CN104683730A - Video conference data transmission method and video conference system - Google Patents
Video conference data transmission method and video conference system Download PDFInfo
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- CN104683730A CN104683730A CN201510096936.3A CN201510096936A CN104683730A CN 104683730 A CN104683730 A CN 104683730A CN 201510096936 A CN201510096936 A CN 201510096936A CN 104683730 A CN104683730 A CN 104683730A
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Abstract
The invention provides a video conference data transmission method and a video conference system. The video conference data transmission method comprises the following steps: S1, a terminal transmits first registration request information to a server; S2, the server returns first registration approval information to the terminal, wherein the first registration approval information comprises IP addresses of a plurality of network access paths of the server and a first optimal network line between the terminal and the server; S3, the terminal transmits a network monitoring packet to the server through IP addresses of the network access paths; S4, the terminal transmits second registration request information to the server; S5, the server optimizes the first optimal network line according to the second registration request information and the network monitoring packet to obtain a second optimal network line, and returns second registration approval information to the terminal; S6, the terminal receives the second registration approval information, interacts with the server by using the second optimal network line in a video conference, and transmits video conference data. According to the method and the system, the data transmission when the video conference is performed by a cross-network terminal which supports an H.323 communication protocol can be optimized.
Description
Technical field
The present invention relates to Computer Applied Technology field, especially in terminal and server place transmission of video conferencing data method and video conferencing system.
Background technology
In H.323 communication protocol standard, a special serial standard is had to define communication protocol across NAT (Network Address Translation, network address translation) use under environment: H.460.x series, it comprises: RAS is relevant H.460.17, call signaling is relevant H.460.18, media are relevant H.460.19, H.460.20 etc.
Wherein H.460.17 define the specification that H.225.0 use connects to transmit H.323RAS information, H.460.18 define H.323 signal in inter-network, across the specification transmitted under firewall environment, H.460.19 (Traversal of ITU-T is across network address translators and firewalls H.323media, 2013 03 month) define LC (the Logical Channel of audio frequency and video RTP code stream, logical channel) simple negotiation, make video conference terminal can cross over NAT environment under, GK (the Gatekeeper of public network (or similar each terminal can have access to network) is in by one, gatekeeper) carry out transfer agreement, media data, whole meeting path can be set up.
But, in the Internet network of reality, need the entity terminal carrying out conversing, under multiple different network environment may be in, if only with the standard of existing H.323 communication protocol, consensus standard in conjunction with H.460.x series realizes each terminal under this complex network environment to communicating, and in actual meeting, the network data transmission efficiency of each terminal room and the Theoretical Rate of its place network may there are differences, and cause communication effect desirable not to the utmost.
Network situation for China:
If a. one uses the entity terminal in telecommunications broadband the entity terminal in Netcom broadband will be used to carry out logical with one, its network transmission efficiency, compared to two, the same entity terminal room in telecommunications broadband (or two use Netcom broadband equally) that uses is to logical, can have a greatly reduced quality.
B. use intercity net and use the mode of internet to access two entity terminals, also can be different in the efficiency of transfer of data.
Once under whole conference system runs on above-mentioned environment, only according to existing ITU-T H.460 (ITU-T, International Telecommunication Union's telecommunication standardsization tissue) series protocol specification realize meeting to communicating, may occur that the effect of whole meeting is desirable not to the utmost, the even situation of inefficiency.
Summary of the invention
The defect that the present invention exists to overcome above-mentioned prior art, transfer of data when providing a kind of transmission of video conferencing data method and its terminal can optimizing different network environments of video conferencing system to carry out video conference.
The invention provides a kind of transmission of video conferencing data method, comprising: S1. terminal to server sends the first registration information, described first registration information comprises the IP address of described terminal, and described server has many network access line; S2. described server receives described first registration information, and the first optimal network circuit according to the IP address of described terminal and many network access line decision-makings of described server between terminal and described server, register approval in-formation to described terminal replies first, described first registration approval in-formation comprises: the IP address of many network access line of described server and described first optimal network circuit; S3. described terminal receives described first registration approval in-formation, and sends network monitor bag by each IP address of described many network access line to described server; S4. described terminal sends the second registration information to described server, and described second registration information is for the registration of terminal described in keep-alive on described server; S5. described server receives described network monitor bag and described second registration information, and obtain the second optimal network circuit according to described second registration information and the described first optimal network circuit of described network monitor bag optimization, register approval in-formation to described terminal replies second, described second registration approval in-formation comprises described second optimal network circuit; And terminal described in S6. receives described second registration approval in-formation, uses described second optimal network circuit and described server interaction and transmit described videoconference data when video conference.
Preferably, described step S6 comprises: described server is connected with described terminal by described second optimal network circuit, and by described terminal originated calls or receipt of call; And described server sends described videoconference data by described second optimal network circuit to described terminal or accepts the described videoconference data that sent by described terminal.
Preferably, described step S3 comprises: described terminal continues to send described network monitor bag by each IP address of described many network access line to described server and obtains with lasting the described second optimal network circuit optimized.
Preferably, described step S4 comprises: described terminal continues to send described second registration information to described server, wherein, state server according to each described second registration information and each described network monitor bag, described in real-time optimization, the first optimal network circuit obtains described second optimal network circuit.
Preferably, also comprise after described step S3: if described terminal is before the described second optimal network circuit of acquisition, enter video conference, then described terminal uses described first optimal network circuit and described server interaction and transmits described videoconference data when video conference.
Preferably, described terminal and described server support also follow ITU-T H.323 agreement, and possess the support of H.460 serial protocols.
According to a further aspect of the invention, a kind of video conferencing system is also provided, comprise: main calling terminal, called terminal and server, under described main calling terminal and described called terminal are in across a network environment, described video conferencing system adopts above-mentioned transmission of video conferencing data method.
Preferably, under described main calling terminal and described called terminal are in across a network environment, described main calling terminal is in first network, and described called terminal is in second network.
According to a further aspect of the invention, a kind of transmission of video conferencing data method in end is also provided, comprise: A. sends the first registration information to server, described first registration information comprises the IP address of described terminal, and described server has many network access line; B. receive the first registration approval in-formation that described server is replied, described first registration approval in-formation comprises: the IP address of many network access line of described server and the first optimal network circuit between described terminal and described server; C. send network monitor bag by each IP address of described many network access line to described server, described network monitor bag is for detecting the network condition of each IP address of described many network access line; D. send the second registration information to described server, described second registration information is for the registration of terminal described in keep-alive on described server; E. receive the second registration approval in-formation that described server is replied, described second registration approval in-formation comprises the second optimal network circuit, the first optimal network circuit described in described second optimal network line optimization; And F. transmits described videoconference data when video conference by described second optimal network circuit and described server interaction.
Preferably, described step F comprises: F1. is connected with described server by described second optimal network circuit, and makes a call or receipt of call; And F2. sends described videoconference data by described second optimal network circuit to described server or accepts the described videoconference data that sent by described server.
Preferably, described step C comprises: continue to send described network monitor bag by each IP address of described many network access line to described server and obtain with lasting the described second optimal network circuit optimized.
Preferably, described step D comprises: continue to send described second registration information to described server, wherein, to every bar second registration information, described terminal receives described second registration approval in-formation accordingly, and the described second optimal network circuit that described second registration approval in-formation comprises is the first optimal network circuit and obtaining according to each described second registration information and each described network monitor bag real-time optimization.
Preferably, also comprise after described step B: if described terminal is before the described second optimal network circuit of acquisition, enter video conference, then described terminal uses described first optimal network circuit and described server interaction and transmits described videoconference data when video conference.
According to a further aspect of the invention, a kind of transmission of video conferencing data method at server place is also provided, comprise: a. receives the first registration information sent by terminal, described first registration information comprises the IP address of described terminal, and described server has many network access line; B. the first optimal network circuit according to the IP address of described terminal and many network access line decision-makings of described server between terminal and described server, and register approval in-formation to described terminal replies first, described first registration approval in-formation comprises: the IP address of many network access line of described server and described first optimal network circuit; C. receive the network monitor bag sent from each IP address of described many network access line by described terminal, described network monitor bag is for detecting the network condition of each IP address of described many network access line; D. receive the second registration information sent by described terminal, described second registration information is for the registration of terminal described in keep-alive on described server; E. optimize described first optimal network circuit according to described second registration information and described network monitor bag and obtain the second optimal network circuit, register approval in-formation to described terminal replies second, described second registration approval in-formation comprises described second optimal network circuit; And f. uses described second optimal network circuit and described terminal interaction and transmits described videoconference data when video conference.
Preferably, described step f comprises: f1. is connected with described terminal by described second optimal network circuit, and by described terminal originated calls or receipt of call; And f2. sends described videoconference data by described second optimal network circuit to described terminal or accepts the described videoconference data that sent by described terminal.
Preferably, described step c comprises: receive the described network monitor bag sent from each IP address duration of described many network access line by described terminal.
Preferably, described steps d comprises: receive described second registration information being continued transmission by described terminal, wherein, described server is according to each described second registration information, and described in each described network monitor bag real-time optimization, the first optimal network circuit obtains described second optimal network circuit.
The present invention sends network monitor bag by each IP address of many network access line to server, the optimal network circuit of the terminal of each this server of access of dynamic monitoring, the terminal of different network environments is made to walk optimal network circuit when entering meeting, thus the data transmission efficiency of whole meeting can be promoted, promote quality and the experience of meeting.Also be, the agreement between gatekeeper and terminal and data are made to carry out using optimal network circuit when NAT passes through, path the fastest can be gone on to make the signaling of whole video conference and code stream, the negotiation of accelerating video and communication, the advantage of abundant excavation and route multi-line network, and the function of the responsible equilibrium of spacing Multi net voting circuit.
Accompanying drawing explanation
Describe its example embodiment in detail by referring to accompanying drawing, above-mentioned and further feature of the present invention and advantage will become more obvious.
Fig. 1 shows the schematic diagram of the video conferencing system according to the embodiment of the present invention.
Fig. 2 shows the flow chart of the transmission of video conferencing data method according to the embodiment of the present invention.
Fig. 3 shows the flow chart of terminal according to the embodiment of the present invention and server registration.
Fig. 4 shows the sequential chart of main calling terminal according to the embodiment of the present invention and server interaction.
Fig. 5 shows the sequential chart of called terminal according to the embodiment of the present invention and server interaction.
Fig. 6 shows the sequential chart opening logical channel according to the terminal request of the embodiment of the present invention.
Fig. 7 shows the sequential chart opening logical channel according to the server request of the embodiment of the present invention.
Embodiment
More fully example embodiment is described referring now to accompanying drawing.But example embodiment can be implemented in a variety of forms, and should not be understood to be limited to execution mode set forth herein; On the contrary, these execution modes are provided to make the present invention comprehensively with complete, and the design of example embodiment will be conveyed to those skilled in the art all sidedly.Reference numeral identical in the drawings represents same or similar structure, thus will omit the repeated description to them.
Fig. 1 shows the schematic diagram of the video conferencing system according to the embodiment of the present invention.The system of transmission of video conferencing data comprises main calling terminal 111, called terminal 112, route 121, route 122 and server 130 and forms.Under main calling terminal 111 and called terminal 112 can be in across a network environment, main calling terminal 111 is in first network, and called terminal 112 is in second network.Such as, main calling terminal 111 is in communication network, and called terminal 112 is in UNICOM's network.Again such as, make terminal 111 be in intercity network, called terminal 112 is in internet.Main calling terminal 111 and called terminal 112 can be MT (terminal) or MCU (multipoint control unit), and support such as H.323 communication protocol.Route 121,122 can be NAT (network address switching equipment) or FW (fire compartment wall).Server 130 can be GK (Gatekeeper, gatekeeper) or TS (Traversal Server, passes through server), and support such as H.323 in ITU-T H.460 communication protocol.Wherein, the functions such as TS comprises the function of GK, and it further comprises except the function of GK, such as Call Agent.Main calling terminal 111 is mutual by route 121 and server 130.Called terminal 112 is mutual by route 122 and server 130.Main calling terminal 111 carries out video conference with called terminal 112 by server 130, and transmission of video conferencing data.In some change case, server 130 and main calling terminal 111 are positioned at consolidated network, and called terminal 112 is positioned at another network, and server 130 and main calling terminal 111 are by route and called terminal 112 communication.In other change case, server 130 and called terminal 112 are positioned at consolidated network, and main calling terminal 111 is positioned at another network, and server 130 and called terminal 112 are by route and main calling terminal 111 communication.Specifically, main calling terminal 111, called terminal 112 and server 130 can all support such as H.323 communication protocol, and use when video conference the ITU-T such as H.323 in communication protocol H.460 system communication protocol carry out data interaction.
The interactive step of main calling terminal 111 and called terminal 112 and server 130 is with reference to figure 2.Main calling terminal 111 and called terminal 112 are connected with server 130 by many network access line alternately.By the method for transmission of video conferencing data provided by the invention, server 130 can in many network access line decision-making optimal network circuit, and then by optimal network circuit is connected with main calling terminal 111 and called terminal 112 with alternately.Specifically, transmission of video conferencing data method provided by the invention comprises the steps:
First be step S101, terminal to server sends the first registration information.First registration information comprises the IP address of this terminal.First registration information is used for server registration end message.
Step S102, server receives the first registration information, and according to the IP address of terminal and many network access line decision-making first optimal network circuits of server.In one embodiment, the network that server can judge residing for terminal according to IP address of terminal, and then mate with many network access line of server, go out the first optimal network circuit with decision-making.The decision mode of the first optimal network circuit is not limited thereto, and it can also have other implementation.Server registers approval in-formation to terminal replies first, and the first registration approval in-formation comprises IP address and the first optimal network circuit of many network access line of server, and the first registration approval in-formation and the first registration information adapt.
Step S103, terminal receives the first registration approval in-formation, and sends network monitor bag by each IP address of many network access line to server, and network monitor bag is used for the network condition of Sampling network line attachment.In a preference, terminal continues to send network monitor bag to server by each IP address of many network access line, and then carries out Real-Time Monitoring to the network condition of many network access line.
Step S104. terminal to server sends the second registration information.In a preference, terminal to server continues transmission second registration information with the registration of this terminal of keep-alive at this server place.
Step S105. server receives network monitor bag and the second registration information, and optimizes the first optimal network circuit according to the second registration information and network monitor bag and obtain the second optimal network circuit.Second optimal network circuit is identical with the first optimal network circuit in certain embodiments, and in further embodiments, different from the first optimal network circuit.Specifically, when the first optimal network circuit is still optimum, second is identical with the first optimal network circuit.Server registers approval in-formation to terminal replies second, and the second registration approval in-formation comprises the second optimal network circuit.Second registration approval in-formation and the second registration information adapt.When terminal continue to server send network monitor bag and the second registration information time, server according to each network monitor bag and the second registration information, Real-time Decision second optimal network circuit.Preferably, for each second registration information, the second optimal network circuit of Real-time Decision is put into the second registration approval in-formation by server, and then this second registration approval in-formation is back to end.
Step S106, terminal receives the second registration approval in-formation, uses the second optimal network circuit and server interaction and transmission of video conferencing data when video conference.Specifically, terminal after receiving the second registration approval in-formation, when its receive or make a call enter video conference time, its data interaction just uses the second optimal network circuit.In a change case, when registration step does not also proceed to decision-making second optimal network circuit, terminal enters video conference, and now, terminal, when video conference, can use the first optimal network circuit and server interaction and transmission of video conferencing data.And after registration step to step S106, terminal receives or makes a call when entering video conference, itself and server data use the second optimal network circuit alternately.
In one embodiment, terminal and the mutual of server also comprise in step s 106: call phase and data transfer phase.
At call phase, server is connected with terminal by the second optimal network circuit, and by terminal originated calls or receipt of call.Specifically, when terminal is as main calling terminal, first approval request information is sent by terminal to server.Server replys license approval in-formation, and license approval in-formation comprises the IP address of the second optimal network circuit.The license approval in-formation that terminal reception server is replied, and set up the connection with server by the IP address of the second optimal network circuit.When terminal is as called terminal, the Service controll indication information first sent by terminal reception server.Service controll indication information comprises the IP address of the second optimal network circuit.Terminal to server replys Service controll response message, and sets up the connection with server by the IP address of the second optimal network circuit.
At data transfer phase, the videoconference data that server is sent by terminal to terminal transmission videoconference data or acceptance by the second optimal network circuit.
Specifically, when logical channel is opened in terminal to server request, first send first by terminal to server and open logical channel solicited message.Then, server opens logical channel response message to terminal replies first, and first opens the IP address that logical channel response message comprises the second optimal network circuit.Terminal sends videoconference data by the IP address of the second optimal network circuit to server.When server opens logical channel to terminal request, terminal first reception server send second open logical channel solicited message, second opens the IP address that logical channel solicited message comprises the second optimal network circuit.Terminal to server is replied second and is opened logical channel response message.Afterwards, terminal receives the videoconference data sent by the IP address of the second optimal network circuit by server.
Preferably, between terminal and server, the step that its calling is relevant and flow process, no matter be main exhaling, or exhaled, can follow such as standard H.323 and H.460 agreement, the IP of all destination servers can be used in institute's decision-making optimal network circuit IP address out in registration process.
Below by the specific embodiment by Fig. 3 to Fig. 7, transmission of video conferencing data method provided by the invention is described.
Fig. 3 shows the flow chart of terminal according to the embodiment of the present invention and server registration.
In the present embodiment, terminal support such as H.323 agreement, the ITU-T of server support such as H.323 in agreement H.460 serial protocols standard possess multiple network access line.Register flow path comprises the steps:
Step S201, terminal to server sends heavyweight RRQ (heavyweight Registration Request first registration information), and is registered in server.
Step S202, server is after receiving the heavyweight RRQ of terminal, according to the IP address of the source IP addresses (namely the IP address of terminal) of this heavyweight RRQ and multiple network access line of server, carry out the optimal network circuit that decision-making terminal is connected with server.Optimal network circuit can carry out decision-making according to IP section, also can by including but are not limited to H.323RAS (Registration, Admission and Status) non-standard message, or ICMP (Internet Control Message Protocol) wraps, or the method such as the message of pure proprietary protocol carries out decision-making.
Step S203, the terminal of server to registration is followed H.323 relevant criterion rule and flow process and is verified, if be verified, replys the terminal that RCF (Registration Confirm, registration approval in-formation) gives registration.RCF comprises except the H.323RCF information comprising standard, also comprise the IP address of the optimal network circuit that the IP address of multiple network access line of the server carried with H.323non-standard nonstandard message mode and step S202 draw so that this SS later is called out or call accepted time use.
Step S204, terminal continues to send NetDetect bag (network monitor bag) to the IP address of multiple network access line of server, detects the network condition of multiple network access line of server.
Step S205, terminal continues to send lightweight RRQ (lightweight Registration Request, the second registration information), with the registration on the server of keep-alive terminal to server.Lightweight RRQ also can be used for Continuous optimization to the optimal network circuit between terminal and server and adjustment
Step S206, server wraps the network condition Optimal Decision-making optimal network circuit detected according to lightweight RRQ and NetDetect, and the lightweight RRQ that each terminal sends is responded, and reply RCF in carry the decision-making of current institute out with the optimal network circuit corresponding to this terminal.Wherein, optimal network circuit carries out packing transmission with the form of H.323non-standard nonstandard information.In a specific embodiment, server can judge the network condition of each IP address of server according to the information that NetDetect wraps.
Fig. 4 shows the sequential chart of main calling terminal according to the embodiment of the present invention and server interaction.
With reference to Fig. 4, when main calling terminal 111 has registered upper server 130, and after getting the optimal network line information between main calling terminal 111 and server 130, when in the present invention, a certain terminal initiatively makes a call, the mutual sequential chart between itself and server 130.Wherein, main calling terminal 111 supports H.323 agreement, and server 130 supports ITU-T H.460 serial protocols standard.Further, main calling terminal 111 is mutual across route 121 with server 130.
First, step S301, main calling terminal 111 in accordance with standard H.323 flow process send ARQ (Admission Request, approval request information) to server 130.
Step S302, if calling is allowed to, server 130 will return ACF (Admission Confirm, license approval in-formation), and the field dstCallSignalAddress simultaneously in ACF is the IP address of the optimal network circuit of the main calling terminal 111 obtained in step S206.In some change case, field dstCallSignalAddress is the IP address of the optimal network circuit of the main calling terminal 111 obtained in step S202.
Step S303, main calling terminal 111, according to the IP address of field dstCallSignalAddress in the ACF received, creates an ITU-T TCP H.225.0 and is connected to server 130.
Step S304, main calling terminal 111 sends ITU-T SETUP information H.225.0 to server 130.
Step S305, server 130 follows ITU-T normal process H.460.18, carries out a series of mutual (as shown in Figure 5) with called terminal.Then, server 130 returns ITU-T CONNECT order H.225.0 to main calling terminal 111, and the field h245Address wherein in this CONNECT order is the IP address of the optimal network circuit of the main calling terminal 111 obtained in step S206.In some change case, field h245Address is the IP address of the optimal network circuit of the main calling terminal 111 obtained in step S202.
Step S306, main calling terminal 111, according to the IP address of field h245Address in the CONNECT received, creates an ITU-T TCP H.245 and is connected to server 130.
Step S307, main calling terminal 111 follows standard H.323 flow process, sends the communication protocols such as GenericIndication/terminalCapabilitySet to server 130, follow-up mutual to complete.
Fig. 5 shows the sequential chart of called terminal according to the embodiment of the present invention and server interaction.With reference to Fig. 5, assuming that called terminal 122 is positioned at Intranet, and support H.460.x relevant consensus standard.Server 130 supports ITU-T H.460 serial protocols standard.And main calling terminal can be an ITU-T H.323 standard terminal not supporting H.460.18 agreement.Called terminal 122 is mutual across route 122 with server 130.When a calling is arrived time, its concrete workflow is as follows:
Step S401, called terminal 122 is registered in server 130, after server 130 receives the calling of main calling terminal, therefrom parses the information of called terminal 122.The optimal network circuit of called terminal 122 is drawn according to the registration of called terminal 122.
Step S402, server 130 sends ITU-T RAS SCI (Service Control Indication) information to called terminal 122, wherein SCI (Service Control Indication, Service controll indication information) field genericData can comprise IncomingCallIndication (incoming call instruction), insert the optimal network circuit of called terminal 122 at field callSignalAddress.
Step S403, after called terminal 122 receives ITU-T RAS SCI, replys an ITU-T RAS SCR (Service Control Response, Service controll response message) to server 130.
Step S404, called terminal 122 is according to ITU-T H.460.18 middle regulation, start a new TCP H.225.0 to connect, connection destination location is IP address in the SCI field callSignalAddress that sends of server 130 and port (optimal network circuit);
Step S405, called terminal 122 send ITU-T H.225.0FACILITY information to server 130, and the standard followed H.460.18, its field callIdentifier is set to the value in the IncomingCallIndication of the ITU-T RAS SCI that server 130 sends, field reason is set to undefinedReason, and is not with field conferenceId;
Step S406, server 130 receives this ITU-T H.225.0FACILITY after information, by this newly-established TCP H.225.0 connect directly original main calling terminal is dealt into server 130 ITU-T H.225.0SETUP information be given to called terminal 122;
Step S407, follow-up information is undertaken with standard flow process H.323 alternately.
Fig. 6 shows the sequential chart opening logical channel according to the terminal request of the embodiment of the present invention.With reference to Fig. 6, when all ITU-T information interaction is H.225.0 complete, follow the standard of H.323 and being H.460 correlated with, follow-up will be the Signalling exchange that H.245 ITU-T is correlated with, comprise Generic Indication, MSD (Master Slaver Determination), TCS (Terminal Capability Set), OLC (Open Logical Channel) etc.Wherein relevantly to the embodiment of the present invention be mainly the relevant command interaction of LC (Logical Channel), and LC involved by the embodiment of the present invention sets up and workflow is also realize under existing ITU-T framework H.460.19, main improvement is that the optimal network circuit of IP address in OLC and OLC ACK information field mediaControlChannel, the mediaChannel be correlated with by LC and acquisition combines, and can carry out to make follow-up media delivery on predetermined optimal network circuit.Wherein, Fig. 6 mainly illustrates that terminal 110 asks the flow process of OLC to server 130, and terminal 110 is mutual across route 120 with server 130.Concrete steps are as follows:
Step S501, terminal 110 sends OLC solicited message to server 130, and the IP address wherein in OLC solicited message field mediaControlChannel is any IP address of terminal 110.
Step S502, server 130 replys OLC response message to terminal 110, wherein in this OLC response message with the address information of mediaChannel and mediaControlChannel use the IP address of the optimal network circuit of the terminal 110 obtained in step S206.In some change case, it is the IP address of the optimal network circuit of the terminal 110 obtained in step S202.Source address is the IP address of this optimal network circuit, and destination address is any IP address of terminal 110.
Step S503, terminal 110 sends audio-video frequency media (RTP), and namely videoconference data is to server 130.Source address is any IP address of terminal 110, and destination address is the IP address of optimal network circuit.
Step S504, terminal 110 sends media control signal (RTCP) to server 130.Source address is any IP address of terminal 110, and destination address is the IP address of optimal network circuit.
Step S505, server 130 sends media control signal (RTCP) to terminal 110, and the network line (optimal network circuit) along the media control signal (RTCP) of terminal 110 transmission returns.Source address is the IP address of this optimal network circuit, and destination address is any IP address of terminal 110.
Fig. 7 shows the sequential chart opening logical channel according to the server request of the embodiment of the present invention.With reference to Fig. 7, ask the flow process of OLC from server 130 to terminal 110.Similar with Fig. 6, in Fig. 7, server 130 asks the flow process of OLC to terminal 110, is also the combination by optimal network circuit involved in the present invention and ITU-T OLC correlation step H.245.Specific as follows:
Step S601, according to agreement H.460.19, when server 130 sends OLC solicited message to terminal 110, the address information that can comprise mediaControlChannel and keepAliveChannel in OLC solicited message uses the IP address of the optimal network circuit of the terminal 110 obtained in step S206.In some change case, it is the IP address of the optimal network circuit of the terminal 110 obtained in step S202.
Step S602, terminal 110 replys OLC response message to server 130, and carries mediaChannel and mediaControlChannel wherein.
Step S603; terminal 110 sends KeepAlive keep-alive bag (empty RTP bag) to server 130; source address be terminal 110 for receiving the arbitrary address of audio-video frequency media data, the address of destination address entrained by the keepAliveChannel of step S601 (the IP address of optimal network circuit).
Step S604; server 130 sends audio-video frequency media (RTP); namely videoconference data is to terminal 110; the address of source address entrained by the keepAliveChannel of step S601 (the IP address of optimal network circuit), destination address is the address, source of KeepAlive keep-alive bag that server 130 receives, step S603.
Step S605, terminal 110 sends media control signal (RTCP) to server 130, source address is the arbitrary address of terminal 110 for transmission medium control signal, the address of destination address entrained by the mediaControlChannel in step S601.
Step S605, server 130 sends media control signal (RTCP) to terminal 110, adopts the transmission path of step S505.The address of source address entrained by the mediaControlChannel in step S601, destination address be in step S605 terminal 110 for the address of transmission medium control signal.
The above embodiment of the present invention aims to provide a kind of under the framework of existing communication protocol standard, especially H.323 communication protocol, in conjunction with H.460 serial specification, the optimized network transmission method making gatekeeper realize NAT to pass through, when two or more heterogeneous networks of being positioned at, terminal (MT or MCU) under the dissatisfactory network environment of mutual transmission data is in logical meeting, make the signaling of whole video conference and code stream can go on a path the fastest, the negotiation of accelerating video and communication, abundant excavation and utilize the advantage of multi-line network, and the function of the responsible equilibrium of Multi net voting circuit can be had concurrently.Simultaneously, above-described embodiment realizes this function just on the basis of existing communication agreement (especially H.323 and H.460), the data content (working mechanism that simultaneously adds additional independently, for network condition detect) relevant to NAT is added in some signalings, can realize, when maintaining the standard functional steps, the flow process of H.323 communication protocol, such working mechanism being embedded and comprises in the H.323 communication protocol of H.460.x series standard.Above-described embodiment is intended to not affect H.323 under the general frame of communication protocol standard and the prerequisite of flow process, by the communication signaling that more newly-increased NAT is relevant, dynamically to determine the optimal network circuit between terminal and server, enable overall video conference terminal and system in the network line of optimum enterprising work news and call, and finally reach optimized network transmission, and promote the object of meeting quality.
It should be noted that, though H.460 above-described embodiment combines with H.323 communication protocol, series of canonical is to illustrate that the present invention conceives, and scope is not limited to this.
Below illustrative embodiments of the present invention is illustrate and described particularly.Should be appreciated that, the invention is not restricted to disclosed execution mode, on the contrary, the invention is intended to contain the various amendment and equivalent replacement that comprise within the scope of the appended claims.
Claims (17)
1. a transmission of video conferencing data method, is characterized in that, comprising:
S1. terminal to server sends the first registration information, and described first registration information comprises the IP address of described terminal, and described server has many network access line;
S2. described server receives described first registration information, and the first optimal network circuit according to the IP address of described terminal and many network access line decision-makings of described server between terminal and described server, register approval in-formation to described terminal replies first, described first registration approval in-formation comprises: the IP address of many network access line of described server and described first optimal network circuit;
S3. described terminal receives described first registration approval in-formation, and sends network monitor bag by each IP address of described many network access line to described server;
S4. described terminal sends the second registration information to described server, and described second registration information is for the registration of terminal described in keep-alive on described server;
S5. described server receives described network monitor bag and described second registration information, and obtain the second optimal network circuit according to described second registration information and the described first optimal network circuit of described network monitor bag optimization, register approval in-formation to described terminal replies second, described second registration approval in-formation comprises described second optimal network circuit; And
S6. described terminal receives described second registration approval in-formation, uses described second optimal network circuit and described server interaction and transmit described videoconference data when video conference.
2. transmission of video conferencing data method as claimed in claim 1, it is characterized in that, described step S6 comprises:
Described server is connected with described terminal by described second optimal network circuit, and by described terminal originated calls or receipt of call; And
Described server sends described videoconference data by described second optimal network circuit to described terminal or accepts the described videoconference data that sent by described terminal.
3. the method for claim 1, is characterized in that, described step S3 comprises:
Described terminal continues to send described network monitor bag by each IP address of described many network access line to described server and obtains with lasting the described second optimal network circuit optimized.
4. transmission of video conferencing data method as claimed in claim 1, it is characterized in that, described step S4 comprises:
Described terminal continues to send described second registration information to described server,
Wherein, described server is according to each described second registration information and each described network monitor bag, and described in real-time optimization, the first optimal network circuit obtains described second optimal network circuit.
5. transmission of video conferencing data method as claimed in claim 1, it is characterized in that, also comprise after described step S3: if described terminal is before the described second optimal network circuit of acquisition, enter video conference, then described terminal uses described first optimal network circuit and described server interaction and transmits described videoconference data when video conference.
6. the transmission of video conferencing data method as described in any one of claim 1 to 5, is characterized in that, described terminal and described server support also follow ITU-T H.323 agreement, and possess the support of H.460 serial protocols.
7. a video conferencing system, it is characterized in that, comprise: main calling terminal, called terminal and server, under described main calling terminal and described called terminal are in across a network environment, described video conferencing system adopts the transmission of video conferencing data method described in any one of claim 1 to 6.
8. video conferencing system as claimed in claim 7, it is characterized in that, under described main calling terminal and described called terminal are in across a network environment, described main calling terminal is in first network, and described called terminal is in second network.
9., in a transmission of video conferencing data method for end, it is characterized in that, comprising:
A. send the first registration information to server, described first registration information comprises the IP address of described terminal, and described server has many network access line;
B. receive the first registration approval in-formation that described server is replied, described first registration approval in-formation comprises: the IP address of many network access line of described server and the first optimal network circuit between described terminal and described server;
C. send network monitor bag by each IP address of described many network access line to described server, described network monitor bag is for detecting the network condition of each IP address of described many network access line;
D. send the second registration information to described server, described second registration information is for the registration of terminal described in keep-alive on described server;
E. receive the second registration approval in-formation that described server is replied, described second registration approval in-formation comprises the second optimal network circuit, the first optimal network circuit described in described second optimal network line optimization; And
F. described videoconference data is transmitted when video conference by described second optimal network circuit and described server interaction.
10. transmission of video conferencing data method as claimed in claim 9, it is characterized in that, described step F comprises:
F1. be connected with described server by described second optimal network circuit, and make a call or receipt of call; And
F2. send described videoconference data by described second optimal network circuit to described server or accept the described videoconference data that sent by described server.
11. transmission of video conferencing data methods as claimed in claim 9, it is characterized in that, described step C comprises:
Continue to send described network monitor bag by each IP address of described many network access line to described server and obtain with lasting the described second optimal network circuit optimized.
12. transmission of video conferencing data methods as claimed in claim 11, it is characterized in that, described step D comprises:
Continue to send described second registration information to described server,
Wherein, to every bar second registration information, described terminal receives described second registration approval in-formation accordingly, and the described second optimal network circuit that described second registration approval in-formation comprises is the first optimal network circuit and obtaining according to each described second registration information and each described network monitor bag real-time optimization.
13. transmission of video conferencing data methods as claimed in claim 9, it is characterized in that, also comprise after described step B: if described terminal is before the described second optimal network circuit of acquisition, enter video conference, then described terminal uses described first optimal network circuit and described server interaction and transmits described videoconference data when video conference.
14. 1 kinds, in the transmission of video conferencing data method at server place, is characterized in that, comprising:
A. receive the first registration information sent by terminal, described first registration information comprises the IP address of described terminal, and described server has many network access line;
B. the first optimal network circuit according to the IP address of described terminal and many network access line decision-makings of described server between terminal and described server, and register approval in-formation to described terminal replies first, described first registration approval in-formation comprises: the IP address of many network access line of described server and described first optimal network circuit;
C. receive the network monitor bag sent from each IP address of described many network access line by described terminal, described network monitor bag is for detecting the network condition of each IP address of described many network access line;
D. receive the second registration information sent by described terminal, described second registration information is for the registration of terminal described in keep-alive on described server;
E. optimize described first optimal network circuit according to described second registration information and described network monitor bag and obtain the second optimal network circuit, register approval in-formation to described terminal replies second, described second registration approval in-formation comprises described second optimal network circuit; And
F. use described second optimal network circuit and described terminal interaction when video conference and transmit described videoconference data.
15. transmission of video conferencing data methods as claimed in claim 14, it is characterized in that, described step f comprises:
F1. be connected with described terminal by described second optimal network circuit, and by described terminal originated calls or receipt of call; And
F2. send described videoconference data by described second optimal network circuit to described terminal or accept the described videoconference data that sent by described terminal.
16. transmission of video conferencing data methods as claimed in claim 14, it is characterized in that, described step c comprises:
Receive the described network monitor bag sent from each IP address duration of described many network access line by described terminal.
17. transmission of video conferencing data methods as claimed in claim 16, it is characterized in that, described steps d comprises:
Receive described second registration information being continued transmission by described terminal,
Wherein, described server is according to each described second registration information, and described in each described network monitor bag real-time optimization, the first optimal network circuit obtains described second optimal network circuit.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107172378A (en) * | 2017-04-19 | 2017-09-15 | 苏州科达科技股份有限公司 | Multimedia conference system, gatekeeper's server and method for configuring route |
| CN108471363A (en) * | 2018-06-05 | 2018-08-31 | 深圳市捷视飞通科技股份有限公司 | It can support the conference system register method and device of various communications protocols |
| CN108881798A (en) * | 2017-12-29 | 2018-11-23 | 北京视联动力国际信息技术有限公司 | It is a kind of to be carried out using bridge service device across view networking conference method and system |
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| CN109743526A (en) * | 2018-12-13 | 2019-05-10 | 视联动力信息技术股份有限公司 | A kind of communication connection method for building up and system based on view networking |
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| CN112714274A (en) * | 2020-12-29 | 2021-04-27 | 苏州科达科技股份有限公司 | Video conference method and video conference resource management method |
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| CN114285776A (en) * | 2022-01-14 | 2022-04-05 | 广州广哈通信股份有限公司 | Network line state monitoring method and device and video conference terminal |
| CN115914540A (en) * | 2022-10-12 | 2023-04-04 | 山东美承数码科技有限公司 | Cloud video conference system |
| CN117354455A (en) * | 2023-12-04 | 2024-01-05 | 国网吉林省电力有限公司信息通信公司 | Communication method of distributed video conference system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060153160A1 (en) * | 2002-07-12 | 2006-07-13 | Comptel Oyj | Method, means and computer program product for controlling and/or restricting use of telecommunications connection |
| US20090138961A1 (en) * | 2007-11-23 | 2009-05-28 | D-Link Corporation | Portable ice proxy and method thereof |
| CN101207474B (en) * | 2006-12-18 | 2010-07-14 | 中兴通讯股份有限公司 | System for multicast implementation of switch-in layer network in IPTV system |
| CN102932235A (en) * | 2012-10-09 | 2013-02-13 | 曙光信息产业(北京)有限公司 | Method and server system for instant messaging in cloud computing environment |
-
2015
- 2015-03-05 CN CN201510096936.3A patent/CN104683730B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060153160A1 (en) * | 2002-07-12 | 2006-07-13 | Comptel Oyj | Method, means and computer program product for controlling and/or restricting use of telecommunications connection |
| CN101207474B (en) * | 2006-12-18 | 2010-07-14 | 中兴通讯股份有限公司 | System for multicast implementation of switch-in layer network in IPTV system |
| US20090138961A1 (en) * | 2007-11-23 | 2009-05-28 | D-Link Corporation | Portable ice proxy and method thereof |
| CN102932235A (en) * | 2012-10-09 | 2013-02-13 | 曙光信息产业(北京)有限公司 | Method and server system for instant messaging in cloud computing environment |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN107172378B (en) * | 2017-04-19 | 2019-10-01 | 苏州科达科技股份有限公司 | Multimedia conference system, gatekeeper's server and method for configuring route |
| CN108881798A (en) * | 2017-12-29 | 2018-11-23 | 北京视联动力国际信息技术有限公司 | It is a kind of to be carried out using bridge service device across view networking conference method and system |
| CN108881798B (en) * | 2017-12-29 | 2019-05-17 | 视联动力信息技术股份有限公司 | It is a kind of to be carried out using bridge service device across view networking conference method and system |
| CN110113553A (en) * | 2018-02-01 | 2019-08-09 | 北京视联动力国际信息技术有限公司 | A kind for the treatment of method and apparatus of videophone |
| CN110113553B (en) * | 2018-02-01 | 2020-11-27 | 视联动力信息技术股份有限公司 | Method and device for processing video telephone |
| 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 |
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| CN113014855A (en) * | 2021-02-09 | 2021-06-22 | 网宿科技股份有限公司 | Video conference acceleration method and system and video conference acceleration platform |
| CN113014855B (en) * | 2021-02-09 | 2023-08-18 | 网宿科技股份有限公司 | Video conference acceleration method, system and video conference acceleration platform |
| CN114285776A (en) * | 2022-01-14 | 2022-04-05 | 广州广哈通信股份有限公司 | Network line state monitoring method and device and video conference terminal |
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| CN115914540B (en) * | 2022-10-12 | 2023-09-29 | 山东美承数码科技有限公司 | Cloud video conference system |
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| CN117354455B (en) * | 2023-12-04 | 2024-03-01 | 国网吉林省电力有限公司信息通信公司 | Communication method of distributed video conference system |
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