CN102801703B - Method and system for making multi-party call and holding multi-party conference by using single telephone lines under control of network - Google Patents
Method and system for making multi-party call and holding multi-party conference by using single telephone lines under control of network Download PDFInfo
- Publication number
- CN102801703B CN102801703B CN201210110298.2A CN201210110298A CN102801703B CN 102801703 B CN102801703 B CN 102801703B CN 201210110298 A CN201210110298 A CN 201210110298A CN 102801703 B CN102801703 B CN 102801703B
- Authority
- CN
- China
- Prior art keywords
- speech channel
- call
- mcu
- client
- speech
- 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.)
- Active
Links
Landscapes
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a method and a system for making a multi-party call and holding a multi-party conference by using single telephone lines under the control of a network. The method comprises the following steps that: users can initiate call requests to called parties at any time in an idle or call state after logging in system clients, a call transaction server controls micro control units (MCU) to be connected with a telephone network according to the requests transmitted by the clients to establish a single telephone line between the telephone network and each call party, all connected telephone lines can be connected to the MCU through the telephone network, and the call parties serving as call control parties can control the flexible combination of the MCUs and the connection of the telephone lines through a third-generation (3G) network, so that the function of making the multi-party call and holding the multi-party conference by using the single telephone lines under the control of the network can be realized. The method and the system have the advantages that the problems of communication resource waste, telephone line switching complexity, long time delay and the like caused by requirements for the establishment of the telephone line between every two call parties in the conventional multi-party call and conference technology are effectively solved; and the network control of the clients over the connection of the telephone lines can be realized by combining the connection of smart phones and the 3G network, so that the quality of service of the multi-party call and the multi-party conference is improved, and the user awareness is improved.
Description
Technical field
The present invention relates to communication and computer realm, particularly relate to the method and system that a kind of single phone speech channel passing through network control realizes many calls and meeting.
Background technology
At present, served by the MPTY of people's extensive use, a kind of is the three party service opened to the public by telecommunications company, domestic consumer only need apply for opening and monthly pay certain expense and can use, this business is only supported landline telephone and is only allowed to converse three party, concerning most of user of company level, also can not meet the demand that it carries out videoconference far away.
So for meeting the market demand of MPTY, TeleConference Bridge rises thereupon.TeleConference Bridge popular is in the market based on PSTN public telephone network mostly, and when a user initiates a call, by terminal telephone directly to the telephone network request of making a call, after calling through, the speech channel of setting up between terminal with telephone network is connected.
Along with the high speed development of mechanics of communication, smart mobile phone commercially emerges rapidly, and its jumbotron and superior soft ware autonomous installation function, be subject to liking and welcoming of more and more user, and smart mobile phone market substitutes regular handset market completely and will point the day and await for it.At present, many intelligent mobile phone terminals have also opened MPTY function, but its implementation is the same with existing telephone conference system, are still and adopt direct connection telephone network technology, make user when with multi-party simultaneous talking, need all to set up a phone speech channel by telephone network and each party, so, communication link resources occupancy not only can be caused large, increase communication network burden, when handoff calls object, also can cause time delay, affect meeting quality.
Therefore, on intelligent mobile phone terminal basis, while facilitating user can set up many calls and meeting whenever and wherever possible, make between each call terminal and telephone network, only to set up a phone speech channel, and the connection that 3G network can be utilized freely to control between every bar speech channel, alleviate communication network burden, improve meeting quality, just becoming a urgent problem, also will be the inexorable trend of new generation telephony conferencing technology development.
Summary of the invention
The present invention be directed to the defect of prior art, single phone speech channel of a kind of network control proposed realizes the method and system of many calls and meeting, this system can effectively solve in existing many calls and conferencing technology, and the communication link resources consumption that the star link must setting up a phone speech channel formation between each correspondent brings is large, speech channel switches the problems such as slow.
The many calls of single phone speech channel realization of a kind of network control of the present invention and the system of meeting are made up of client, call task server and MCU tri-part;
Wherein, described client is arranged in intelligent mobile phone terminal, makes a call or carry out Conference control for user; The request that described call task server is mainly sent according to client sends calling or speech channel connection execution instruction to MCU, and the execution result being responsible for MCU to send returns client, meanwhile, when MCU returns speech channel connection, the request of speech channel connection control is seeked the opinion of to client; Described MCU is multiparty control center, according to the instruction of call task server, implements concrete calling and initiates or perform speech channel attended operation, and execution result is returned to call task server.
