CN101098450B - Method and device for implementing multi-point communication of 3G video telephone and fixed network video signal terminal - Google Patents
Method and device for implementing multi-point communication of 3G video telephone and fixed network video signal terminal Download PDFInfo
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- CN101098450B CN101098450B CN2006100894230A CN200610089423A CN101098450B CN 101098450 B CN101098450 B CN 101098450B CN 2006100894230 A CN2006100894230 A CN 2006100894230A CN 200610089423 A CN200610089423 A CN 200610089423A CN 101098450 B CN101098450 B CN 101098450B
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Abstract
The invention discloses a method for realizing multipoint communication between 3G picture phone and fixed network video terminal, which comprises that via a video network gate, converting the signals and medias between 3G mobile network and fixed network, to convert 3G picture phone call from the 3G mobile network into fixed network call, and converting the fixed network call from fixed network multipoint controller into 3G picture phone call, therefore, 3G picture phone can actively or inactively enter multipoint video conference on multipoint controller. Via the invention, 3G picture phone can enter fixed network video multipoint conference, to add mobility and roaming property of mobile network into traditional fixed network video service, to serve user better and improve economic benefits for operator.
Description
Technical field
The present invention relates to the field that 3G mobile communication system and fixed network TV conference system merge, particularly relate to the method for 3G video telephone that realize with fixed network video terminal multi-point communication.
Background technology
The invention belongs to the field that 3G mobile communication system and fixed network TV conference system merge, specifically, relate to mobile communication system 3G video telephone by 3G video gateway (Video InternetGateway, abbreviation " VIG "), soft switch (SoftSwitch, be called for short " SS ") or gatekeeper (GateKeeper, abbreviation " GK ") participates in the method that fixed network MCU (multipoint control unit, Multipoint Control Unit are called for short " MCU ") goes up multipoint videoconference.
How 3G market as ground zero makes full use of former Internet resources and business, is to be necessary market of the follow-up sustainable development of 3G and technical foundation.The rise of 3G network has proposed the requirement of how better multimedia service.Under the environment that telecommunication market competition is growing more intense, how to effectively utilize material resources, give full play to the unique advantage of comprehensive operator, carry out characteristic service, improving enterprise's differential competition ability is the right problem of full-service operator's demand side.Fused business then is one of important means that addresses this problem.Fixing broadband data service has good application prospects with the fusion of the broadband services that moves, and fixing broadband data service and the high-speed data service of 3G merge will bring up a series of 3G " killer's business ".
Videoconferencing service is a kind of interactive multimedia business, and the user can comprise the real time communication of audio frequency, video at 2 between or multiple spot, have characteristics such as true, efficient.At present, the fixed network videoconferencing service is well used.Along with the 3G commercialization at hand, mobile videoconferencing service also begins to get more and more people's extensive concerning as the characteristic service of 3G.If characteristics such as mobile network's mobility, the property roamed are injected in traditional fixed network videoconferencing service, based on two net video signal resources, developing comprehensive videoconferencing service will can bring bigger facility to the user undoubtedly.
The requirement that the 3G video gateway is activated business because of above-mentioned 3G, and the H323 (Packet-based multimedia communications system), SIP (the SessionInitiation Protocol that in fixing IP network, relatively popularize, conversation initialized protocol) video conferencing service, Lock-in is in the requirement of activating business.Simply say, by the 3G video gateway, fixing TV conference system (H323, SIP) can with the multimedia business intercommunication of 3G.
The 3G visual telephone service is a kind of 3G multimedia communication service that integrates image, voice, can realize the aspectant real-time communication of people, and promptly both call sides can be seen the other side's scene mutually in communication process.The 3G video telephone can be realized by packet mode or circuit mode; By 3G video gateway equipment, the 3G video telephone can with IP network H.323 or the SIP video terminal carry out visual intercommunication.The 3G visual telephone service can be divided into following two kinds by the classification of communication number of individuals:
1. point-to-point conversation
3G video telephone user and another 3G video telephone user conversation between the two.This kind communication mode just can be realized in the 3G mobile network.
2. MPTY
The multi-party communication of the similar video conference that a plurality of 3G video telephone users and a plurality of internet terminal user carry out.This kind communication mode is difficult to realize in present mobile network.The present invention i.e. effective head it off.
