CN101547335A - Method and system for calling a multimedia conference using IPTV system - Google Patents
Method and system for calling a multimedia conference using IPTV system Download PDFInfo
- Publication number
- CN101547335A CN101547335A CN200910136230.XA CN200910136230A CN101547335A CN 101547335 A CN101547335 A CN 101547335A CN 200910136230 A CN200910136230 A CN 200910136230A CN 101547335 A CN101547335 A CN 101547335A
- Authority
- CN
- China
- Prior art keywords
- multimedia
- conference
- iptv
- iptv system
- multimedia conferencing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
- H04L12/1818—Conference organisation arrangements, e.g. handling schedules, setting up parameters needed by nodes to attend a conference, booking network resources, notifying involved parties
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a method and system for calling a multimedia conference using IPTV system, belonging to mobile multimedia field. In the method of the invention, IPTV system make a reservation for conference via conference reservation request, wherein the conference reservation request carries with time of conference and member information; when reaching reserved conference time, the multimedia conference system calls a conference; each member is sequentially added in the conference according to member information of conference reservation request; the multimedia conference is live broadcasted or recorded via IPTV system. The technical scheme integrates IPTV service and multimedia service in IP network; during multi-media conference, digital STB is introduced to give more information and choice to user, which largely promotes communication experience of user.
Description
Technical field
The invention belongs to mobile multimedia field, particularly a kind of use IPTV (Internet ProtocolTelevision, Web TV) system holds the method and system of multimedia conferencing.
Background technology
Digital TV set-top box STB (Set-Top Box) is a kind of conversion equipment that digital television signal is converted to analog signal, it is to the reduction of decoding through the image of digitalization compressed and voice signal, produce the video and the voice signal of simulation, provide high-quality TV programme to spectators by television indicator and stereo set.
Present digital TV set-top box has become a kind of embedded computing equipment, has perfect real time operating system, powerful CPU computing capability is provided, be used for coordinating controller top box each several part hardware facility, and provide easy-operating graphic user interface, as electronic program guides of enhanced-quality television etc., provide program introduction and the background information that both pictures and texts are excellent to the user.Simultaneously, set-top box has " fool's computer " ability, carries out bidirectional rebuilding a little by the in house software function with to network like this, can realize as multiple services such as internet browsing, video request program, household electric business, telephone communications.
Though the technology of present digital TV set-top box is more and more ripe, it mainly still is applied to TV domain, therefore is necessary the application scenarios of expansion of digital television set-top box.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of IPTV of use system to hold the method and system of multimedia conferencing.
In order to address the above problem, the invention discloses a kind of method of using the network TV IPTV system to hold multimedia conferencing, the IPTV system to the multimedia conference system preset conference, wherein, carries the time of meeting and information about firms in the described preset conference request by the preset conference request;
When the preset conference time arrived, described multimedia conference system was held a meeting, and the information about firms according in the described preset conference request adds each member in this meeting successively, and by live or this multimedia conferencing of recorded broadcast of described IPTV system.
Further, in the said method, the recorded broadcast parameter is also carried by described IPTV system in described preset conference request; Perhaps
Described IPTV system and described multimedia conference system are appointed the recorded broadcast parameter in advance.
Wherein, described recorded broadcast parameter comprises the IP address and the port of described IPTV system at least, and described IPTV system receives the data of described multimedia conferencing by described IP address and port, with live or record and broadcast described multimedia conferencing.
Described IPTV system sends described preset conference request by the interface management platform to described multimedia conference system.
The invention also discloses a kind of system that uses the network TV IPTV system to hold multimedia conferencing, comprise IPTV system and multimedia conference system, wherein:
Described IPTV system is used for sending the preset conference request that carries the time of meeting and information about firms to described multimedia conference system, and multimedia conferencing live or that the described multimedia conference system of recorded broadcast sends;
Described multimedia conference system, be used to receive described preset conference request, return the successful response of reservation to described IPTV system, when the preset conference time arrives, hold multimedia conferencing, information about firms according in the described preset conference request adds each member in this multimedia conferencing successively, and multimedia conferencing is sent to described IPTV system.
Further, in the said system, described IPTV system further comprises information interaction module and multimedia conferencing receiver module, wherein:
Described information interaction module is used for sending described preset conference request to described multimedia conference system, and when multimedia conferencing begins, notifies described multimedia conferencing receiver module to begin to receive the data of multimedia conferencing;
Described multimedia conferencing receiver module after the notice of receiving the information interaction module, begins to receive the data of the multimedia conferencing that multimedia conference system sends.