Further, before the many calls of single phone speech channel realization of described network control and the system of meeting use, user needs to open smartphone data net linkage function in advance, by 3G network, sets up client and is connected with the TCP/UDP of call task server.
The system utilizing the single phone speech channel of network control of the present invention to realize many calls and meeting realizes multiple terminal and to converse and the method for conferencing function is simultaneously:
When user after the request of making a call, sends call instruction by call task server to MCU by client, MCU connects telephone network according to the instruction received and makes a call to called and caller, and all speech channels after calling through are fed to MCU; All correspondent only produce a speech channel with telephone network, thus realize many calls and the conferencing function of single phone speech channel.
Further, described call initiator has the control to speech channel, can control MCU flexible combination speech channel connection mode.
The single phone speech channel of network control of the present invention realizes the method for many calls and meeting, can realize many calls and meeting and the many calls of smart mobile phone and meeting two kinds of modes with ordinary telephone set.
Further, the many calls of single phone speech channel realization of described network control and the method for meeting realize:
(1) user is by the call request of smart mobile phone client initiation to called A;
(2) task server of conversing sends the called A instruction of calling to MCU after receiving call request;
(3), after MCU receives call instruction, connect telephone network and make a call to called A;
(4), after calling through, called A sets up the unique speech channel 1 with telephone network, and by telephone network, MCU is sent in speech channel 1, and MCU returns called A access success result;
(5), after task server of conversing receives calling result, calling caller instruction is sent to MCU;
(6), after MCU receives call instruction, connect telephone network and make a call to caller;
(7) after client receives call request, automatic off-hook, set up the unique speech channel 2 with telephone network, and by telephone network, MCU is sent in speech channel 2, MCU returns calling successful result;
(8) task server of conversing sends speech channel link order to MCU after receiving calling result;
(9), after MCU receives instruction, connect speech channel 1 and speech channel 2, realize caller and be connected with the speech channel of called A.
(10) user can continue through the call request of smart mobile phone client initiation to called B, and after calling through, speech channel 3 is sent into MCU by telephone network, the same step of calling procedure (2), (3), (4);
(11) task server of conversing seeks the opinion of speech path control request to client after receiving access success result;
(12) client provides speech path control the mode option, and user can select according to actual needs, and after selection, control model is sent to call task server by client;
(13) conversing task server according to receiving control model message, sending speech path control instruction to MCU;
(14) MCU is according to the speech path control instruction received, and performs speech channel and connects.
Further, the many calls of single phone speech channel realization of described network control and the method for meeting realize:
(1) when user A is by client after the request of making a call to user B, both sides' client carries out call negotiation by network;
(2) task server of conversing sends calling both sides telephone order to MCU after receiving negotiation result;
(3), after MCU receives call instruction, connect telephone network and make a call to user A, user B;
(4), after user A and user B client receive call request, automatic off-hook, sets up unique speech channel 1 and speech channel 2 respectively with telephone network;
(5) speech channel 1, speech channel 2 are sent into MCU by telephone network, and MCU returns access success result;
(6) task server of conversing sends speech channel link order to MCU after receiving calling result;
(7), after MCU receives instruction, connect speech channel 1 and speech channel 2, realize user A and be connected with the speech channel of user B.
(8) now, user A or user B can continue to other user's initiation/receipt of call requests, the same step of calling procedure (1), (2), (3), (4), (5);
(9) task server of conversing seeks the opinion of speech path control request to client after receiving access success result;
(10) user selects speech channel connection mode by client end interface, and after selection, control model is sent to call task server by client;
(11) task server of conversing sends speech path control instruction according to speech path control pattern to MCU;
(12) MCU is according to the speech path control instruction received, and performs speech channel and connects,
Further, described speech channel connection mode comprises switching, merging, fractionation, playback/stopping playback, recording, and wherein, described switching to disconnects speech channel 1 and the connection of speech channel 2, sets up the connection of speech channel 1 and speech channel 3; Described merging into keeps, on the basis that is connected, speech channel 3 being accessed in speech channel 1 and speech channel 2; Described is split as the connection disconnecting speech channel 3, keeps the connection of speech channel 1 and speech channel 2; Described playback/stopping playback being connected with speech channel 2 for keeping speech channel 1, plays music, after speech channel 3 is access in call, automatically stop playback to speech channel 3; Described recording is can carry out whole process recording to the speech channel in connection.
