CN104735034B - Transmission method, the apparatus and system of Media Stream - Google Patents
Transmission method, the apparatus and system of Media Stream Download PDFInfo
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- CN104735034B CN104735034B CN201310722160.2A CN201310722160A CN104735034B CN 104735034 B CN104735034 B CN 104735034B CN 201310722160 A CN201310722160 A CN 201310722160A CN 104735034 B CN104735034 B CN 104735034B
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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
- H04L65/60—Network streaming of media packets
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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
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
Abstract
The invention discloses a kind of transmission method of Media Stream, apparatus and systems, and the transmission of Media Stream can be carried out between the conference terminal of realization support different agreement.In the present invention, request for conference and Media Stream that source terminal is sent are received, number used in the target terminal for participating in meeting is carried in the request for conference；According to the number, the media protocol that the target terminal using the number is supported is determined；According to the media protocol that the target terminal is supported, the media flow transmission is given to the target terminal.Media Stream can be transmitted to according to the target protocol that target terminal is supported by target terminal by the present invention, complete the transmission of Media Stream, realize the intercommunication between the conference terminal for supporting different media protocols.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of transmission method of Media Stream, apparatus and systems.
Background technology
Meeting class service product refers to realize the product of multi-party call, is that the rigidity of enterprise customer's converged communication business needs
It asks.The function of meeting class service product includes the functions such as audio conferencing, video conference and data conferencing, user can be used mobile phone,
The accessing conferences such as fixed-line telephone, the client of PC or mobile phone, webpage client.Video conference according to resolution ratio not
Together, it is divided into SD video conference and HD video meeting.
Three screen HD video conference systems are more commonly used HD video conference systems at present, HD video conference system
Composition as shown in Figure 1, including to media stream code/decode codec, realize can field pickup microphone, realize meeting-place put
The sound system of sound, the camera for realizing meeting-place video acquisition realize display screen and tables and chairs that meeting-place video is presented, codec
Microphone and camera are connected, realizes the acquisition of the Media Streams such as meeting-place Voice and Video, and the Media Stream of acquisition is encoded
After send and the media stream to receiving after meeting-place audio, video be presented by sound system and display screen.Majority three
Three codecs can be included by shielding HD video conference system, and intermediate codec supports double-current conferencing function.Three screen high definitions
In Meeting Held, codec can encode out three Media Streams and correspond to three screens, and reception pair respectively video conferencing system
Answer the Media Stream of three screens.
At present, three screen HD video conference systems mainly include based on SIP (Session Initiation Protocol,
Session initiation Protocol)/TIP（Telepresence Interoperability Protocol, net true Interoperability Protocol）Agreement
The conference system of one session scheme of support of realization and based on SIP/RTP（Real-time Transport Protocol, it is real
When transport protocol）The conference system of the multiple session schemes of support of protocol realization.
In the conference system of one session scheme of support based on SIP/TIP protocol realizations media are carried out between conference terminal
The realization method of steaming transfer is as shown in Fig. 2, in the conference terminal of one session scheme of support, and there are one be in three codecs
Chief editor's decoding, corresponding to the intermediate screen of three screens, two are secondary codec, correspond respectively to the left and right two of three screens
Side screen.By master codec representative conference terminal initiate registration, nullify, maintain Register Cancel state, initiating conference request and
Receive request for conference, during session establishment, the port of Media Stream is sent and received by Session Initiation Protocol negotiation both sides.Net
Network side convention business platform by the three road audio-video frequency media streams in meeting-place with TIP protocol codes after, be encoded to TIP bit streams all the way
To master codec, and video flowing is divided into left, center, right by the label information after being decoded by master codec in audio/video flow
Three tunnels are transferred to secondary encoding and decoding respectively, and are finally presented on three display screens.
The transmission realization method of Media Stream in the conference system of the multiple session schemes of support based on SIP/RTP protocol realizations
As shown in figure 3, in supporting the HD video conference systems of multiple session schemes, the status phase of three codecs of conference terminal
Together, but double-current meeting is generally realized by intermediate codec.Three encoding and decoding are sent out respectively using three numbers to network side
Registration is played, nullified, maintained Register Cancel state, initiating conference request and receive request for conference, during session establishment, is led to
It crosses Session Initiation Protocol and negotiates the port that both sides send and receive Media Stream.Network side convention business platform distinguishes three codecs
The audio-video frequency media stream of transmission is respectively sent to the codec of left, center, right three after being encoded with Real-time Transport Protocol.Three codecs
It decodes, and is finally presented on three display screens respectively.
At present, the conference terminal in conference system is generally the conference terminal for supporting same session scheme, i.e. source terminal
It is identical with the media protocol that target terminal is supported, in other words, only in source terminal and target terminal branch in existing conference system
When the media protocol held is identical, the transmission of Media Stream could be realized.
However in practical application, above two is likely to require intercommunication between the conference terminal based on different agreement,
Such as deploy support different sessions scheme conference system different enterprise between need carry out video conference, at this point, for realize
Intercommunication between HD video conference system of the above two based on different agreement needs to carry out signaling and media protocol again
Configuration, if client-side device does not support corresponding signaling and media protocol version, can not realize intercommunication, that is, support different agreement
Three screen HD video conference systems between can not carry out the transmission of Media Stream, can not realize intercommunication.
Invention content
The object of the present invention is to provide a kind of transmission method of Media Stream, apparatus and system, to realize support different agreement
Conference terminal between can carry out the transmission of Media Stream, the intercommunication both realized.
On the one hand, the embodiment of the present invention provides a kind of transmission method of Media Stream, including：
Request for conference and the Media Stream that source terminal is sent are received, the target for participating in meeting is carried in the request for conference
Number used in terminal；
According to the number, the media protocol that the target terminal using the number is supported is determined；
According to the media protocol that the target terminal is supported, the media flow transmission is given to the target terminal.
The transmission method of Media Stream provided in an embodiment of the present invention, in the request for conference and media for receiving source terminal transmission
After stream, according to the number that the target terminal of participation meeting carried in request for conference uses, the media that target terminal is supported are determined
Agreement, the media protocol then supported according to target terminal, i.e., can be according to by the present invention by media flow transmission to target terminal
The transmission of respective media stream is carried out according to the media protocol that target terminal is supported, even if the media association that source terminal and target terminal are supported
View is different, also can media flow transmission to target terminal be completed the transmission of Media Stream, realize the meeting for supporting different media protocols
Intercommunication between terminal.
Optionally, according to the number, before the media protocol supported using the target terminal of the number, this method is also
Including：
Code service configuration information list is prestored, each meeting is preserved in the code service configuration information list
Meeting support system BOSS is whole for the meeting of number and each number of use that it is distributed when convention business is opened in terminal application
The media protocol supported is held, wherein, the BOSS is that the conference terminal of a session scheme is supported to distribute a number, to support
Correspondence multiple numbers of the conference terminal distribution with binding relationship of multiple session schemes；
The media protocol according to the number, supported using the target terminal of the number, is specifically included：
According to the number, the code service configuration information list is inquired, determines the target terminal using the number
The media protocol of support.
BOSS can be the number of its distribution when convention business is opened in conference terminal application in the embodiment of the present invention, and BOSS is branch
The conference terminal for holding a session scheme distributes a number, and the conference terminal distribution to support multiple session schemes has binding
The multiple numbers of correspondence of relationship；In the embodiment of the present invention, a code service can be stored on high definition conference business platform in advance and matched
Information list is put, BOSS when convention business is opened in each conference terminal application is preserved in the code service configuration information list is
Its number distributed and the media protocol that the conference terminal of each number is used to support, when high definition conference business platform receives
During the number that the target terminal carried into request for conference uses, then pre-stored number can be inquired according to the number received
Code service configuration information table determines the media protocol that the target terminal using the number is supported.
Optionally, the media protocol supported in the embodiment of the present invention according to the target terminal, by the media flow transmission
To the target terminal, specifically include：
When the media protocol that the target terminal is supported is identical with the media protocol that source terminal is supported, then by the media
Stream is transferred directly to the target terminal；
When the media protocol difference that the media protocol that the target terminal is supported is supported with source terminal, then using source terminal
The media protocol of support is decoded the Media Stream, and the media protocol supported using target terminal is to decoded media
Stream is encoded, and gives the media flow transmission after coding to the target terminal.
By the transmission mode of the above-mentioned Media Stream of the present invention, the conference terminal for supporting different agreement can be easier realized
Between intercommunication.
Optionally, the media flow transmission is specifically included to the target terminal：
When target terminal is the conference terminal of one session scheme of support, session request is sent, and adopt to the number
Session connection is established with true Interoperability Protocol TIP agreements are netted, gives the media flow transmission to the target terminal；
When target terminal is to support the conference terminal of multiple session schemes, to the number and with the number binding
Remaining number, session request is sent respectively, and session connection is established using realtime transmission protocol RTP agreement, by the media
It is streaming to the target terminal.
In the above embodiment of the present invention, convention business platform is according to the session scheme difference that target terminal is supported using different
Session setup mode, with adapt to target terminal support session scheme so that even if target terminal support session scheme with
The session scheme that source terminal is supported is different, is reconfigured without the agreement for carrying out target terminal, you can realizes and supports different sessions
Media flow transmission between the conference terminal of scheme realizes intercommunication truly.
On the other hand, the embodiment of the present invention provides a kind of transmitting device of Media Stream, including：
Receiving unit for receiving the request for conference and Media Stream of source terminal transmission, carries in the request for conference
Participate in number used in the target terminal of meeting；
Determination unit, for according to the number, determining the media protocol that the target terminal using the number is supported；
Transmission unit for the media protocol supported according to the target terminal, gives the media flow transmission to the mesh
Mark terminal.
The transmitting device of Media Stream provided in an embodiment of the present invention, the meeting that source terminal transmission is received in receiving unit please
Ask and Media Stream after, number that determination unit is used according to the target terminal of participation meeting carried in request for conference determines mesh
Mark the media protocol that terminal is supported, the media protocol that then transmission unit is supported according to target terminal, by media flow transmission to mesh
Terminal is marked, i.e., the media protocol that can be supported by the present invention according to target terminal carries out the transmission of respective media stream, even if source
The media protocol that terminal and target terminal are supported is different, also can media flow transmission to target terminal be completed the transmission of Media Stream,
Realize the intercommunication between the conference terminal for supporting different media protocols.
Optionally, which further includes storage unit, wherein,
The storage unit, for according to the number, the media protocol supported using the target terminal of the number it
Before, code service configuration information list is prestored, each conference terminal is preserved in the code service configuration information list
The conference terminal branch of the application number that meeting support system BOSS distribute for it when opening convention business and each number of use
The media protocol held, wherein, the BOSS is that the conference terminal of a session scheme is supported to distribute a number, multiple to support
Correspondence multiple numbers of the conference terminal distribution with binding relationship of session scheme；
The determination unit, is specifically used for：
According to the number, the code service configuration information list is inquired, determines the target terminal using the number
The media protocol of support.
BOSS can be the number of its distribution when convention business is opened in conference terminal application in the embodiment of the present invention, and BOSS is branch
The conference terminal for holding a session scheme distributes a number, and the conference terminal distribution to support multiple session schemes has binding
The multiple numbers of correspondence of relationship；In the embodiment of the present invention, a code service can be stored on high definition conference business platform in advance and matched
Information list is put, BOSS when convention business is opened in each conference terminal application is preserved in the code service configuration information list is
Its number distributed and the media protocol that the conference terminal of each number is used to support, when high definition conference business platform receives
During the number that the target terminal carried into request for conference uses, then pre-stored number can be inquired according to the number received
Code service configuration information table determines the media protocol that the target terminal using the number is supported.
Further, the transmission unit, is specifically used for：
When the media protocol that the target terminal is supported is identical with the media protocol that source terminal is supported, then by the media
Stream is transferred directly to the target terminal；
When the media protocol difference that the media protocol that the target terminal is supported is supported with source terminal, then using source terminal
The media protocol of support is decoded the Media Stream, and the media protocol supported using target terminal is to decoded media
Stream is encoded, and gives the media flow transmission after coding to the target terminal.
By the transmission mode of the above-mentioned Media Stream of the present invention, the conference terminal for supporting different agreement can be easier realized
Between intercommunication.
Optionally, the transmission unit, is specifically used for：
When target terminal is the conference terminal of one session scheme of support, session request is sent, and adopt to the number
Session connection is established with true Interoperability Protocol TIP agreements are netted, gives the media flow transmission to the target terminal；
When target terminal is to support the conference terminal of multiple session schemes, to the number and with the number binding
Remaining number, session request is sent respectively, and session connection is established using realtime transmission protocol RTP agreement, by the media
It is streaming to the target terminal.
In the above embodiment of the present invention, convention business platform is according to the session scheme difference that target terminal is supported using different
Session setup mode, with adapt to target terminal support session scheme so that even if target terminal support session scheme with
The session scheme that source terminal is supported is different, is reconfigured without the agreement for carrying out target terminal, you can realizes and supports different sessions
Media flow transmission between the conference terminal of scheme realizes intercommunication truly.
In another aspect, the embodiment of the present invention provides a kind of Transmission system of Media Stream, including：One session scheme of support
Conference terminal and/or the conference terminal and convention business platform for supporting multiple session schemes, wherein,
The convention business platform, for receiving the conference terminal or the multiple session schemes of support of supporting a session scheme
The request for conference that sends of conference terminal and Media Stream, carry in the request for conference and participate in the target terminal of meeting and made
Number, and according to the number, the media protocol that the target terminal using the number is supported is determined, according to the target
The media protocol that terminal is supported, by the media flow transmission to the target terminal, the target terminal is supports a session
The conference terminal of scheme or the conference terminal for supporting multiple session schemes.
The number that convention business platform is used according to the conference terminal of invitation addition meeting in the above embodiment of the present invention, really
Determine the media protocol of conference terminal support and the session scheme of support, the media protocol supported according to determining conference terminal with
And session scheme, the transmission of Media Stream is carried out using corresponding mode, realize only need to determine to invite in network side convention business platform
The media protocol that the conference terminal of meeting is supported please be add in, conference terminal can be realized in the configuration information without changing conference terminal
Between intercommunication.
Description of the drawings
Fig. 1 is the composition schematic diagram of three screen HD video conference systems in the prior art；
Fig. 2 is the media flow transmission schematic diagram for the conference system for supporting a session scheme in the prior art；
Fig. 3 is the media flow transmission schematic diagram for the conference system for supporting multiple session schemes in the prior art；
Fig. 4 is group-network construction figure provided in an embodiment of the present invention；
Fig. 5 is media stream transmission method flow chart provided in an embodiment of the present invention；
Fig. 6 is service fulfillment flow diagram provided in an embodiment of the present invention；
Fig. 7 is that the conference terminal provided in an embodiment of the present invention for supporting a session scheme initiates the stream of registration to network side
Journey schematic diagram；
Fig. 8 is that the conference terminal provided in an embodiment of the present invention for supporting multiple session schemes initiates the stream of registration to network side
Journey schematic diagram；
Fig. 9 is the three screen HD video conference terminals addition provided in an embodiment of the present invention invited and support a session scheme
The flow diagram of meeting；
Figure 10 is that the three screen HD video conference terminals provided in an embodiment of the present invention for inviting the multiple session schemes of support add
Enter the flow diagram of meeting；
Figure 11 A- Figure 11 B are the transmitting device schematic diagram of Media Stream provided in an embodiment of the present invention；
Figure 12 is media stream transportation system schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, is not whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
IMS（IP Multimedia Subsystem, IP multimedia subsystem）It is the end-to-end multimedia industry that 3GPP is provided
The IP systems of business.The embodiment of the present invention is based on IMS network, is realized on the convention business platform of network side based on different agreement branch
The transmission of Media Stream can be carried out between three screen HD video conference systems of different sessions scheme by holding, the intercommunication both realized.
Fig. 4 is shown provided in an embodiment of the present invention realized using convention business platform and supports different meetings based on different agreement
The group-network construction figure of the transmission of Media Stream can be carried out between three screen HD video conference systems of words scheme.
In Fig. 4, what the codec of the conference terminal of the multiple session schemes of support based on SIP/RTP protocol realizations included
Three encoders are respectively encoder 1, encoder 2 and encoder 3, and encoder 1, encoder 2 and encoder 3 are respectively connected to A-
SBC（Session Border Controller, Session Border Controller）, and have corresponding number respectively to IMS network side
CSCF（Call Session Control Function, conversation control function entity）Registration message is sent, IMS network side
CSCF may include P-CSCF according to function（Proxy CSCF, proxy CSCF）、I-CSCF（Interrogating CSCF, inquiry
CSCF）、S-CSCF（Serving CSCF, serving CSCF）And E-CSCF（Emergency CSCF, urgent CSCF）, and it is final real
Now Register Cancel state, request for conference and Media Stream etc. are initiated to convention business platform.Branch based on SIP/TIP protocol realizations
It is respectively a main encoder and two pairs to hold three encoders that the codec of the conference terminal of a session scheme includes
Encoder, wherein, main encoder is assigned number, and is connected to A-SBC, and Register Cancel shape is initiated to convention business platform
State, request for conference and Media Stream etc..
Further, convention business platform receives and preserves BOSS in Fig. 4（Meeting support system）For each meeting end
Hold the number of distribution and the corresponding business configuration data of the number.
The embodiment of the present invention provides a kind of transmission method of Media Stream, realization process as shown in figure 5, including：
S101：Receive request for conference and the Media Stream that source terminal is sent.
In the embodiment of the present invention, the source terminal for sending request for conference can be the support one based on SIP/TIP protocol realizations
The conference terminal of the conference terminal of a session scheme or the multiple session schemes of the support based on SIP/RTP protocol realizations,
And number used in the target terminal for participating in meeting is carried in the request for conference.
S102：According to the number carried in request for conference, the media protocol that the target terminal using the number is supported is determined.
In the embodiment of the present invention, conference terminal is when convention business is opened in application, BOSS（Meeting support system）Can be it
Number is distributed, request for conference is asked or received for initiating conference.By the number carried in request for conference, then can determine
The session scheme and the media protocol of support supported using the conference terminal of the number.
S103：According to the media protocol that the target terminal determined in S102 is supported, by media flow transmission to target terminal.
After the media protocol that target terminal support is determined in the embodiment of the present invention in S102, supported using target terminal
Media protocol, by media flow transmission to target terminal.
Specifically, when the media protocol phase that the media protocol that target terminal is supported is supported with source terminal in the embodiment of the present invention
Meanwhile Media Stream is then transferred directly to the target terminal.It is supported when the media protocol that target terminal is supported with source terminal
During media protocol difference, then the media protocol supported using source terminal is decoded Media Stream, and is supported using target terminal
Media protocol decoded Media Stream is encoded, by the media flow transmission after coding give the target terminal.
The transmission method of Media Stream provided in an embodiment of the present invention, in the request for conference and media for receiving source terminal transmission
After stream, according to the number that the target terminal of participation meeting carried in request for conference uses, the media that target terminal is supported are determined
Agreement, the media protocol then supported according to target terminal, i.e., can be according to by the present invention by media flow transmission to target terminal
The transmission of respective media stream is carried out according to the media protocol that target terminal is supported, even if the media association that source terminal and target terminal are supported
View is different, also can media flow transmission to target terminal be completed the transmission of Media Stream, realize the meeting for supporting different media protocols
Intercommunication between terminal.
Optionally, in the embodiment of the present invention, BOSS can be the number of its distribution when convention business is opened in conference terminal application,
BOSS is that the conference terminal of a session scheme is supported to distribute a number, to support the conference terminal distribution of multiple session schemes
The multiple numbers of correspondence with binding relationship；In the embodiment of the present invention, No.1 can be stored on high definition conference business platform in advance
Code service configuration information list, preserves each conference terminal application in the code service configuration information list and opens convention business
When the numbers that distribute for it of the BOSS and media protocol supported of conference terminal using each number, when high definition conference business
When platform receives the number that the target terminal carried in request for conference uses, then it can be inquired advance according to the number received
The code service configuration information table of storage determines the media protocol that the target terminal using the number is supported.
In the above embodiment of the present invention, pass through the meeting end for storing that BOSS is support different agreement on convention business platform
The jack per station of distribution is held, the media protocol of target terminal support can be inquired on convention business platform, and then using corresponding
Media protocol carry out the transmission of Media Stream so that operator is when providing video conference business, when docking application is based on different
When the conference terminal for the different sessions scheme that agreement is supported carries out enterprise's meeting, network layer will be moved on in complexity, to user's screen
Complexity is covered, does not need to reconfigure existing equipment in user side, is conducive to operator to user's promotion business, expands
Big application range.
Further, in the embodiment of the present invention by media flow transmission to target terminal during, high definition business platform
The session scheme that can be supported according to target terminal is different, and the transmission of Media Stream is carried out using different conversational modes.
Specifically, when target terminal is to support the conference terminal of session scheme, number that is carried into request for conference
Code sends session request, and establishes session connection using TIP agreements, by media flow transmission to target terminal.
When target terminal is to support the conference terminal of multiple session schemes, the number that is carried into request for conference and with
Other two number of the number binding sends session request, and establishes session connection using Real-time Transport Protocol respectively, by Media Stream
It is transferred to target terminal.
In the above embodiment of the present invention, convention business platform is according to the session scheme difference that target terminal is supported using different
Session setup mode, with adapt to target terminal support session scheme so that even if target terminal support session scheme with
The session scheme that source terminal is supported is different, is reconfigured without the agreement for carrying out target terminal, you can realizes and supports different sessions
Media flow transmission between the conference terminal of scheme realizes intercommunication truly.
The present invention is realized below with reference to practical application, the corresponding above-mentioned media stream transmission method being related to based on difference
Realize that the process of intercommunication is described in detail between the conference terminal of the support different sessions scheme of agreement.
It is illustrated for realizing intercommunication scene between three screen HD video conference systems in the embodiment of the present invention, when new
When increasing three screen HD video conference terminal users, user may be selected newly to dispose a three screen HD video conference systems, Huo Zheli
With existing three screens HD video conference system, which can be based on SIP/TIP protocol realizations
One session scheme of support conference system or multiple session schemes of support based on SIP/RTP protocol realizations
Conference system.If desired user carries out three screen HD video meetings, then firstly the need of progress service fulfillment, specific service fulfillment
Flow as shown in fig. 6, including：
S201：User opens three screen HD video convention businesses to BOSS applications.
Specifically, in the embodiment of the present invention user to BOSS application open three screen HD video convention businesses when, need to carry
Conference terminal type for users to use, it is one session scheme of support based on SIP/TIP protocol realizations to show the terminal
The conference terminal of the multiple session schemes of support of the conference terminal still based on SIP/RTP protocol realizations.
S202：The terminal type that BOSS systems are submitted according to user distributes the number that the terminal uses to user.
In the embodiment of the present invention, the terminal type that user submits is different, and BOSS systems will distribute different numbers for it,
BOSS systems are that the conference terminal of a session scheme is supported to distribute a number, and the embodiment of the present invention can be recorded as A；For
The conference terminal of multiple session schemes is supported to distribute multiple session numbers with binding relationship, the embodiment of the present invention is to support three
The conference terminal of a session scheme illustrates for distributing three numbers, and the embodiment of the present invention can remember three numbers of distribution
It records as in a B left sides, the B and B right sides.
S203：BOSS systems are to HSS（Home Subscriber Server, position attribution server）Send the industry of number
Data are opened in business, including configuration authorization data and business trigger data.
S204：BOSS systems send the service fulfillment data of number to convention business platform.
In the embodiment of the present invention, convention business platform receive BOSS systems transmission code service open data after, with
The form of service configuration information list stores number that BOSS systems are distributed for it when convention business is opened in each conference terminal application
Code and the media protocol that the conference terminal of each number is used to support.
For the number A that the conference terminal of one session scheme of support based on SIP/TIP protocol realizations distributes, business is matched
It puts record in information list and uses the conference terminal that the conference terminal of number A is one session scheme of support.For being based on SIP/
The number B of the conference terminal distribution of three session schemes of support that Real-time Transport Protocol is realized is left, in B, B it is right, service configuration information list
Middle record is used in a number B left sides, B, the left, center, right number that the terminal on the B right sides is the conference terminal for supporting three session schemes, and
It is the number that middle screen uses in record number B, a number B left sides are the number that uses of left screen, the number B right sides are that right screen number makes
Number.
The embodiment of the present invention is realized by flow shown in fig. 6 prestores what is distributed for different conference terminal types
The code service configuration data of jack per station, after finishing service is opened, before convention business is carried out, conference terminal also needs to
It is registered on convention business platform, it below will be to one meeting of support based on SIP/TIP protocol realizations in the embodiment of the present invention
The register flow path of the conference terminal of words scheme and the conference terminal of multiple session schemes of support based on SIP/RTP protocol realizations point
It does not mentionlet alone bright.
Fig. 7 show the meeting of support one session scheme provided in an embodiment of the present invention based on SIP/TIP protocol realizations
When discussing terminal using number A, the flow diagram of registration is initiated to network side, including：
S301：Registration is initiated using the A-SBC that the conference terminal of number A is connected to it, is sent and registered using Session Initiation Protocol
From header fields are number A in message, wherein registration message.
S302：A-SBC forwards registration message to P-CSCF.
S303：The I-CSCF that P-CSCF forwarding registration messages are connected to it.
S304：I-CSCF initiates to inquire to HSS, inquires whether the terminal is this domain user.
S305：HSS returns to inquiry response, when for this domain user, returns to the address for the S-CSCF that the user should register.
S306：I-CSCF is according to the address of the HSS S-CSCF returned, and forwarding registration message is to S-CSCF.
S307：S-CSCF initiates to inquire to HSS, inquires the authorization data of the user.
S308：HSS returns to authorization data.
S309：S-CSCF initiates 401 challenges to terminal and re-authenticates.
S3010-S3012：401 message are sent to end side.
S3013-S3024：Terminal re-registers, and succeeds in registration.
S3025：S-CSCF sends third party registration messages to convention business platform, informs that convention business platform is currently registered
Termination number.Convention business platform is according to the number judgement registered using the terminal of the number as one session scheme of support
Conference terminal, and determine that its media protocol supported is SIP/TIP agreements.
S3026：Convention business platform returns to response of succeeding in registration to S-CSCF.
Fig. 8 show the meeting of support three session schemes provided in an embodiment of the present invention based on SIP/RTP protocol realizations
Terminal is discussed, the flow diagram of registration is initiated to network side, for supporting the conference terminal register flow path of multiple session schemes, with
The flow for supporting conference terminal to the network side initiation registration of three session schemes is similar, and details are not described herein.
The conference terminal of support three session schemes provided in an embodiment of the present invention based on SIP/RTP protocol realizations, to
Network side initiates the flow of registration, including：
S401-S4024 is that the number B that the middle screen for the conference terminal for supporting three session schemes uses initiates to note to network side
The flowchart process of volume, wherein, the flow that registration is initiated with the number that the conference terminal for supporting a session scheme uses is identical,
Details are not described herein.
When number B succeeds in registration, S4025 is performed.
S4025：S-CSCF initiates third party registration messages to convention business platform, informs that convention business platform is currently registered
Termination number.Convention business platform is according to the number judgement registered using the terminal of the number as three session schemes of support
Conference terminal, and the number is shields the number used in active conference terminal, and determined according to business configuration data to use this number
The left screen number of the conference terminal of code is that the left and right screen numbers of B are the B right sides.
S4026：Convention business platform returns to response of succeeding in registration to S-CSCF.
S4027-S4029：Left screen number B left-hands network side initiates register flow path, and succeeds in registration.
Specific registration process is related in middle screen number B that register flow path is similar to above-mentioned, and details are not described herein.
S4030-S4032：Right screen number B dextrad network side initiates register flow path, and succeeds in registration.
Specific registration process is related in middle screen number B that register flow path is similar to above-mentioned, and details are not described herein.
After the completion of endpoint registration, when being initiated there are one meeting, the three screen HD videos for supporting a session scheme are invited
Conference terminal add in meeting flow as shown in figure 9, including：
S501：Conference initiator passes through the application meeting of conference management interface.
S502：Meeting application is sent to convention business platform, and the conference terminal that wherein meeting participant uses is the number of use
The three screen HD video conference terminals of code A.
S503：Convention business platform determines that the conference terminal using number A is based on SIP/TIP agreements reality according to number A
The three screen HD video conference terminals of existing one session scheme of support, and initiate a session request to number A.
S504-S508：Session request is sent to the three screen HD video conference terminals using number A, and uses TIP agreements
Session connection is established, negotiates the window of media flow transmission, media flow transmission is given whole using the three screen HD video meetings of number A
End.
After the completion of endpoint registration, when being initiated there are one meeting, the three screen HD videos for supporting multiple session schemes are invited
The flow that conference terminal adds in meeting is as shown in Figure 10, including：
S601：Conference initiator passes through the application meeting of conference management interface.
S602：Meeting application is sent to convention business platform.
Using the conference terminal that meeting participant uses as three session schemes of support in the embodiment of the present invention, and use number
It is illustrated for three screen HD video conference terminals in B.
S603：Convention business platform is to be assisted based on SIP/RTP according to being determined in number B using the conference terminal in number B
The three screen HD video conference terminals of the three session schemes of support realized are discussed, and two outer two numbers bound with it are distributed as
Left screen number is that the left and right screen numbers of B are the B right sides.Convention business platform simultaneously to B is left, in B, the B right sides initiate a session request.
S604-S608：Session request be sent to using number B is left, in B and the three screen HD video conference terminals on the B right sides, and
Session connection is established using Real-time Transport Protocol, negotiates the window of media flow transmission, by media flow transmission give using number B is left, in B and B
Three right screen HD video conference terminals.
By distributing the number of different numbers for the conference terminal of the different media protocols of support in the above embodiment of the present invention,
And code service configuration information list is stored in convention business platform, when there is request for conference, meeting can be added according to inviting
The number that conference terminal uses determines the media protocol of conference terminal support and the session scheme of support, according to determining meeting
Media protocol and the session scheme that terminal is supported are discussed, the transmission of Media Stream is carried out using corresponding mode, realizing only need to be in net
Convention business platform in network side determines the media protocol that the conference terminal for adding in meeting is invited to support, without changing matching for conference terminal
The intercommunication between conference terminal can be realized in confidence breath.
Transmission method based on the Media Stream that above-described embodiment provides, the embodiment of the present invention additionally provide a kind of Media Stream
Transmitting device, the composition of the device as shown in Figure 11 A, including：
For receiving the request for conference and Media Stream of source terminal transmission, participation is carried in request for conference for receiving unit 1
Number used in the target terminal of meeting.
Determination unit 2 for the number carried according to request for conference, determines the matchmaker that the target terminal using the number is supported
Body agreement.
Transmission unit 3, for the media protocol supported according to target terminal, by media flow transmission to target terminal.
Optionally, which further includes storage unit 4, as shown in Figure 11 B, wherein,
Storage unit 4, for the number carried according to request for conference, the media supported using the target terminal of the number are assisted
Before view, code service configuration information list is prestored, each conference terminal is preserved in code service configuration information list
BOSS is assisted for its media of the conference terminal support of number and each number of use distributed when convention business is opened in application
View, wherein, BOSS is that the conference terminal of a session scheme is supported to distribute a number, to support the meeting of multiple session schemes
Terminal distribution has the multiple numbers of correspondence of binding relationship.
Specifically, determination unit 2, is specifically used for：
According to the number carried in request for conference, enquiry number service configuration information list determines the mesh using the number
Mark the media protocol that terminal is supported.
Optionally, transmission unit 3 are specifically used for：
When the media protocol that target terminal is supported is identical with the media protocol that source terminal is supported, then Media Stream is directly passed
It is defeated by target terminal；
When the media protocol difference that the media protocol that target terminal is supported is supported with source terminal, then supported using source terminal
Media protocol Media Stream is decoded, and using target terminal support media protocol decoded Media Stream is compiled
Code, by the media flow transmission after coding to target terminal.
Specifically, transmission unit 3, is specifically used for：
When target terminal is the conference terminal of one session scheme of support, session request is sent, and using TIP to number
Agreement establishes session connection, by media flow transmission to target terminal.
When target terminal is to support the conference terminal of multiple session schemes, to the number and another with the number binding
Outer two numbers send session request, and establish session connection using Real-time Transport Protocol respectively, give media flow transmission to the target
Terminal.
The transmitting device of Media Stream provided in an embodiment of the present invention, the meeting that source terminal transmission is received in receiving unit please
Ask and Media Stream after, number that determination unit is used according to the target terminal of participation meeting carried in request for conference determines mesh
Mark the media protocol that terminal is supported, the media protocol that then transmission unit is supported according to target terminal, by media flow transmission to mesh
Terminal is marked, i.e., the media protocol that can be supported by the present invention according to target terminal carries out the transmission of respective media stream, even if source
The media protocol that terminal and target terminal are supported is different, also can media flow transmission to target terminal be completed the transmission of Media Stream,
Realize the intercommunication between the conference terminal for supporting different media protocols.
The present invention also provides a kind of Transmission systems of Media Stream, and as shown in figure 12, which includes：Support a meeting
The conference terminal of words scheme and/or the conference terminal and convention business platform for supporting multiple session schemes, wherein,
Convention business platform, for receiving the conference terminal of one session scheme of support or supporting the meeting of multiple session schemes
Request for conference and the Media Stream that terminal is sent are discussed, used number of target terminal for participating in meeting is carried in request for conference
Code, and according to the number carried in request for conference, the media protocol that the target terminal using the number is supported is determined, according to target
The media protocol that terminal is supported, by media flow transmission to target terminal, which is the meeting for supporting a session scheme
Terminal or the conference terminal for supporting multiple session schemes.
The number that convention business platform is used according to the conference terminal of invitation addition meeting in the above embodiment of the present invention, really
Determine the media protocol of conference terminal support and the session scheme of support, the media protocol supported according to determining conference terminal with
And session scheme, the transmission of Media Stream is carried out using corresponding mode, realize only need to determine to invite in network side convention business platform
The media protocol that the conference terminal of meeting is supported please be add in, conference terminal can be realized in the configuration information without changing conference terminal
Between intercommunication.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of transmission method of Media Stream, which is characterized in that including：
Request for conference and the Media Stream that source terminal is sent are received, the target terminal for participating in meeting is carried in the request for conference
Used number；
According to the number, the media protocol that the target terminal using the number is supported is determined；
According to the media protocol that the target terminal is supported, the media flow transmission is given to the target terminal；
By the media flow transmission to the target terminal, specifically include：
When target terminal is the conference terminal of one session scheme of support, session request is sent, and using net to the number
True Interoperability Protocol TIP agreements establish session connection, give the media flow transmission to the target terminal；
When target terminal is to support the conference terminal of multiple session schemes, to the number and its with the number binding
Remaining number sends session request, and establishes session connection using realtime transmission protocol RTP agreement respectively, and the media are spread
It is defeated by the target terminal.
2. the method as described in claim 1, which is characterized in that according to the number, use the target terminal branch of the number
Before the media protocol held, this method further includes：
Code service configuration information list is prestored, each conference terminal is preserved in the code service configuration information list
The conference terminal branch of the application number that meeting support system BOSS distribute for it when opening convention business and each number of use
The media protocol held, wherein, the BOSS is that the conference terminal of a session scheme is supported to distribute a number, multiple to support
Correspondence multiple numbers of the conference terminal distribution with binding relationship of session scheme；
The media protocol according to the number, supported using the target terminal of the number, is specifically included：
According to the number, the code service configuration information list is inquired, determines to support using the target terminal of the number
Media protocol.
3. method as claimed in claim 1 or 2, which is characterized in that according to the media protocol that the target terminal is supported, by institute
Media flow transmission is stated to the target terminal, is specifically included：
It is when the media protocol that the target terminal is supported is identical with the media protocol that source terminal is supported, then the Media Stream is straight
It connects and is transferred to the target terminal；
When the media protocol difference that the media protocol that the target terminal is supported is supported with source terminal, then supported using source terminal
Media protocol the Media Stream is decoded, and using target terminal support media protocol decoded media are flowed into
Row coding gives the media flow transmission after coding to the target terminal.
4. a kind of transmitting device of Media Stream, which is characterized in that including：
For receiving the request for conference and Media Stream of source terminal transmission, participation is carried in the request for conference for receiving unit
Number used in the target terminal of meeting；
Determination unit, for according to the number, determining the media protocol that the target terminal using the number is supported；
Transmission unit, it is for the media protocol supported according to the target terminal, the media flow transmission is whole to the target
End when the transmission unit gives the media flow transmission to the target terminal, is specifically used for：When target terminal is supports one
During the conference terminal of session scheme, session request is sent, and meeting is established using true Interoperability Protocol TIP agreements are netted to the number
Words connection, by the media flow transmission to the target terminal, when target terminal is the conference terminal of supporting multiple session schemes
When, remaining number to the number and with the number binding sends session request, and using real-time transport protocol respectively
Real-time Transport Protocol establishes session connection, gives the media flow transmission to the target terminal.
5. device as claimed in claim 4, which is characterized in that the device further includes storage unit, wherein,
The storage unit, for according to the number, before the media protocol supported using the target terminal of the number, in advance
Code service configuration information list is first stored, each conference terminal application is preserved in the code service configuration information list and is opened
The matchmaker of the conference terminal support of number and each number of use that meeting support system BOSS is distributed for it during logical convention business
Body agreement, wherein, the BOSS is that the conference terminal of a session scheme is supported to distribute a number, to support multiple session sides
Correspondence multiple numbers of the conference terminal distribution with binding relationship of case；
The determination unit, is specifically used for：
According to the number, the code service configuration information list is inquired, determines to support using the target terminal of the number
Media protocol.
6. device as described in claim 4 or 5, which is characterized in that the transmission unit is specifically used for：
It is when the media protocol that the target terminal is supported is identical with the media protocol that source terminal is supported, then the Media Stream is straight
It connects and is transferred to the target terminal；
When the media protocol difference that the media protocol that the target terminal is supported is supported with source terminal, then supported using source terminal
Media protocol the Media Stream is decoded, and using target terminal support media protocol decoded media are flowed into
Row coding gives the media flow transmission after coding to the target terminal.
7. a kind of Transmission system of Media Stream, which is characterized in that including：Support the conference terminal and/or branch of a session scheme
The conference terminal of multiple session schemes and convention business platform are held, wherein,
The convention business platform, for receiving the conference terminal of one session scheme of support or supporting the meeting of multiple session schemes
Request for conference and the Media Stream that terminal is sent are discussed, is carried used in the target terminal for participating in meeting in the request for conference
Number, and according to the number, the media protocol that the target terminal using the number is supported is determined, according to the target terminal
The media protocol of support, by the media flow transmission to the target terminal, wherein, give the media flow transmission to the target
Terminal specifically includes：When target terminal is the conference terminal of one session scheme of support, sending session to the number please
It asks, and session connection is established using true Interoperability Protocol TIP agreements are netted, gives the media flow transmission to the target terminal, when
Target terminal is remaining number to the number and with number binding when supporting the conference terminal of multiple session schemes
Code sends session request, and establishes session connection using realtime transmission protocol RTP agreement respectively, and the media flow transmission is given
The target terminal, the target terminal are the conference terminal of one session scheme of support or the meeting for supporting multiple session schemes
Terminal.
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| CN106534760B (en) * | 2015-09-15 | 2020-07-28 | 华为技术有限公司 | Media stream transmission method, equipment and system |
| CN107770141B (en) * | 2016-08-23 | 2022-04-19 | 中兴通讯股份有限公司 | Communication method and device of video conference system |
| CN108471363B (en) * | 2018-06-05 | 2021-05-28 | 深圳市捷视飞通科技股份有限公司 | Conference system registration method and device capable of supporting multiple communication protocols |
| CN111131741B (en) * | 2019-12-13 | 2021-08-13 | 中移（杭州）信息技术有限公司 | Multi-party video call method, electronic equipment, device and computer readable storage medium |
| CN113206843B (en) * | 2021-04-28 | 2022-05-27 | 招商局金融科技有限公司 | Network conference control method and device, electronic equipment and storage medium |
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