Wherein, described information interaction module also is used for carrying the recorded broadcast parameter in described preset conference request; Perhaps appoint the recorded broadcast parameter in advance with multimedia conference system.
Described recorded broadcast parameter comprises the IP address and the port of described IPTV system at least, and described multimedia conference system sends to the IPTV system by described IP address and port with the data of described multimedia conferencing.
Described IPTV system sends described preset conference request by the interface management platform to described multimedia conference system.
Technical solution of the present invention has merged IPTV business and multimedia service in IP network, in the process of multimedia meeting holding, introduce top box of digital machine, passes on more information and selection to the user, has improved user's communication greatly and has experienced.
Description of drawings
Fig. 1 is a network structure of the present invention;
Fig. 2 is a signalling diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples technical solution of the present invention is described in further detail.
A kind of system that uses the network TV IPTV system to hold multimedia conferencing, as shown in Figure 1, comprise the IPTV system, information comprehensive management platform IMP (Integration ManagementPortal) and the multimedia conference system that connect successively, wherein, the IPTV system further comprises information interaction module, multimedia conferencing receiver module and playing module, and multimedia conference system further comprises APP and multimedia control unit MCU.Introduce the each several part function below.
The IPTV system sends the preset conference request that carries the time of meeting and information about firms according to user's operation to described multimedia conference system, and multimedia conferencing live or that the described multimedia conference system of recorded broadcast sends;
Wherein, the information interaction module, be used for carrying out information interaction with described multimedia conference system, for example, send the preset conference request that carries the time of meeting, information about firms and recorded broadcast parameter, and the response message that receives the multimedia conference system feedback, and when multimedia conferencing begins, notice multimedia conferencing receiver module begins to receive the data of multimedia conferencing, and wherein, the recorded broadcast parameter comprises the IP address and the port of IPTV system at least;
In other embodiments, the information interaction module can also be appointed the recorded broadcast parameter in advance with multimedia conference system.
The multimedia conferencing receiver module after the notice of receiving the information interaction module, begins to receive the data of the multimedia conferencing that multimedia conference system sends, and the data of the multimedia conferencing received are sent to playing module;
Playing module is used for multimedia conferencing live or that the described multimedia conference system of recorded broadcast sends.
IMP, being used for the information translation that the IPTV system sends is the information of multimedia conference system identification, the information translation that multimedia conference system is sent is the information of IPTV system identification.
Multimedia conference system, be used for carrying out information interaction with the IPTV system, for example, receive the preset conference request, return the successful response of reservation etc. to described IPTV system, this system is also when the preset conference time arrives, hold multimedia conferencing, information about firms according in the described preset conference request adds each member in this multimedia conferencing successively, and multimedia conferencing is sent to described IPTV system;
Wherein, APP is used for carrying out information interaction with described IPTV, and when the preset conference time arrives, holds multimedia conferencing, according to the information about firms in the described preset conference request, each member is added in this multimedia conferencing successively;
MCU is used for according to the recorded broadcast parameter, multimedia conferencing is sent to the IP address and the port of described IPTV system correspondence.
Introduce the present invention below and use the IPTV system to hold the implementation method of multimedia conferencing, this method may further comprise the steps as shown in Figure 2:
Step 201:IPTV system sends the preset conference request according to user's operation to multimedia conference system APP (application server), comprises the information that preset conference is necessary in this request at least, for example, and member, information such as time;
After step 202:APP receives the preset conference request, carry out resource bid to resource management server RMS (ResourceManagement System);
Step 203: when the resource bid success, RMS is to APP feedback application success response;
Step 204:APP returns reservation success response (reservation ACK) to the IPTV system;
In other embodiments, the IPTV system is to multimedia conference system preset conference success, and before meeting begins, also may be according to the request of user's operation to multimedia conference system initiation cancellation preset conference, APP is then to IPTV system feedback cancellation preset conference success response (cancellation reservation ACK).
Step 205: subscription time arrives, and APP sends the request of the conf_start_req that holds a meeting to MCU;
In the present embodiment, carry the recorded broadcast parameter in the request of the conf_start_req that holds a meeting that APP sends, wherein, the recorded broadcast parameter comprises the IP address and the port of IPTV system at least, MCU sends to this IP address and port with the meeting medium in the conference process, so that it is live that IPTV systematic collection IMS conference medium carries out, also can record broadcast.