Advantage of the present invention is: efficiently solve in existing many calls and conferencing technology, the communication resource waste that a speech channel causes must be set up between each correspondent, speech channel switches complicated, the problems such as time delay is long, realize between each terminal and telephone network, only setting up a phone speech channel, the combination that user can carry out Long-distance Control speech channel by network be connected, realize multiple terminal to converse and conferencing function simultaneously, combine smart mobile phone simultaneously and connect 3G net, realize client network and control speech channel connection, improve many calls and conference service quality, promote user and use perception.
Accompanying drawing explanation
Fig. 1 is the system configuration schematic diagram of the embodiment of the present invention;
Fig. 2 is that the present invention and plain old telephone realize converse and meeting schematic diagram more;
Fig. 3 is that the present invention and smart mobile phone realize converse and meeting more.
Embodiment
As shown in Figure 1, single phone speech channel of network control realizes the system of many calls and meeting by client, call task server and MCU.
Single phone speech channel of network control of the present invention realizes the system employing B/S framework of many calls and meeting.Foreground client is arranged on intelligent mobile phone terminal, and when user logs in client by smart mobile phone, and after starting hand-set data network function, client automatically can set up long-range connection by 3G network and backstage task server of conversing.
After connecting, the request message that responsible reception client is sent by call task server, send execution instruction, and the message returned by MCU sends to client according to message content to MCU.
MCU receives the execution instruction that call task server is sent, and according to command content, connects telephone network and makes a call to called or perform speech channel connection, and execution result is returned to call task server.
As shown in Figure 2, the step that the system utilizing single phone speech channel of network control to realize many calls and meeting realizes MPTY is as follows:
One, realizes with plain old telephone more converse and the step of meeting
1. customer end A is by 3G network, connects with call task server;
2. client to make a call the request of called a to call task server;
3. task server of conversing sends the called a instruction of calling to MCU after receiving request;
4., after MCU receives instruction, connect the called a of telephone network request call;
5. the called a of telephone network call, and set up the speech channel 1 with called a;
6. speech channel 1 is sent into MCU by telephone network;
7. MCU returns to call task server and calls through result, illustrates that called a is speech channel 1;
8. task server of conversing sends the instruction of calling customer end A to MCU;
9., after MCU receives instruction, connect telephone network request call customer end A;
10. telephone network call customer end A, and set up the speech channel 2 with client;
Speech channel 2 is sent into MCU by 11. telephone networks;
12. MCU return to call task server and call through result, illustrate that customer end A is speech channel 2;
13. call task servers send to MCU and connect speech channel 1,2 instruction;
After 14. MCU receive instruction, connect speech channel 1 and speech channel 2;
Speech channel is connected success message and is returned call task server by 15. MCU;
16. call task servers return called a to customer end A and connect message, and now, customer end A and called a successful connection, can converse.
Now, customer end A still can continue to initiate the call request to other-end, also can accept the call request that other-end is sent simultaneously, and can control speech channel, to realize multiple terminals call and meeting.Continue to illustrate to the other-end request of making a call with customer end A below:
17. customer end A continue to ask to the call task server called b that makes a call;
18. call task servers send the called b instruction of calling to MCU after receiving request;
After 19. MCU receive instruction, connect the called b of telephone network request call;
The called b of 20. telephone network call, and set up the speech channel 3 with called b;
Speech channel 3 is sent into MCU by 21. telephone networks;
22. MCU return to call task server and call through result, illustrate that called b is speech channel 3;
23. call task servers seek the opinion of speech path control request to customer end A;
24. customer end A according to actual needs, send to call task server the request of control;
25. call task servers send to MCU and disconnect speech channel 1 and speech channel 2, connect speech channel 2 and speech channel 3 instruction after receiving handover request;
26. MCU perform and disconnect speech channel 1,2, connect speech channel 2,3 instruction;
27. MCU return to call task server and connect speech channel 2,3 success message;
28. call task servers return called b to client and are switched on message, and now, customer end A and called b successful connection, can converse.
