanism is most important for conference system.But in existing technical specification, there are no comparative maturities
Meeting-place control program.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of SIP conference control method based on INFO message, user
All kinds of meeting-place controlling behaviors easily can be completed by client.
The present invention is implemented as follows: a kind of SIP conference control method based on INFO message, including video conference service
Device, SIP registrar server, SIP video telephone and proxy server；The proxy server disappears for converting websocket
Breath and sip message, specifically comprise the following steps:
User and host are registered to SIP registrar server by SIP video telephone；
Host logs on to videoconference server, carries out the control in meeting-place；
The request of meeting-place control is forwarded to videoconference server by proxy server, at videoconference server
Reason, and by the result notice of processing to host；
User logs on to videoconference server and participates in video conference.
Further, the videoconference server includes: WEB server, media server and Conference server, institute
WEB server is stated for providing WEB service, the media server for managing media resource, the synthesis of audio-video frequency media and
Forwarding；The Conference server is for managing conferencing resource.
Further, the meeting-place control includes Conference control, permission control and Service controll；
The Conference control includes: the creation, deletion and modification of meeting；The invitation of member kicks and removes and delete；Meeting is set
The layout information of video window；
The permission control includes: switching that is mute, prohibiting speech, lock meeting, Desktop Share, switch secondary flow and host；
The Service controll includes: recording service.
Further, the SIP video telephone includes base, mobile phone and meeting box.
The present invention has the advantage that a kind of SIP conference control method based on INFO message, meeting-place is controlled in event package
Control Cooling abundant is defined, user easily can complete all kinds of meeting-place controlling behaviors by client.XML is expansible mark
Remember that language, meeting-place control event package are write by XML, this makes it have good scalability and flexibility, and developer can root
It is needed according to the business of oneself, is based on existing XML specification, increased Service control label, quickly increase new control scene.
Detailed description of the invention
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is video conference frame diagram of the present invention.
Fig. 2 is control signaling flow chart in meeting-place of the present invention.
Fig. 3 is the schematic diagram of creation, modification and the deletion of meeting of the present invention.
Fig. 4 is the schematic diagram of host of the present invention invitation and removing members.
Fig. 5 is the schematic diagram of the display picture of present invention switching meeting main screen and son screen.
Fig. 6 is the schematic diagram that host of the present invention controls meeting permission.
Fig. 7 is the schematic diagram that rank and file of the present invention applies for meeting permission to host.
Fig. 8 is the schematic diagram that host of the present invention opens recording or recording service.
Specific embodiment
The present invention is based on the SIP conference control method of INFO message, including videoconference server, SIP registrar server,
SIP video telephone and proxy server；The proxy server is specific to wrap for converting websocket message and sip message
Include following steps:
User and host are registered to SIP registrar server by SIP video telephone；
Host logs on to videoconference server, carries out the control in meeting-place；
The request of meeting-place control is forwarded to videoconference server by proxy server, at videoconference server
Reason, and by the result notice of processing to host；
User logs on to videoconference server and participates in video conference.
The videoconference server includes: WEB server, media server and Conference server, the WEB service
Device is for providing WEB service, and the media server is for managing media resource, the synthesis and forwarding of audio-video frequency media；It is described
Conference server is for managing conferencing resource.
The meeting-place control includes Conference control, permission control and Service controll；
The Conference control includes: the creation, deletion and modification of meeting；The invitation of member kicks and removes and delete；Meeting is set
The layout information of video window；
The permission control includes: switching that is mute, prohibiting speech, lock meeting, Desktop Share, switch secondary flow and host；
The Service controll includes: recording service.
The SIP video telephone includes base, mobile phone and meeting box.
A kind of specific embodiment of the present invention:
Fig. 1 is a general framework of video conferencing system.
Videoconference server: video conference service is provided.Mainly it is made of three WEB, media and meeting servers.
WEB server: it provides WEB service (System Management Daemon and user home page).
Media server: management media resource, the synthesis and forwarding of audio-video frequency media.
Conference server: management conferencing resource.
SIP registrar server: soft switch.Since video conferencing system is based on Session Initiation Protocol, it can dock existing
Arbitrary SIP network (such as: IMS network, self-built VOIP network of enterprise of major operator etc.), do not need any transformation
Cost only needs administrator to configure the SIP account for needing to dock network in video conferencing system.
SIP video telephone: supporting the terminal of video calling, can be base, mobile phone, meeting box etc..User will pass through
Such terminal-joined video conference.
WebRTC2SIP: proxy server is responsible for conversion websocket message and sip message.
Web browser: the Web browser on PC or mobile phone
Interaction protocol between network element:
Session Initiation Protocol: SIP registrar server, Conference server, SIP video telephone and WebRTP2SIP.
Http protocol: WEB server and web browser.
WebSocket agreement: WebRTP2SIP and web browser.
RTP/RTCP agreement: media server and SIP video telephone.
BFCP agreement: Conference server and SIP video telephone.
The internal server of videoconference server is interacted by proprietary protocol.
Interaction protocol belongs to application layer protocol between said network element.Its corresponding transport layer protocol is as follows:
Session Initiation Protocol: UDP or TCP
Http protocol: TCP
WebSocket agreement: TCP
RTP/RTCP assists agreement: UDP
BFCP agreement: UDP or TCP
Interaction flow explanation:
Conference server and user need registration (SIP REGISTER) to SIP registrar server.
The participant of meeting enters meeting.
The host of meeting passes through web browser and logs in conference system, carries out meeting-place control.
The request (SIP INFO) of meeting-place control is forwarded to Conference server by proxy server.
Conference server gives host according to the request for handling user, and by the result notice of processing (SIP NOTIFY).
Fig. 2 is the signaling process figure that user initiates meeting-place control.
WEB client side sends the websocket message for carrying SIP INFO control signaling to proxy server.
Proxy server extracts SIP INFO control signaling from websocket message, and is transmitted to meeting clothes
Business device.
After Conference server receives SIP INFO request, corresponding controlling behavior is executed, and implementing result will be returned.
Table 1 gives the explanation of meeting-place control XML format document.Meeting-place control can be divided into three classes, respectively meeting control
System, permission control and Service controll.
Conference control includes: creation, deletion and the modification of meeting；The invitation of member kicks and removes and delete；TV news are set
The layout information etc. of window.
Permission control includes: mute, taboo speech, lock meeting, Desktop Share, the switching for switching secondary flow and host.These controls
Behavior can be applied from common participant to host, or be directly configured by host.
Service controll is at this stage only comprising recording service.
The XML Schema definition of meeting-place control event package conference-control forth below.
When SIP INFO message carries meeting-place control message, the value in the domain " Content-Type " need to be set as
“application/conference-control+xml”
Fig. 3 to Fig. 8 describes the Signalling exchange process of various meeting-place controls.
As shown in figure 3, the creation of meeting, modification and deletion
User logs in homepage, creation, modification and after deleting meeting, server can issue meeting update information to meeting at
Member's homepage.
As shown in figure 4, host invites and removing members
Host invites user to attend a meeting perhaps, and by user, user will receive invitation or from meeting after deleting in meeting
It is exited in view.Meanwhile user home page can increase or delete conferencing information newly.
As shown in figure 5, the display people of switching meeting main screen and son screen
The video pictures of meeting are made of a main screen and multiple sub- screens.Host can switch the display of main screen and son screen
People.User can only switch the display people of sub- screen.
As shown in fig. 6, host controls meeting permission
The permission that host possesses: mute, taboo speech, lock meeting, Desktop Share, the switching for switching secondary flow and host.
As shown in fig. 7, rank and file applies for meeting permission to host
The permission that user can apply: mute or taboo speech, Desktop Share are released.User, which passes through homepage, can check it in meeting
In state.It if it find that being muted or prohibiting speech, can apply for be a visitor at a meeting power or right to speak to host, that is, release mute or taboo speech
State.
As shown in figure 8, host opens recording or recording service
Host can record and record a video to meeting.Meeting takes server and can notify the URL of recorded file to use
Householder's page.User can be downloaded by the URL of recorded file.
The meaning of XML document is described in detail in table 1.1~1.8.
Table 1:conference-control XML document structure general view
XML document structure detailed annotation:
Table 1.1:conference-control tag definition
Table 1.2:conference tag definition
Table 1.3:media tag definition
Table 1.4:video tag definition
Table 1.5:permission tag definition
Table 1.6:service tag definition
Table 1.7:record tag definition
Table 1.8:conference-info tag definition
Wherein conference-control XML Schema is defined as follows:
Although specific embodiments of the present invention have been described above, those familiar with the art should be managed
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field should be covered of the invention according to modification and variation equivalent made by spirit of the invention
In scope of the claimed protection.
Claims (4)
1. a kind of SIP conference control method based on INFO message, it is characterised in that: including videoconference server, SIP registration
Server, SIP video telephone and proxy server；The proxy server is used to convert websocket message and SIP disappears
Breath, specifically comprises the following steps:
User and host are registered to SIP registrar server by SIP video telephone；
Host logs on to videoconference server, carries out the control in meeting-place；
The request of meeting-place control is forwarded to videoconference server by proxy server, and videoconference server is handled,
And by the result notice of processing to host；
User logs on to videoconference server and participates in video conference.
2. a kind of SIP conference control method based on INFO message according to claim 1, it is characterised in that: the view
Frequency Conference server includes: WEB server, media server and Conference server, and the WEB server is for providing WEB
Service, the media server is for managing media resource, the synthesis and forwarding of audio-video frequency media；The Conference server is used for
Manage conferencing resource.
3. a kind of SIP conference control method based on INFO message according to claim 1, it is characterised in that: the meeting
Field control includes Conference control, permission control and Service controll；
The Conference control includes: the creation, deletion and modification of meeting；The invitation of member kicks and removes and delete；TV news are set
The layout information of window；
The permission control includes: switching that is mute, prohibiting speech, lock meeting, Desktop Share, switch secondary flow and host；
The Service controll includes: recording service.
4. a kind of SIP conference control method based on INFO message according to claim 1, it is characterised in that: the SIP
Video telephone includes base, mobile phone and meeting box.
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Cited By (4)
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| CN112565665A (en) * | 2020-12-08 | 2021-03-26 | 北京北信源软件股份有限公司 | Video conference control method and device, electronic equipment and storage medium |
| CN113055630A (en) * | 2019-12-26 | 2021-06-29 | 北京握联信息技术有限公司 | Conference control method based on audio and video conference system development |
| US20230032434A1 (en) * | 2021-07-31 | 2023-02-02 | Zoom Video Communications, Inc. | Intelligent notification of multitasking options during a communication session |
| CN117812218A (en) * | 2024-02-28 | 2024-04-02 | 安康鸿天科技股份有限公司 | Split screen conference realization method based on IMS communication single stream media channel |
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