Certainly in other embodiments, also can in the preset conference request, carry above-mentioned recorded broadcast parameter, perhaps when system configuration, for MCU disposes this recorded broadcast parameter.
Step 206:MCU feeds back the success response (ACK holds a meeting) of holding a meeting to APP;
Step 207:APP sends the meeting start information to the IPTV system;
Step 208:IPTV system begins response (ACK) information to the meeting of APP feedback;
After meeting began, MCU can send to the data of this meeting on the IP address and port of IPTV system, and was live so that IPTV systematic collection IMS conference medium carries out, and also can record broadcast.
Step 209:APP sends the request of adding member 1 according to the information about firms in the information of preset conference to MCU;
Step 210:MCU adds member's 1 success response (adding end ACK) to the APP feedback;
Step 211:APP call-conference member 1;
Step 212: member 1 replys 200OK, and member 1 adds multimedia conferencing;
At this moment, member 1 adds this video conference.
Step 213:APP sends the request of adding member n to MCU;
Step 214:MCU adds member n success response (adding end ACK) to the APP feedback;
Step 215:APP call-conference member n;
Step 216: member n replys 200OK, and member n adds multimedia conferencing;
At this moment, member n adds this video conference.
Step 217: when meeting adjourned, APP was to the IPTV system message that sends that meeting adjourned;
Step 218:IPTV system is to meeting adjourned the response (ACK) of APP feedback;
Step 219:APP sends each terminal that the BYE signaling discharges conference participation;
Step 220: each terminal responds (ACK) to the BYE signaling;
Step 221:APP discharges the MCU resource;
Step 222:MCU discharges success response (ACK) to the APP feedback;
Step 223:APP sends the message of closing meeting to MCU;
Step 224:MCU closes success response (ACK) to the APP feedback.
As can be seen from Figure 2, in the present embodiment, the IPTV system carries out information interaction by IMP (as shown in Figure 2) and APP.
From the foregoing description as can be seen, technical solution of the present invention is introduced IPTV in the process of multimedia meeting holding, thereby utilizes the characteristic of IPTV, provide meeting live or recorded broadcast to other user except the participation member of multimedia conferencing, thereby the communication that has improved the user is greatly experienced.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those skilled in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (9)
1, a kind of method of using the network TV IPTV system to hold multimedia conferencing is characterized in that,
The IPTV system to the multimedia conference system preset conference, wherein, carries the time of meeting and information about firms in the described preset conference request by the preset conference request;
When the preset conference time arrived, described multimedia conference system was held a meeting, and the information about firms according in the described preset conference request adds each member in this meeting successively, and by live or this multimedia conferencing of recorded broadcast of described IPTV system.
2, the method for claim 1 is characterized in that,
The recorded broadcast parameter is also carried by described IPTV system in described preset conference request; Perhaps
Described IPTV system and described multimedia conference system are appointed the recorded broadcast parameter in advance.
3, method as claimed in claim 2 is characterized in that,
Described recorded broadcast parameter comprises the IP address and the port of described IPTV system at least, and described IPTV system receives the data of described multimedia conferencing by described IP address and port, with live or record and broadcast described multimedia conferencing.
4, as claim 1,2 or 3 described methods, it is characterized in that,
Described IPTV system sends described preset conference request by the interface management platform to described multimedia conference system.
5, a kind of system that uses the network TV IPTV system to hold multimedia conferencing is characterized in that, comprises IPTV system and multimedia conference system, wherein:
Described IPTV system is used for sending the preset conference request that carries the time of meeting and information about firms to described multimedia conference system, and multimedia conferencing live or that the described multimedia conference system of recorded broadcast sends;
Described multimedia conference system, be used to receive described preset conference request, return the successful response of reservation to described IPTV system, when the preset conference time arrives, hold multimedia conferencing, information about firms according in the described preset conference request adds each member in this multimedia conferencing successively, and multimedia conferencing is sent to described IPTV system.
6, system as claimed in claim 5 is characterized in that, described IPTV system further comprises information interaction module and multimedia conferencing receiver module, wherein:
Described information interaction module is used for sending described preset conference request to described multimedia conference system, and when multimedia conferencing begins, notifies described multimedia conferencing receiver module to begin to receive the data of multimedia conferencing;
Described multimedia conferencing receiver module after the notice of receiving the information interaction module, begins to receive the data of the multimedia conferencing that multimedia conference system sends.