Summary of the invention
Technical problem to be solved by this invention provides method and the device of a kind of 3G of realization video telephone with fixed network video terminal multi-point communication, solve prior art and be difficult to realize video conference between a plurality of 3G video telephone users and a plurality of internet terminal user, be difficult to solve the technical problem of similar MPTY.
For achieving the above object, the invention provides the method for a kind of 3G of realization video telephone with fixed network video terminal multi-point communication, its characteristics are, by signaling and the medium between video gateway conversion 3G mobile network's side and the fixed network side, make 3G video phone call convert the calling of fixed network side to from 3G mobile network side, fixed network side Call Transfer from fixed network side multipoint control unit becomes the 3G video phone call, makes the 3G video telephone initiatively or the multipoint videoconference on the passive described multipoint control unit of participation.
Above-mentioned method, its characteristics are that described video gateway is arranged in the 3G core net of described 3G mobile network side.
Above-mentioned method, its characteristics are that described video gateway is provided with separately outside described 3G mobile network side and described fixed network side.
Above-mentioned method, its characteristics are, initiatively participate under the condition of the multipoint videoconference on the described multipoint control unit as caller at described 3G video telephone, further comprise the steps:
Initiatively to initiating the 3G video phone call as called fixed network video conference number, described 3G video phone call arrives described video gateway through mobile network's route for steps A, described video telephone;
Step B, described video gateway resolve described 3G video phone call, extract the calling and called number, and produce the new described 3G video phone call of fixed network side calling replacement;
Step C, described fixed network side is called out behind soft switch or gatekeeper's resolving called number, arrives the multipoint control unit at called meeting place;
Step D, described multipoint control unit call out described fixed network side according to the calling and called number of calling out and insert corresponding meeting on the described multipoint control unit, call out then described video telephone affiliation if described meeting agrees to insert described fixed network side.
Above-mentioned method, its characteristics are, in described step D, after described meeting agrees to insert described fixed network side calling, described video telephone is set up media channel by described video gateway and described multipoint control unit, and the affiliation message of described video telephone, is made between all video telephone in described meeting and the fixed network video terminal and can carry out Visual communications with other 3G video telephone and fixed network video terminal in the existing described meeting of signaling by described meeting.
Above-mentioned method, its characteristics are, under the condition of described 3G video telephone as the multipoint videoconference on the described multipoint control unit of called passive participation, further comprise the steps:
Meeting on step a, the described multipoint control unit is initiatively initiated fixed network to 3G video telephone number and is called out, and described fixed network is called out behind soft switch or gatekeeper's resolving called number, arrives the video gateway of called 3G video telephone ownership;
Step b, described video gateway are resolved described fixed network and are called out, and extract the calling and called number, and produce the new described fixed network calling of 3G network side calling replacement;
Step c, described 3G network side are called out through 3G core net and mobile network's route querying, arrive called 3G video telephone;
Steps d, whether reply this calling by described called 3G video telephone decision, if reply, then described 3G video telephone affiliation.
In order better to realize purpose of the present invention, the present invention also provides the device of a kind of 3G of realization video telephone with fixed network video terminal multi-point communication, and its characteristics are, comprise 3G mobile network side apparatus, fixed network side apparatus and video gateway; Described video gateway is used to change signaling and the medium between 3G mobile network side and the fixed network side, make 3G video phone call convert the calling of fixed network side to from 3G mobile network side, fixed network side Call Transfer from fixed network side multipoint control unit becomes the 3G video phone call, makes the 3G video telephone initiatively or the multipoint videoconference on the passive described multipoint control unit of participation.
Above-mentioned device, its characteristics are that described video gateway is arranged in the 3G core net of described 3G mobile network side apparatus.
Above-mentioned device, its characteristics are that described video gateway is provided with separately outside described 3G mobile network side apparatus and described fixed network side apparatus.
Technique effect of the present invention is:
Adopt the method for the invention, make the 3G video telephone participate in fixed network video signal multipoint conference, characteristics such as mobile network's mobility, the property roamed are injected in traditional fixed network videoconferencing service, can bring bigger facility to the user undoubtedly, also brought new profit growth point for simultaneously operator.