As shown in Figure 3, two, realizes with smart mobile phone more converse and the step of meeting
1. customer end A, B, C are by 3G network, connect with call task server;
2. customer end A to make a call the request of customer end B to call task server;
3. task server of conversing seeks the opinion of the call request whether customer end B receives customer end A after receiving request;
4. customer end B sends to call task server the response message accepting customer end A calling;
5. task server of conversing makes a call to MCU the instruction of customer end A and customer end B;
6., after MCU receives instruction, connect telephone network request call customer end A, B;
7. telephone network call customer end B, and set up the speech channel 1 with customer end B;
8. telephone network call customer end A, and set up the speech channel 2 with customer end A;
9. speech channel 1 is sent into MCU by telephone network;
10. speech channel 2 is sent into MCU by telephone network;
11. MCU return the result of calling customer end B to call task server, and illustrate that customer end B is speech channel 1;
12. MCU return calling customer end A result to call task server, and illustrate that customer end A is speech channel 2;
13. call task servers send the instruction connecting speech channel 1,2 to MCU;
After 14. MCU receive instruction, connect speech channel 1 and speech channel 2;
Speech channel 1,2 successful connection message is returned call task server by 15. MCU;
16. call task servers return customer end B to customer end A and call through message;
17. call task servers return speech channel to customer end B and connect message, and now, customer end A and customer end B speech channel successful connection, can converse.
Now, customer end A or customer end B still can continue to initiate the call request to other-end, also can accept the call request that other-end is sent, and control speech channel, to realize many calls and meeting.
Illustrate to the other-end request of making a call with customer end B below:
18. customer end B continue to call task server make a call client C request;
19. call task servers seek the opinion of the call request whether client C receives customer end B after receiving request;
20. client C send to call task server the response message accepting customer end B calling;
21. call task servers send the instruction of calling customer end C to MCU;
After 22. MCU receive instruction, connect telephone network request call client C;
23. telephone network call client C, and set up the speech channel 3 with client C;
Speech channel 3 is sent into MCU by 24. telephone networks;
25. MCU return to call task server and call through result, illustrate that client C is speech channel 3;
26. call task servers seek the opinion of speech path control request to customer end A;
27. customer end A according to actual needs, send to call task server the request of control;
28. call task servers send to MCU and speech channel 3 are accessed current session instruction after receiving speech channel merging request;
29. MCU perform and speech channel 3 are accessed current session;
30. MCU return access speech channel 3 success message to call task server;
31. call task servers return merge client C success message respectively to customer end A, B;
32. call task servers return speech channel to client C and connect message, and now, customer end A, B, C speech channel successful connection, can converse simultaneously.
By above-mentioned analysis, can find out, in the present invention, when user needs to carry out many calls and meeting, can realize each call terminal by system to be connected with single phone speech channel of telephone network, and control to be interconnected state between every bar speech channel by connecting 3G net, this kind of mode improves in existing many communicating tech, the drawback of the star-like link that a speech channel is formed must be set up between each terminal, improve meeting execution efficiency.Therefore, the single phone speech channel of network control of the present invention realizes the introducing of many calls and meeting, as a kind of new technique, will for user bring more convenient, serve efficiently.