7, system as claimed in claim 6 is characterized in that,
Described information interaction module also is used for carrying the recorded broadcast parameter in described preset conference request; Perhaps appoint the recorded broadcast parameter in advance with multimedia conference system.
8, system as claimed in claim 7 is characterized in that,
Described recorded broadcast parameter comprises the IP address and the port of described IPTV system at least, and described multimedia conference system sends to the IPTV system by described IP address and port with the data of described multimedia conferencing.
9, as each described system of claim 5 to 8, it is characterized in that,
Described IPTV system sends described preset conference request by the interface management platform to described multimedia conference system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910136230.XA CN101547335A (en) | 2009-04-29 | 2009-04-29 | Method and system for calling a multimedia conference using IPTV system |
| PCT/CN2010/071320 WO2010124545A1 (en) | 2009-04-29 | 2010-03-25 | Method and network system for using internet protocol television system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910136230.XA CN101547335A (en) | 2009-04-29 | 2009-04-29 | Method and system for calling a multimedia conference using IPTV system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101547335A true CN101547335A (en) | 2009-09-30 |
Family
ID=41194165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910136230.XA Pending CN101547335A (en) | 2009-04-29 | 2009-04-29 | Method and system for calling a multimedia conference using IPTV system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101547335A (en) |
| WO (1) | WO2010124545A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124545A1 (en) * | 2009-04-29 | 2010-11-04 | 中兴通讯股份有限公司 | Method and network system for using internet protocol television system |
| CN102404541A (en) * | 2010-09-10 | 2012-04-04 | 中华电信股份有限公司 | Intelligent Video Conference Starting Method |
| CN102413309A (en) * | 2011-12-27 | 2012-04-11 | 中兴通讯股份有限公司 | Method and device for joining video conference |
| WO2014075483A1 (en) * | 2012-11-16 | 2014-05-22 | 中兴通讯股份有限公司 | Method, device, and system for implementing multi-party conference call by using set top box |
| CN104519307A (en) * | 2014-12-12 | 2015-04-15 | 华为软件技术有限公司 | Conference management system, multi-image synthesis equipment, session equipment, video conference implementing method and system |
| CN104767961A (en) * | 2014-01-03 | 2015-07-08 | 中国电信股份有限公司 | Method and system for implementing video session |
| CN105262976A (en) * | 2015-09-22 | 2016-01-20 | 武汉钢铁(集团)公司 | Method for controlling third-party recording and broadcasting source and multipoint controller (MCU) |
| CN109525792A (en) * | 2018-11-27 | 2019-03-26 | 平安科技（深圳）有限公司 | Procceedings tubulation manages method and system, terminal and computer readable storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689910A (en) * | 2016-08-03 | 2018-02-13 | 阿里巴巴集团控股有限公司 | The voice acquisition method and device of multimedia conference system, multimedia conferencing |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020041830A (en) * | 1999-10-29 | 2002-06-03 | 암만 챨스 비. | Television video conferencing systems |
| US7640301B2 (en) * | 2006-04-06 | 2009-12-29 | Att Knowledge Ventures, L.P. | System and method for distributing video conference data over an internet protocol television system |
| CN101018316A (en) * | 2007-02-27 | 2007-08-15 | 深圳创维－Rgb电子有限公司 | Video conference system based on IPTV and its implementation method |
| CN101110941B (en) * | 2007-08-17 | 2010-10-13 | 中兴通讯股份有限公司 | System and method for anastomosing interactive network television and conference television |
| JP2009055292A (en) * | 2007-08-27 | 2009-03-12 | Vendium:Kk | Set top box and bidirectional communication system using the same |
| US20090300694A1 (en) * | 2008-05-30 | 2009-12-03 | Avaya Technology Llc | Open cable application platform (ocap) and set-top box (stb)-based calendering application |
| CN101547335A (en) * | 2009-04-29 | 2009-09-30 | 中兴通讯股份有限公司 | Method and system for calling a multimedia conference using IPTV system |
-
2009
- 2009-04-29 CN CN200910136230.XA patent/CN101547335A/en active Pending
-
2010
- 2010-03-25 WO PCT/CN2010/071320 patent/WO2010124545A1/en active Application Filing
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124545A1 (en) * | 2009-04-29 | 2010-11-04 | 中兴通讯股份有限公司 | Method and network system for using internet protocol television system |
| CN102404541A (en) * | 2010-09-10 | 2012-04-04 | 中华电信股份有限公司 | Intelligent Video Conference Starting Method |
| CN102413309A (en) * | 2011-12-27 | 2012-04-11 | 中兴通讯股份有限公司 | Method and device for joining video conference |
| WO2014075483A1 (en) * | 2012-11-16 | 2014-05-22 | 中兴通讯股份有限公司 | Method, device, and system for implementing multi-party conference call by using set top box |
| CN103826152A (en) * | 2012-11-16 | 2014-05-28 | 中兴通讯股份有限公司 | Method, device and system for using set-top box to realize multi-party conference call |
| US9686589B2 (en) | 2012-11-16 | 2017-06-20 | Zte Corporation | Method, device and system for implementing multi-party conference call by using set top box |
| CN104767961A (en) * | 2014-01-03 | 2015-07-08 | 中国电信股份有限公司 | Method and system for implementing video session |
| CN104519307A (en) * | 2014-12-12 | 2015-04-15 | 华为软件技术有限公司 | Conference management system, multi-image synthesis equipment, session equipment, video conference implementing method and system |
| CN104519307B (en) * | 2014-12-12 | 2018-01-12 | 华为软件技术有限公司 | Meeting management system, continuous presence equipment, branch's field device, video meeting implementing method and system |
| CN105262976A (en) * | 2015-09-22 | 2016-01-20 | 武汉钢铁(集团)公司 | Method for controlling third-party recording and broadcasting source and multipoint controller (MCU) |
| CN105262976B (en) * | 2015-09-22 | 2019-02-01 | 武汉钢铁(集团)公司 | A kind of control third party's recorded broadcast source method and multipoint controller MCU |
| CN109525792A (en) * | 2018-11-27 | 2019-03-26 | 平安科技（深圳）有限公司 | Procceedings tubulation manages method and system, terminal and computer readable storage medium |
| CN109525792B (en) * | 2018-11-27 | 2022-04-22 | 平安科技（深圳）有限公司 | Conference recording management method and system, terminal and computer readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010124545A1 (en) | 2010-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101547335A (en) | Method and system for calling a multimedia conference using IPTV system | |
| CN108055496B (en) | Live broadcasting method and system for video conference | |
| CN202918417U (en) | Video conversation system based on Android set top box | |
| CN101582731B (en) | Method and system for processing bookmark service and triggering, supplying, processing and control devices | |
| CN106941629B (en) | Real-time live broadcast method based on SIP + RTP and RTMP protocol intercommunication | |
| CN101677394B (en) | Method and apparatus for commercial break based on IPTV | |
| US20080010362A1 (en) | Communication terminal, system and method for implementing streaming service | |
| CN105376516A (en) | Mobile video conference system and implementing method thereof | |
| CN102036058A (en) | Method, server, terminal and system for switching videos in video monitoring system | |
| CN104519307A (en) | Conference management system, multi-image synthesis equipment, session equipment, video conference implementing method and system | |
| CN103096128A (en) | Method capable of achieving video interaction, server, terminal and system | |
| CN112533006B (en) | Communication method and device for live broadcast platform and VOIP terminal | |
| CN112543301A (en) | Intelligent conference system based on IMS and implementation method thereof | |
| CN101754002B (en) | Video monitoring system and realization method for dual-stream monitoring front end thereof | |
| CN101370220B (en) | Video media monitoring method and system | |
| CN108259933A (en) | A kind of plug-flow platform that can support 3 kinds of business functions | |
| CN103595950A (en) | Method for carrying out video communication based on cable digital television set top box | |
| US8908853B2 (en) | Method and device for displaying information | |
| CN102438119B (en) | Audio/video communication system of digital television | |
| CN100486367C (en) | System and method for realizing color image service | |
| CN108322429B (en) | Recording control method in real-time communication, real-time communication system and communication terminal | |
| CN101540871B (en) | Method and terminal for synchronously recording sounds and images of opposite ends based on circuit domain video telephone | |
| CN107295419A (en) | Set-top box video call implementing method | |
| CN103684970A (en) | Transmission method and thin terminals for media data streams | |
| CN101951491B (en) | Method and system for playing video service |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20090930 |