CN1589006A - System and method for realizing end-to-end visual telephone using telephone network and Ethernet - Google Patents
System and method for realizing end-to-end visual telephone using telephone network and Ethernet Download PDFInfo
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- CN1589006A CN1589006A CN 200410074676 CN200410074676A CN1589006A CN 1589006 A CN1589006 A CN 1589006A CN 200410074676 CN200410074676 CN 200410074676 CN 200410074676 A CN200410074676 A CN 200410074676A CN 1589006 A CN1589006 A CN 1589006A
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Abstract
This invention utilizes telephone net and Ethernet to jointly realize end-to-end video videophone system and the method which utilizes Ethernet, IPV6 and current phone net to jointly realize end-to-end video videophone system and realize the service by the calling end Ethernet acc gate, IP network, called end Ethernet acc gate combined with user video videophone devices supporting IPV6, which realizes high quality end-to-end transmission of picture.
Description
Technical field
The present invention relates to the communication network technology field, is a kind of in online video-phone system and the method that realizes end-to-end high-fidelity of existing telephone.Be particularly related to a kind of IPv6 of utilization (Internet Protocolversion 6) technology and ethernet technology and realize video and voice communication system method jointly.
Background technology
In recent years, with the tremendous development of communication network technology, people are more and more urgent to the video telephone demand of real-time high-fidelity.The atypical pneumonia SARS that China breaks out has more promoted the forward position to video telephone.But we see that existing video telephone can only guarantee voice communication quality, on video image distortion bigger, picture is discontinuous, delay variation is bigger.The main cause that these problems occur is because the ITU-IH.324 standard that existing video telephone adopts, pixel and frame rate that this standard is supported are all slower, picture signal and voice signal utilize existing analog telephone system alternately to transmit, and promptly can not converse during transmitted image; The half body rest image that transmits a framed user needs 5-10 second, adds that the transmission rate of existing telephone network support itself is just low, causes the visual telephone video partial distortion bigger.
In fact, communication network technology develops into today, carries out technology VoIP (Voice/Video over IP) the relatively prosperity that voice transmit and video transmits based on the Internet.Particularly developing into of IPv6 realizes that personal communication end to end provides possibility.At present in Beijing, so flourishing city, Shanghai, 10/100 mbit ethernet has been routed to the family, this realization for Hi-Fi visual telephone provides the support of transmission technology.On the other hand, the image Compression technology is constantly progressive, and from updating of M-JPEG, MPEG1, MPEG2 and even current MPEG4 technology, image quality is more and more clear, and memory capacity is more and more littler.If adopt MPEG4, it has only 20-62.5k/ second to the demand of transmission bandwidth.Utilize the transmission rate of Ethernet support to be enough to support the transmission bandwidth requirement of MPEG4.
Summary of the invention
Because realizing technology, existing video telephone ensureing that video transmits the deficiency on the real-time, the support of fully adopting the new network communications technology to provide is provided main purpose of the present invention, proposes a kind of the fusion based on the Internet technology of IPv6 and the new method of public telephone network transmission technology realization Hi-Fi visual telephone.This method can also combine with the high bandwidth transmission technology in future provides the service quality video telephone that assurance, particularly real-time guarantee.This method also can alleviate the network load of telephone network to a certain extent simultaneously, uses for the user saves telephone charges.
The present invention realizes by the following technical solutions:
Utilize telephone network and Ethernet to unite and realize the end-to-end visual telephone system and method, utilize the end-to-end communication ability of the communication terminal that IPv6 provides, telephone set and ethernet terminal are combined together under the IPv6 technology, utilize telephone network to carry out speech transmissions, simultaneously with the transmission bearer network of Ethernet, thereby realize video telephone service end to end as video image.
Utilize the transmission bearer technology of the high bandwidth access of Ethernet,, realize video telephone service end to end by Ethernet IAD, IP network, public switch telephone network in conjunction with user's videophone device of supporting IPv6 as video image.
This method has mainly solved the relatively poor problem of telephone network picture quality transmission, utilizes the broadband ethernet access technology to solve the high-fidelity requirement of image transmission, thereby further promotes the service quality of existing telephone network, for the user provides abundant more value-added service.
Description of drawings
Fig. 1 is that telephone network and the Ethernet of utilizing of the present invention united realization end-to-end visual telephone system diagram.
Fig. 2 is that telephone network and the Ethernet of utilizing of the present invention united realization end-to-end visual telephone systems approach flow chart.
Embodiment
The system of Fig. 1 constitutes, and system comprises: the videophone device of user side 1., 6., the Ethernet IAD 3., 4., speech access device, and IP network, telephone network.User side be connected to the Ethernet IAD 3., 4. with speech access device,.Be connected with the speech access device by the Ethernet IAD.
As shown in Figure 1, user side equipment is the videophone device that is integrated with Ethernet interface and IPv6 function (is numbered in Fig. 1 1., 6.), and this equipment both can be used as plain old telephone and used, and can be used as videophone device again and used.IPv6 and ethernet technology are used as the internet terminal separately in can also utilizing.
Phone and network side interface configuration have Ethernet accessing gateway equipment (be numbered 3., 4.) in Fig. 1, it is in order to the identification house exchange system, carrying out digital domain resolves, distributing IP v6 address etc., and video image is sent in the IP network, be ultimately delivered to called subscriber's video telephone set of appointment.The called video telephone number that sends according to video telephone parses the IPv6 network address of called video telephone, according to called IPv6 address the video image of caller is sent to called videophone device from IP network then, the video image that also the callee side gateway is sent simultaneously is transmitted to the caller videophone device.System by as shown in Figure 1 just can realize video telephone communication.
The video-phone system method flow of Fig. 2, its process is as follows:
1) user applies video telephone service, distribute to IPv6 address of substation by IP network operator, the telephone number of substation will be as a domain name of IP network, IPv6 address and this domain name have one to one relation, and these information will be at the Ethernet IAD 3., 4. register;
2) 1. the calling subscriber mentions phone and pulls out and cry the called subscriber 6., network resolving called user Ipv6 address, if Called Busy, then handle by existing call mode, as the called free time, then the called user's of crying number will be simultaneously Ethernet interface by calling subscriber equipment be sent to Calling Side Ethernet IAD 3., carry out the parsing of called number digital domain and corresponding IPv6 address, the analysis result loopback is to main dialing telephone;
3) after the called subscriber receives calling subscriber's calling, be Idle state as it, it can obtain the IPv6 address of calling subscriber's phone by the Ethernet IAD of callee side;
4) caller 1. with the called subscriber 6. videophone device after obtaining the other side's IPv6 address, just can be by the IPv6 functional part on the equipment of being installed on, in the video image Ethernet interface with camera (being integrated on the telephone set) acquisition, video image is sent to the other side by IP network; Here:
A), need IAD 3., set up the IPv6 communication tunnel between 4. so if IP network is IPv4;
B), can directly be sent in the network so and go as being the IPv6 network;
5) after realizing that video connects, the user can turn-off the video communication of IP based network, only realizes telephone communication;
6) after Speech Communication finishes, arbitrary user's on-hook all can be interrupted this video communication and connect, and the user also can continue to keep video communication to connect;
7) user speech can be encoded with image and be transmitted by IP network, and no longer takies voice channel, and this also can fully guarantee the synchronous of speech and image, saves user's telephone communication expense simultaneously;
8) radio phone terminal itself can realize that network connects, and finishes the internet and browses access function by ethernet port;
Realize that high-quality video telephone is one of target of always pursuing in communication technology application facet of people.Existing video telephone realizes that technology can only guarantee the fidelity of conversation on speech, but distortion is bigger aspect video, main performance be exactly visual discontinuous, picture is unintelligible, and image usually pauses, and is inharmonious with speech.This method proposes a kind of Ethernet, IPv6 technology and existing telephone network of utilizing and unites the systems approach that realizes end-to-end Hi-Fi visual telephone, and this method has mainly solved the relatively poor problem of image transmission quality.It can further promote the service quality of existing telephone network, for the user provides abundant more value-added service.
Foregoing invention is a systems approach of utilizing IPv6, ethernet technology and existing telephone network to unite the video telephone of realizing high-fidelity.Any equivalent transformation according to inventive concept all should belong to protection scope of the present invention.
Claims (8)
1. utilize telephone network and Ethernet to unite the method that realizes end-to-end visual telephone, it is characterized in that, utilize the transmission bearer technology of the high bandwidth access of Ethernet as video image, in conjunction with user's videophone device of supporting IPv6, realize video telephone service end to end by Ethernet IAD, IP network, public switch telephone network.
2. telephone network and the Ethernet of utilizing according to claim 1 united the method that realizes end-to-end visual telephone, it is characterized in that, user side equipment is to be integrated with Ethernet interface and IPv6 function videophone device, this equipment both can be used as plain old telephone and had used, can be used as videophone device again and come usefulness, can also utilize the Ethernet interface to use as the internet terminal separately.
3. telephone network and the Ethernet of utilizing according to claim 1 united the method that realizes end-to-end visual telephone, it is characterized in that, phone and IP communication network side dispose IAD, the IPv6 address of video telephone distributed in this gateway device record, and parse the IPv6 network address of called video telephone according to the called video telephone number that video telephone sends, according to called IPv6 address the video image of caller is sent to called videophone device from IP network then, the video image that also the callee side gateway is sent simultaneously is transmitted to the caller videophone device.
4. telephone network and the Ethernet of utilizing according to claim 1 united the method that realizes end-to-end visual telephone, its step is as follows: 1) user applies video telephone service, distribute to IPv6 address of substation by IP network operator, the telephone number of substation will be as a domain name of IP network, IPv6 address and this domain name have relation one to one, and these information will be registered at the Ethernet IAD; 2) calling subscriber mentions phone and pulls out and be the called subscriber, network resolving called user Ipv6 address, if Called Busy, then handle by existing call mode, as the called free time, then the called user's of crying number will be simultaneously Ethernet interface by calling subscriber equipment be sent to Calling Side Ethernet IAD, carry out the parsing of called number digital domain and corresponding IPv6 address, the analysis result loopback is to main dialing telephone; 3) after the called subscriber receives calling subscriber's calling, be Idle state as it, it can obtain the IPv6 address of calling subscriber's phone by the Ethernet IAD of callee side; 4) caller and called subscriber's videophone device are behind the IPv6 address that obtains the other side, just can be by the IPv6 parts on the equipment of being installed on, in the video image Ethernet interface with the camera acquisition, video image is sent to the other side by IP network, here: if A) IP network is IPv4, need to set up between IAD the IPv6 communication tunnel so,, can directly be sent in the network so and go B) as being the IPv6 network.
5, telephone network and the Ethernet of utilizing according to claim 1 united the method that realizes end-to-end visual telephone, it is characterized in that, user speech can be encoded with image and be transmitted by IP network, and no longer take voice channel, this also can fully guarantee the synchronous of speech and image, save user's telephone communication expense simultaneously, radio phone terminal itself can realize that network connects, and finishes the internet and browses access function by ethernet port.
6, telephone network and the Ethernet of utilizing according to claim 1 united the method that realizes end-to-end visual telephone, it is characterized in that, after realizing that video connects, the user can turn-off the video communication of IP based network, only realizes telephone communication.
7, telephone network and the Ethernet of utilizing according to claim 1 united the method that realizes end-to-end visual telephone, it is characterized in that, after Speech Communication finished, arbitrary user's on-hook all can be interrupted this video communication and connect, and the user also can continue to keep video communication to connect;
8, utilize telephone network and Ethernet to unite and realize the end-to-end visual telephone system, comprise: the videophone device of user side, the Ethernet IAD, speech access device and IP network, telephone network, it is characterized in that user side is connected to Ethernet IAD and speech access device, be connected with the speech access device by the Ethernet IAD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100746761A CN100405844C (en) | 2004-09-13 | 2004-09-13 | System and method for realizing end-to-end visual telephone using telephone network and Ethernet |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100746761A CN100405844C (en) | 2004-09-13 | 2004-09-13 | System and method for realizing end-to-end visual telephone using telephone network and Ethernet |
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| CN1589006A true CN1589006A (en) | 2005-03-02 |
| CN100405844C CN100405844C (en) | 2008-07-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913533B (en) * | 2006-09-05 | 2011-01-12 | 北京天地互连信息技术有限公司 | Remote video monitoring system based on session initialize protocol and its implementing method |
| CN103563355A (en) * | 2011-06-10 | 2014-02-05 | 汤姆逊许可公司 | Video phone system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5916302A (en) * | 1996-12-06 | 1999-06-29 | International Business Machines Corporation | Multimedia conferencing using parallel networks |
| CN1444370A (en) * | 2002-03-13 | 2003-09-24 | 宪锋光电科技股份有限公司 | Multiport multi-band bidirectional connected telecommunication device |
| CN1525757A (en) * | 2003-07-31 | 2004-09-01 | 北京中星微电子有限公司 | A video telephone system |
| CN1233167C (en) * | 2003-09-23 | 2005-12-21 | 中国科学院计算技术研究所 | Mehtod for realizing end-to-end high-fidelity visual telephone on telephone network |
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2004
- 2004-09-13 CN CNB2004100746761A patent/CN100405844C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913533B (en) * | 2006-09-05 | 2011-01-12 | 北京天地互连信息技术有限公司 | Remote video monitoring system based on session initialize protocol and its implementing method |
| CN103563355A (en) * | 2011-06-10 | 2014-02-05 | 汤姆逊许可公司 | Video phone system |
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| Publication number | Publication date |
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| CN100405844C (en) | 2008-07-23 |
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Assignee: Shenzhen Chino-E Development Co., Ltd. Assignor: Institute of Computing Technology, Chinese Academy of Sciences Contract record no.: 2010440020036 Denomination of invention: System and method for realizing end-to-end visual telephone using telephone network and Ethernet Granted publication date: 20080723 License type: Exclusive License Open date: 20050302 Record date: 20100507 |
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