Claims (2)
1. single phone speech channel of network control realizes a system for many calls and meeting, is made up of client, call task server and MCU tri-part;
Wherein, described client is arranged in intelligent mobile phone terminal, makes a call or carry out Conference control for user; The request that described call task server is mainly sent according to client sends calling or speech channel connection execution instruction to MCU, and the execution result being responsible for MCU to send returns client, meanwhile, when MCU returns speech channel connection, the request of speech channel connection control is seeked the opinion of to client; Described MCU is multiparty control center, according to the instruction of call task server, implements concrete calling and initiates or perform speech channel attended operation, and execution result is returned to call task server;
It is characterized in that: the system that the single phone speech channel of described network control realizes many calls and meeting realizes multiple terminal and to converse and the method for meeting is simultaneously:
When user after the request of making a call, sends call instruction by call task server to MCU by client, MCU connects telephone network according to the instruction received and makes a call to called and caller, and all speech channels after calling through are fed to MCU; All correspondent only produce a speech channel with telephone network, thus realize many calls and the conferencing function of single phone speech channel;
Described client calls initiator has the control to speech channel, can control MCU flexible combination speech channel connection mode;
The system that the single phone speech channel of described network control realizes many calls and meeting can realize many calls and meeting and the many calls of smart mobile phone and meeting two kinds of modes with ordinary telephone set;
Wherein, the many calls of single phone speech channel realization of described network control and the system realization of meeting with the step of the many calls of ordinary telephone set and meeting are:
(1) user is by the call request of smart mobile phone client initiation to called A;
(2) task server of conversing sends the called A instruction of calling to MCU after receiving call request;
(3), after MCU receives call instruction, connect telephone network and make a call to called A;
(4), after calling through, called A sets up the unique speech channel 1 with telephone network, and by telephone network, MCU is sent in speech channel 1, and MCU returns called A access success result;
(5), after task server of conversing receives calling result, calling caller instruction is sent to MCU;
(6), after MCU receives call instruction, connect telephone network and make a call to caller;
(7) after client receives call request, automatic off-hook, set up the unique speech channel 2 with telephone network, and by telephone network, MCU is sent in speech channel 2, MCU returns calling successful result;
(8) task server of conversing sends speech channel link order to MCU after receiving calling result;
(9), after MCU receives instruction, connect speech channel 1 and speech channel 2, realize caller and be connected with the speech channel of called A;
(10) user can continue through the call request of smart mobile phone client initiation to called B, and after calling through, speech channel 3 is sent into MCU by telephone network, the same step of calling procedure (2), (3), (4);
(11) task server of conversing seeks the opinion of speech path control request to client after receiving access success result;
(12) client provides speech path control the mode option, and user can select according to actual needs, and after selection, control model is sent to call task server by client;
(13) conversing task server according to receiving control model message, sending speech path control instruction to MCU;
(14) MCU is according to the speech path control instruction received, and performs speech channel and connects;
The many calls of single phone speech channel realization of described network control and the system of meeting realize:
(1) when user A is by client after the request of making a call to user B, both sides' client carries out call negotiation by network;
(2) task server of conversing sends calling both sides telephone order to MCU after receiving negotiation result;
(3), after MCU receives call instruction, connect telephone network and make a call to user A, user B;
(4), after user A and user B client receive call request, automatic off-hook, sets up unique speech channel 1 and speech channel 2 respectively with telephone network;
(5) speech channel 1, speech channel 2 are sent into MCU by telephone network, and MCU returns access success result;
(6) task server of conversing sends speech channel link order to MCU after receiving calling result;
(7), after MCU receives instruction, connect speech channel 1 and speech channel 2, realize user A and be connected with the speech channel of user B;
(8) now, user A or user B can continue to other users request of making a call, or from other user's receipt of call requests, the same step of calling procedure (1), (2), (3), (4), (5);
(9) task server of conversing seeks the opinion of speech path control request to client after receiving access success result;
(10) user selects speech channel connection mode by client end interface, and after selection, control model is sent to call task server by client;
(11) task server of conversing sends speech path control instruction according to speech path control pattern to MCU;
(12) MCU is according to the speech path control instruction received, and performs speech channel and connects.