Description of drawings
Fig. 1 is the structure chart of the specific embodiment of the method for the invention;
Fig. 2 is that the 3G video telephone is done the flow chart that caller adds fixed network video signal multipoint conference among the present invention;
Fig. 3 is the flow chart that the 3G video telephone is done called adding fixed network video signal multipoint conference among the present invention.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described further.
Mobile network 3G video telephone is used for the Visual communications between 2 more at present, can not carry out the Visual communications between the multiple spot, the present invention is directed to this problem,, make between the 3G video telephone, can carry out the multiple spot Visual communications between 3G video telephone and the fixed network video terminal mobile network 3G video telephone access fixed network video signal multipoint conference by VIG, SS or GK.
3G video telephone described in the invention is as follows by the method that VIG, SS or GK add fixed network video signal multipoint conference:
3G mobile network side apparatus comprises 3G video telephone, mobile communications network, 3G core net, and the 3G video telephone includes but not limited to 3G-324M (being applicable to 3G mobile network's H.324 agreement) mobile phone, SIP mobile phone; Fixed network side-looking news equipment comprises MCU, SS, GK, fixed network video terminal (H.323 or Session Initiation Protocol); Move with fixed network by VIG conversion signaling and medium, VIG can be configured in the 3G core net, also can separate configurations; Fixed network video signal multipoint conference is held on MCU, can open many group multipoint conferences on the MCU.
Core procedure of the present invention is as follows:
It is as follows that the 3G video telephone is done the caller process:
1, the called fixed network video conference of 3G video phone call number; This calls out the VIG on mobile network's route arrival 3G core net;
2, VIG resolves the calling that this 3G video telephone is sent, and extracts the calling and called number, and produces new fixed network side calling replacement 3G video phone call;
3, through SS or GK resolving called number, this calls out the MCU that arrives called meeting place, and the analytic method here is a prior art, does not give unnecessary details at this;
4, called MCU calls out this according to the calling and called number of calling out and inserts upward corresponding meeting of this MCU, if meeting agrees to insert this calling, and then 3G video telephone affiliation.
4-1 this 3G video telephone subsequently sets up media channel by VIG and fixed network video signal MCU.
This 3G video telephone affiliation message of 4-2 is by this meeting other 3G video telephone, fixed network video terminal in existing signaling (as the TIN signaling, promptly terminalJoinedConference belongs to prior art here, so the do not give unnecessary details) notification of meetings.
Can carry out Visual communications between all 3G video telephone, the fixed network video terminal in the 4-3 meeting.
It is as follows that the 3G video telephone is done called process:
1, the meeting active call 3G video telephone number on the fixed network video signal MCU, this calls out through SS or GK resolving called number, arrives the VIG of called 3G video telephone ownership;
2, VIG resolves the calling that this fixed network video conference is sent, and extracts the calling and called number, and produces the calling that new 3G network side calling replaces this video conference to send;
3, through 3G core net, mobile network's route querying, this calls out and arrives called 3G video telephone;
If 4 3G video telephone are replied this calling, the affiliation of 3G video telephone;
4-1 subsequently fixed network video signal MCU therewith the 3G video telephone set up media channel by VIG.
This 3G video telephone affiliation message of 4-2 is by this meeting other 3G video telephone, fixed network video terminal in the existing signaling meeting.
Can carry out Visual communications between all 3G video telephone, the fixed network video terminal in the 4-3 meeting.
What Fig. 1 described is the structure chart that a simple 3G system and fixed network video-signal system merge.As figure, 3G video telephone 101 is connected to 3G core net 103 by mobile communications network 102, include a 3G video gateway 104 in the 3G core net 103,3G video gateway 104 is connected to fixed network video terminal 107 by interconnected soft switch or gatekeeper 105, MCU106.
As can be known from Fig. 1:
1, the 3G network side apparatus comprises 3G video telephone 101, mobile communications network 102,3G core net 103 in the legend, and the 3G video telephone includes but not limited to 3G-324M mobile phone, SIP mobile phone;
2, fixed network side-looking news equipment comprises MCU, SS, GK, fixed network video terminal (H.323 or Session Initiation Protocol);
3, move with fixed network and change signaling and medium by VIG, VIG can be configured in the 3G core net, also can separate configurations;
4, fixed network video signal multipoint conference is held on MCU, can open many group multipoint conferences on the MCU.
Fig. 2 is that the 3G video telephone is done the flow chart that caller adds fixed network video signal multipoint conference among the present invention.
Main flow process is as follows:
Called meeting on step 204, the MCU can be selected to agree to insert or this calling of refusal access;
If step 205 MCU agrees to insert, then 3G video telephone affiliation.
If step 206 MCU refuses to insert, then refuse the affiliation of 3G video telephone.
Fig. 3 is the flow chart that the 3G video telephone is done called adding fixed network video signal multipoint conference among the present invention.
Main flow process is as follows:
Afterwards, MCU sends this calling (if SS or GK routing call, then MCU sends this to SS or GK address and calls out, and transmits this calling to the VIG address of called 3G video telephone ownership again by SS or GK then) to the VIG address that SS or GK return;
If the called 3G video telephone of step 305 answering call, then 3G video telephone affiliation.
If the called 3G video telephone refusal of step 306 is called out, then the 3G video telephone is not joined.
As from the foregoing, adopt the method for the invention, make the 3G video telephone participate in fixed network video signal multipoint conference, characteristics such as mobile network's mobility, the property roamed are injected in traditional fixed network videoconferencing service, can bring bigger facility to the user undoubtedly, also bring new profit growth point for simultaneously operator.
The above is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention; Every according to equivalence variation and modification that the present invention did, all contained by claim of the present invention.
Claims (3)
1. method that realizes the 3G video telephone with fixed network video terminal multi-point communication, it is characterized in that, by signaling and the medium between video gateway conversion 3G mobile network's side and the fixed network side, make 3G video phone call convert the calling of fixed network side to from 3G mobile network side, fixed network side Call Transfer from fixed network side multipoint control unit becomes the 3G video phone call, makes the 3G video telephone initiatively or the multipoint videoconference on the passive described multipoint control unit of participation;
Under the condition of described 3G video telephone, further comprise the steps: as the multipoint videoconference on the described multipoint control unit of called passive participation
Meeting on step a, the described multipoint control unit is initiatively initiated fixed network to 3G video telephone number and is called out, and described fixed network is called out behind soft switch or gatekeeper's resolving called number, arrives the video gateway of called 3G video telephone ownership;
Step b, described video gateway are resolved described fixed network and are called out, and extract the calling and called number, and produce the new described fixed network calling of 3G network side calling replacement;
Step c, described 3G network side are called out through 3G core net and mobile network's route querying, arrive called 3G video telephone;
Steps d, whether reply this calling by the decision of described 3G video telephone, if reply, then described 3G video telephone affiliation.
2. method according to claim 1 is characterized in that, described video gateway is arranged in the 3G core net of described 3G mobile network side.
3. method according to claim 1 is characterized in that, described video gateway is provided with separately outside described 3G mobile network side and described fixed network side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100894230A CN101098450B (en) | 2006-06-26 | 2006-06-26 | Method and device for implementing multi-point communication of 3G video telephone and fixed network video signal terminal |
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| CN2006100894230A CN101098450B (en) | 2006-06-26 | 2006-06-26 | Method and device for implementing multi-point communication of 3G video telephone and fixed network video signal terminal |
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| CN101098450A CN101098450A (en) | 2008-01-02 |
| CN101098450B true CN101098450B (en) | 2010-06-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102088594A (en) * | 2009-12-03 | 2011-06-08 | 康佳集团股份有限公司 | Third generation (3G) network video conference device |
| CN102387154B (en) * | 2011-11-25 | 2014-04-30 | 浙江省电力公司 | Method for realizing multi-party multimedia communication |
| CN102801703B (en) * | 2012-04-16 | 2015-02-18 | 任峰 | Method and system for making multi-party call and holding multi-party conference by using single telephone lines under control of network |
| CN111510663B (en) * | 2020-05-29 | 2021-04-02 | 国网河南省电力公司信息通信公司 | Method for realizing mobile phone access to cloud video conference system |
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Non-Patent Citations (4)
| Title |
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| 张威.3G核心网的运行.企业标准化2006 4.2006,2006(4),25-26. |
| 张威.3G核心网的运行.企业标准化2006 4.2006,2006(4),25-26. * |
| 聂祥.探讨3G网与固定网的融合业务.电信快报2005 3.2005,2005(3),36-37. |
| 聂祥.探讨3G网与固定网的融合业务.电信快报2005 3.2005,2005(3),36-37. * |
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