2. single phone speech channel of network control as claimed in claim 1 realizes the system of many calls and meeting, it is characterized in that, described speech channel connection mode comprises switching, merging, fractionation, playback/stopping playback, recording, wherein, described switching to disconnects speech channel 1 and the connection of speech channel 2, sets up the connection of speech channel 1 and speech channel 3; Described merging into keeps, on the basis that is connected, speech channel 3 being accessed in speech channel 1 and speech channel 2; Described is split as the connection disconnecting speech channel 3, keeps the connection of speech channel 1 and speech channel 2; Described playback/stopping playback being connected with speech channel 2 for keeping speech channel 1, plays music, after speech channel 3 is access in call, automatically stop playback to speech channel 3; Described recording is can carry out whole process recording to the speech channel in connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210110298.2A CN102801703B (en) | 2012-04-16 | 2012-04-16 | Method and system for making multi-party call and holding multi-party conference by using single telephone lines under control of network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210110298.2A CN102801703B (en) | 2012-04-16 | 2012-04-16 | Method and system for making multi-party call and holding multi-party conference by using single telephone lines under control of network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102801703A CN102801703A (en) | 2012-11-28 |
| CN102801703B true CN102801703B (en) | 2015-02-18 |
Family
ID=47200667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210110298.2A Active CN102801703B (en) | 2012-04-16 | 2012-04-16 | Method and system for making multi-party call and holding multi-party conference by using single telephone lines under control of network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102801703B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106354501B (en) * | 2016-08-29 | 2020-04-10 | 湖南湘能创业项目管理有限公司 | Conference splitting and interface switching method |
| CN108462800A (en) * | 2017-02-17 | 2018-08-28 | 展讯通信（上海）有限公司 | Combine call implementing method, device and terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1592341A (en) * | 2003-09-02 | 2005-03-09 | 华为技术有限公司 | Method for connecting PSTN telephone with IP conference television system |
| CN1642096A (en) * | 2004-01-08 | 2005-07-20 | 华为技术有限公司 | Multimedia conference convening method |
| CN101098450A (en) * | 2006-06-26 | 2008-01-02 | 中兴通讯股份有限公司 | Method and device for implementing multi-point communication of 3G video telephone and fixed network video signal terminal |
| CN102387154A (en) * | 2011-11-25 | 2012-03-21 | 浙江省电力公司 | Method and application server for realizing multi-party multimedia communication |
-
2012
- 2012-04-16 CN CN201210110298.2A patent/CN102801703B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1592341A (en) * | 2003-09-02 | 2005-03-09 | 华为技术有限公司 | Method for connecting PSTN telephone with IP conference television system |
| CN1642096A (en) * | 2004-01-08 | 2005-07-20 | 华为技术有限公司 | Multimedia conference convening method |
| CN101098450A (en) * | 2006-06-26 | 2008-01-02 | 中兴通讯股份有限公司 | Method and device for implementing multi-point communication of 3G video telephone and fixed network video signal terminal |
| CN102387154A (en) * | 2011-11-25 | 2012-03-21 | 浙江省电力公司 | Method and application server for realizing multi-party multimedia communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102801703A (en) | 2012-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6636508B1 (en) | Network resource conservation system | |
| CN101184194B (en) | Method, system and device for playing video | |
| CN108990122B (en) | Call switching method and system | |
| CN101465919A (en) | Method and system for implementing video conference | |
| CN1933459B (en) | Telephone redialing method and system | |
| CN101778181A (en) | Method and system for mobile terminal to achieve three-part call of videophone | |
| CN100466530C (en) | Method and device for connecting multi-conference | |
| CN107959761B (en) | Transmit-receive double-link realization method and device based on open source telephone soft switching system | |
| CN104853135A (en) | Method and system for video switching during voice communication process | |
| CN102307269B (en) | Method and system for converting two-party conversation into telephone conference and application server | |
| CN101141807B (en) | Coding/decoding negotiation method | |
| CN104579715A (en) | High-communication-quality teleconference system and method | |
| CN102801703B (en) | Method and system for making multi-party call and holding multi-party conference by using single telephone lines under control of network | |
| CN101534312B (en) | A click dialing proxy call method based on initial session protocol | |
| CN104168256B (en) | Desktop extension set is bundled with the method and apparatus shaken with mobile intelligent terminal | |
| KR101772093B1 (en) | Method for providing video consulting service of intelligent network call center | |
| CN100463404C (en) | Method for implementing telephone conference service by using media resource server | |
| CN101127794A (en) | System and method for automatic dialing mode transformation | |
| CN103401882A (en) | VOIP gateway voice link backup method and system | |
| CN103024222A (en) | Multi-party call convening method based on mobile phones | |
| US9065918B2 (en) | Third party call control utilizing a voice user interface | |
| CN103491338A (en) | Audio and video communication method, communication device and communication system | |
| CN101197888B (en) | Method and system for implementing hang-up selection when non-intelligent SIP terminal call waiting | |
| CN102780986A (en) | Call reconnection method and application server | |
| CN100397892C (en) | Method for processing videophone calling based on mobile communication network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |