CN102378355A - IMS multimedia conferencing terminal switching method and apparatus thereof - Google Patents
IMS multimedia conferencing terminal switching method and apparatus thereof Download PDFInfo
- Publication number
- CN102378355A CN102378355A CN2010102528470A CN201010252847A CN102378355A CN 102378355 A CN102378355 A CN 102378355A CN 2010102528470 A CN2010102528470 A CN 2010102528470A CN 201010252847 A CN201010252847 A CN 201010252847A CN 102378355 A CN102378355 A CN 102378355A
- Authority
- CN
- China
- Prior art keywords
- state
- meeting
- subscription
- conference system
- ims network
- 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.)
- Granted
Links
Images
Landscapes
- Telephonic Communication Services (AREA)
Abstract
The invention provides an IMS multimedia conferencing terminal switching method and an apparatus thereof. The method comprises the following steps: an IMS network sends a register request of a conference participation user terminal to a multimedia conferencing system, when a conference customization time is arrived, and the multimedia conferencing system initiates an indication of calling the conference participation user terminal to the IMS network and establishes conference connection with the user terminal; the multimedia conferencing system sends a register state subscription request to the IMS network, in a conference process, a user terminal register state is updated, the IMS network issues a state notification to the multimedia conferencing system, according to a user identity, the multimedia conferencing system carries out comparison, and when a new register address is inconsistent with an original register address and a subscription time limit is not arrived, the multimedia conferencing system dismounts conference connection with the original register address and establishes conference connection with the new register address. According to the method and the apparatus in the invention, a technical problem that the multimedia conferencing system of the IMS network can not carry out fixed and moving terminal switching in a conference process is solved.
Description
Technical field
The invention belongs to the application of Session Initiation Protocol in the communications field, relate in particular to a kind of IMS multimedia conferencing terminal switching method and device.
Background technology
Along with the development of IP technology, the bandwidth resources that the user has are more and more abundanter, and the telex network demand has surmounted simple voice, and is more and more stronger to the demand of multimedia communication.Multimedia conferencing is used more and more widely in enterprise because it is flexible.
Multimedia conferencing can only be held on multimedia hard terminal or the multimedia soft terminal based on PC at present, can adopt H.323 or Session Initiation Protocol between terminal and the conference system.The common feature of these hard terminals and software terminal is that the terminal is to adopt indoor fixedly access way, and the process of meeting can not arbitrarily move in the indoor and outdoor.Can not satisfy the demand that participant's needs arbitrarily move in the multimedia conferencing.
IMS (IP Multimedia System) is the core that multimedia service is provided for the mobile subscriber in the 3G network, also provides the fixedly NGN of wide and narrow strip fused business (next generation network) core.Therefore, the IMS network is core with the Session Initiation Protocol, makes it become target fixing and mobile network's development with the irrelevant characteristics of access.Based on the IMS network, can abundant fixing and mobile fusion multimedia application be provided for the user.
Multimedia conferencing is as one of service application of IMS network, can be for fixing in the IMS network and move the user who inserts and realize conferencing function.But present multimedia conference system based on the IMS network all automaticallyes switch between the realization same user's of employing (one number) the fixing and portable terminal and the mechanism of maintenance business continuance, causes satisfying user random switching and arbitrarily mobile demand in the process of meeting.
IETF or ITU do not have relevant documentation that fixing handoff requirement and handover mechanism with portable terminal in the video conference business made an explanation at present.
Summary of the invention
The present invention proposes a kind of IMS multimedia conferencing terminal switching method and device.The multimedia conference system that solves the IMS network can't be fixed the technical problem of switching with portable terminal in conference process.
According to an aspect of the present invention, propose a kind of IMS multimedia conferencing terminal switching method, may further comprise the steps: will the attend a meeting register requirement of user terminal of IMS network sends to multimedia conference system, in register requirement, carries former registration address; Arrive the meeting customized time, multimedia conference system is to the indication of user terminal of attending a meeting of IMS network-originated call, and sets up meeting with user terminal and be connected; Multimedia conference system sends the login state subscription request to the IMS network, in subscribe request, comprises ID, subscription time limit and the subscription registration state that will subscribe to; Meeting is carried out in the process, and the user terminal login state upgrades, and the IMS network issues state notifying to multimedia conference system, in state notifying, carries ID, new registration address; Multimedia conference system is compared according to ID, when the new registration address and former registration address is inconsistent and not when subscribing in limited time, multimedia conference system is removed and is connected with the meeting of former registration address, and is established to the new registration address to the meeting connection.
Further; Multimedia conference system sends the login state subscription request to the IMS network; In subscribe request, comprise ID, subscription time limit and the subscription registration state that to subscribe to, may further comprise the steps: send the login state subscription request through subscribe message to the IMS network, carry ID in Subscribe Sip field; Carry the subscription time limit in the Expires field, carry the subscription registration state in the Event field.
Further; The IMS network issues state notifying to multimedia conference system; In state notifying, carry ID, new registration address, may further comprise the steps: issue state notifying through notification message to multimedia conference system, indicate that in the Event field login state changes; Indicate that in the Contact of XML file field the registered address changes, carry the new registration address in the URI field.
Further, said ID is used to identify all terminals of same user, is number or SIP URI sign E.164.
According to an aspect of the present invention, propose a kind of IMS multimedia conferencing terminal switching device shifter, comprising: multimedia conference system; Comprise: the conference convening unit; Arrive the meeting customized time,, and set up meeting with user terminal and be connected to the indication of user terminal of attending a meeting of IMS network-originated call; The state subscription unit sends the login state subscription request to the IMS network, in subscribe request, comprises ID, subscription time limit and the subscription registration state that will subscribe to; The state receiving element from IMS network receipt status notification, carries ID, new registration address in state notifying; Switch unit is compared according to ID, when the new registration address and former registration address is inconsistent and not when subscribing in limited time, multimedia conference system is removed and is connected with the meeting of former registration address, and is established to the new registration address to the meeting connection; The IMS network comprises: registering unit, the register requirement of the user terminal of attending a meeting is sent to multimedia conference system, and in register requirement, carry former registration address; Calling unit, the user terminal of attending a meeting according to the indicating call of multimedia conference system; The request receiving element receives the login state subscription request of multimedia conference system; State notifying unit, meeting carry out in the process, and the user terminal login state upgrades, and issues state notifying to multimedia conference system.
Further, the state subscription unit sends the login state subscription request through subscribe message to the IMS network, carries ID in Subscribe Sip field, carries in the Expires field and subscribes to the time limit, carries the subscription registration state in the Event field.
Further, the state notifying unit issues state notifying through notification message to multimedia conference system, indicates that in the Event field login state changes, and indicates that in the Contact of XML file field the registered address changes, and carries the new registration address in the URI field.
Further, said ID is used to identify all terminals of same user, is number or SIP URI sign E.164.
According to an aspect of the present invention, propose a kind of IMS multimedia conference system, comprising: the conference convening unit, arrive the meeting customized time, to the indication of user terminal of attending a meeting of IMS network-originated call, and set up meeting with user terminal and be connected; The state subscription unit sends the login state subscription request to the IMS network, in subscribe request, comprises ID, subscription time limit and the subscription registration state that will subscribe to; The state receiving element from IMS network receipt status notification, carries ID, new registration address in state notifying; Switch unit is compared according to ID, when the new registration address and former registration address is inconsistent and not when subscribing in limited time, multimedia conference system is removed and is connected with the meeting of former registration address, and is established to the new registration address to the meeting connection.
Further, the state subscription unit sends the login state subscription request through subscribe message to the IMS network, carries ID in Subscribe Sip field, carries in the Expires field and subscribes to the time limit, carries the subscription registration state in the Event field.
Compared with prior art, the present invention has one of following at least advantage:
Industry does not have the application of clear and definite Session Initiation Protocol under this environment at present;
Need not expand sip message, equipment such as core network and multimedia conference system do not need the extension protocol stack;
This mechanism is passed through multimedia conference system and is started after meeting begins, need in the customer data base of core net, static data be set, and it is convenient to realize;
When the user terminal of attending a meeting during, can fast meeting be switched to the terminal of new registration, and can keep the continuity of convention business from the endpoint registration of different IP addresses.
Description of drawings
Fig. 1 is multimedia conferencing terminal switching method flow chart among the present invention.
Fig. 2 is the signaling process in the instance of the present invention, and wherein, Fig. 2 a is the conference convening flow process, and Fig. 2 b is the terminal switching flow.。
Fig. 3 is the IMS network of multimedia conferencing terminal switching device shifter.
Fig. 4 is the conference system of multimedia conferencing terminal switching device shifter.
Embodiment
The present invention proposes a kind of IMS multimedia conferencing terminal switching method and device.Under the situation of not expanding sip message; The special purpose of clear and definite login state subscription and informing mechanism; Instruct multimedia conference system correctly to implement the switching of meeting between the terminal in time; Realize that meeting carries out the convenience that same user's in the process conference terminal can arbitrarily switch, and can keep the continuity of convention business.
Fig. 1 is an IMS multimedia conferencing terminal switching method flow process of the present invention.
In step 101, will the attend a meeting register requirement of user terminal of IMS network sends to conference system, in register requirement, carries former registration address.
In step 102, arrive the meeting customized time, multimedia conference system is to the attend a meeting indication of user terminal of IMS network-originated call.The meeting customized time leaves multimedia conference system in.
In step 103; Multimedia conference system is set up meeting with user terminal and is connected; Multimedia conference system sends the login state subscription request to the IMS network; In subscribe request, comprise ID, subscription time limit and the subscription registration state that will subscribe to, said ID is used to identify all terminals of same user.
Each IMS user terminal has fixed terminal (comprising PC software terminal and SIP hard terminal) and portable terminal simultaneously; But same user's the unique ID of all terminals share; ID is called public subscriber identification (IMPU in the IMS system; Can global addressing), can be E.164 number (like the addressable telephone number in the whole world) or SIP URI sign (similar email address also is global addressable).
In step 104, meeting is carried out in the process, and the user terminal login state upgrades, and the IMS network issues state notifying to multimedia conference system, in state notifying, carries ID, new registration address.
In step 105, multimedia conference system is compared according to ID, and whether comparison new registration address is consistent with former registration address, if inconsistent, execution in step 106, otherwise need not switch process ends.
In step 106, judge whether to arrive and subscribe to the time limit, if, process ends, otherwise execution in step 107.
In step 107, multimedia conference system is removed and is connected with the meeting of former registration address, and is established to the new registration address to the meeting connection.
The present invention has realized the automatic switchover mechanism between fixed terminal and portable terminal, and keeps the continuity of convention business, does not influence holding of meeting.Can satisfy user terminal in the process of holding the chat of multimedia conferencing or multi-party video, the demand that arbitrarily moves in the indoor and outdoor.Move between conference terminal (the IMS terminal on the mobile phone) that inserts and the conference terminal (based on the IMS soft or hard terminal of SIP) of the fixing access and can arbitrarily switch.Indoor better for effect of meeting, can select software terminal for use based on PC, in order to move convenience, need move to when outdoor, switch to the IMS terminal of mobile phone.
Through instantiation method flow of the present invention is elaborated below.Shown in Figure 2 is signaling process in this instance.Wherein, Fig. 2 a is the conference convening flow process, and Fig. 2 b is the terminal switching flow.
Fig. 2 a is the conference convening flow process, is specially following operation.
Each user terminal of attending a meeting sends register requirement through the WEB mode to multimedia conference system, in register requirement, carries IP1 address, former terminal.
The meeting customized time arrives, and multimedia conference system is initiated the conversation request to each user terminal of attending a meeting through Invite message to the conversation control function entity (S-CSCF) of IMS core network.
S-CSCF transmits conversation request through Invite message to each user terminal of attending a meeting.
Each user terminal of attending a meeting returns 200 request responses, and S-CSCF returns 200 request responses to multimedia conference system.
Each user terminal of attending a meeting is set up medium with multimedia conference system and is connected, and meeting begins.
Multimedia conference system is subscribed to the login state of each user terminal of attending a meeting to core net S-CSCF through Subscribe (subscription) message.Subscribe message mainly comprises the ID that will subscribe to, the time limit of subscription and the content of subscription.The parameter of below listing is the mandatory parameter of message, and subscribing to the major parameter of being correlated with is the unified sign of request (Request URI), subscription incident bag (Event) and effective duration (Expires) of subscribing to, and other parameters are the basic parameter of sip message.The Subscribe message structure is following:
Subscribe Sip:user1_public1home1.net SIP/2.0 (requesting users is designated user1_public1home1.net, and this is the login state that will subscribe to the user who is designated SIP URI, in the present invention for attending a meeting user's public identify)
Via：
From：
To：
Call-ID：
CSeq：
Event:reg (the subscription event type is a login state)
Expires: effectively subscribe to duration
Contact：
Content-Length：
Fig. 2 b is the terminal switching flow, is specially following operation.
User terminal 1 is registered from new terminal.Because the registration of IMS multiaddress realizes difficulty, the present invention considers that S-CSCF supports single address registration scene.Therefore S-CSCF informing user terminal 1 is removed the meeting connection of conference system to IP1 simultaneously from the terminal log-down of IP1 address registration.
When subscribed user's login state changed, S-CSCF was through sending Notify (notice) message announcement multimedia conference system, and user terminal 1 is in the IP2 address registration.The state of user situation of change, the incident that multimedia conference system is understood announcement according to the registration event package Event parameter in the message body is that login state changes, and knows that according to the address information of the Contact daughter element of XML file the user registered address changes.Other parameters are that the basic parameter NOTIFY structure of SIP method is following:
NOTIFY?sip：[5555::aaa:bbb:ccc:ddd]：1357；comp＝sigcomp?SIP/2.0
Via：
From：
To：
Call-ID：
CSeq：
Event:reg (the subscription event type is a login state)
Content-Type：application/reginfo+xml
Contact：
Content-Length：
<?xml?version＝″1.0″?>
<reginfo?xmlns＝″urn:ietf:params:xml:ns:reginfo″
version＝″1″state＝″full″>
<registration?aor＝″sip:user1_public1home1.net″id＝″a7″
state＝″active″>
< contact id=" 76 " state=" active " (subscription is accepted and authorized successfully)
Event=" registered " (user becomes login state) >
<uri>Sip: [5555::aaa:bbb:ccc:ddd]</uri>(station address information)
</contact>
</registration>
</reginfo>
Start when switching, multimedia conference system initiates to invite user terminal 1 via IP2 address conference participation through Invite message to S-CSCF.
The conversation request that S-CSCF transmits via IP2 address conference participation to user terminal 1 through Invite message is set up the IP2 address and is connected with the medium of multimedia conference system, accomplishes the handoff procedure of user terminal 1.
The present invention also proposes multimedia conferencing terminal switching device shifter, and this device can be realized the switching flow that the present invention is above-mentioned, specifically comprises IMS network, conference system.To combine Fig. 3 and Fig. 4 that structure is elaborated below.
Fig. 3 is the IMS network of multimedia conferencing terminal switching device shifter, comprising: registering unit, calling unit, request receiving element, state notifying unit.
Registering unit sends to multimedia conference system with the register requirement of the user terminal of attending a meeting, and in register requirement, carries former registration address.
Calling unit, the user terminal of attending a meeting according to the indicating call of multimedia conference system.
The request receiving element receives the login state subscription request of multimedia conference system.
State notifying unit, meeting carry out in the process, and the user terminal login state upgrades, and issues state notifying to multimedia conference system.Concrete, issue state notifying through notification message to multimedia conference system, indicate that in the Event field login state changes, indicate that in the Contact of XML file field the registered address changes, carry the new registration address in the URI field.
Fig. 4 is the conference system of multimedia conferencing terminal switching device shifter, comprising: conference convening unit, state subscription unit, state receiving element, switch unit.
The conference convening unit arrives the meeting customized time, to the indication of user terminal of attending a meeting of IMS network-originated call, and sets up meeting with user terminal and is connected.
The state subscription unit, the state subscription unit sends the login state subscription request to the IMS network, in subscribe request, comprises ID, subscription time limit and the subscription registration state that will subscribe to.Concrete, send the login state subscription request through subscribe message to the IMS network, carry ID in Subscribe Sip field, carry in the Expires field and subscribe to the time limit, carry the subscription registration state in the Event field.Said ID is used to identify all terminals of same user, is number or SIP URI sign E.164.
The state receiving element from IMS network receipt status notification, carries ID, new registration address in state notifying.
Switch unit is compared according to ID, when the new registration address and former registration address is inconsistent and not when subscribing in limited time, multimedia conference system is removed and is connected with the meeting of former registration address, and is established to the new registration address to the meeting connection.
Through instantiation, device according to the invention is described below.
Multimedia conferencing user A has fixed terminal A1 and portable terminal A2, the switching of party A-subscriber between A1 (like pc client or SIP Phone) and A2 terminal (like mobile phone terminal) in the process that participates in a conference.Increase the state subscription function of conference users at multimedia conference system; Can obtain the state of user lastest imformation of attending a meeting; Increase the user status notification processing capacity at multimedia conference system, according to the login state variation startup terminal hand-off process at conference users terminal.
The preset conference time then, multimedia conference system call-conference each side, meeting each side and meeting multimedia server connect.Multimedia conference system is subscribed to the state information of the each side that attends a meeting.
When meeting began, the party A-subscriber used A1 terminal (like pc client) to participate in a conference as the participant, and A1 terminal and meeting media server connect.
Meeting is carried out in the process, and the party A-subscriber uses the login of A2 terminal, and the login state at A2 terminal upgrades is notified multimedia conference system by the IMS core net through NOTIFY.S-CSCF supports that A1 user is canceled under the situation of single address registration, and removes being connected of A1 and meeting media server.Multimedia conference system knows that according to IP address change in party A-subscriber's the A2 registration status notification message party A-subscriber logins again, sets up being connected of A2 and meeting media server, accomplishes the terminal and switches.
Claims (10)
1. IMS multimedia conferencing terminal switching method may further comprise the steps:
To the attend a meeting register requirement of user terminal of IMS network sends to multimedia conference system, in register requirement, carries former registration address;
Arrive the meeting customized time, multimedia conference system is to the indication of user terminal of attending a meeting of IMS network-originated call, and sets up meeting with user terminal and be connected;
Multimedia conference system sends the login state subscription request to the IMS network, in subscribe request, comprises ID, subscription time limit and the subscription registration state that will subscribe to;
Meeting is carried out in the process, and the user terminal login state upgrades, and the IMS network issues state notifying to multimedia conference system, in state notifying, carries ID, new registration address;
Multimedia conference system is compared according to ID, when the new registration address and former registration address is inconsistent and not when subscribing in limited time, multimedia conference system is removed and is connected with the meeting of former registration address, and is established to the new registration address to the meeting connection.
2. according to the said IMS multimedia conferencing of claim 1 terminal switching method; Wherein, Multimedia conference system sends the login state subscription request to the IMS network, in subscribe request, comprises ID, subscription time limit and the subscription registration state that will subscribe to, may further comprise the steps:
Send the login state subscription request through subscribe message to the IMS network, carry ID, carry in the Expires field and subscribe to the time limit, carry the subscription registration state in the Event field in Subscribe Sip field.
3. according to the said IMS multimedia conferencing of claim 1 terminal switching method, wherein, the IMS network issues state notifying to multimedia conference system, in state notifying, carries ID, new registration address, may further comprise the steps:
Issue state notifying through notification message to multimedia conference system, indicate that in the Event field login state changes, indicate that in the Contact of XML file field the registered address changes, carry the new registration address in the URI field.
4. according to the said IMS multimedia conferencing of claim 1 terminal switching method, wherein, said ID is used to identify all terminals of same user, is number or SIP URI sign E.164.
5. IMS multimedia conferencing terminal switching device shifter comprises:
Multimedia conference system comprises:
The conference convening unit arrives the meeting customized time, to the indication of user terminal of attending a meeting of IMS network-originated call, and sets up meeting with user terminal and is connected;
The state subscription unit sends the login state subscription request to the IMS network, in subscribe request, comprises ID, subscription time limit and the subscription registration state that will subscribe to;
The state receiving element from IMS network receipt status notification, carries ID, new registration address in state notifying;
Switch unit is compared according to ID, when the new registration address and former registration address is inconsistent and not when subscribing in limited time, multimedia conference system is removed and is connected with the meeting of former registration address, and is established to the new registration address to the meeting connection;
The IMS network comprises:
Registering unit sends to multimedia conference system with the register requirement of the user terminal of attending a meeting, and in register requirement, carries former registration address;
Calling unit, the user terminal of attending a meeting according to the indicating call of multimedia conference system;
The request receiving element receives the login state subscription request of multimedia conference system;
State notifying unit, meeting carry out in the process, and the user terminal login state upgrades, and issues state notifying to multimedia conference system.
6. according to the said IMS multimedia conferencing of claim 5 terminal switching device shifter; Wherein, The state subscription unit sends the login state subscription request through subscribe message to the IMS network; Carry ID in Subscribe Sip field, carry in the Expires field and subscribe to the time limit, carry the subscription registration state in the Event field.
7. according to the said IMS multimedia conferencing of claim 5 terminal switching device shifter; Wherein, The state notifying unit issues state notifying through notification message to multimedia conference system; Indicate that in the Event field login state changes, indicate that in the Contact of XML file field the registered address changes, carry the new registration address in the URI field.
8. according to the said IMS multimedia conferencing of claim 5 terminal switching device shifter, wherein, said ID is used to identify all terminals of same user, is number or SIP URI sign E.164.
9. IMS multimedia conference system comprises:
The conference convening unit arrives the meeting customized time, to the indication of user terminal of attending a meeting of IMS network-originated call, and sets up meeting with user terminal and is connected;
The state subscription unit sends the login state subscription request to the IMS network, in subscribe request, comprises ID, subscription time limit and the subscription registration state that will subscribe to;
The state receiving element from IMS network receipt status notification, carries ID, new registration address in state notifying;
Switch unit is compared according to ID, when the new registration address and former registration address is inconsistent and not when subscribing in limited time, multimedia conference system is removed and is connected with the meeting of former registration address, and is established to the new registration address to the meeting connection.
10. according to the said IMS multimedia conference system of claim 9; Wherein, The state subscription unit sends the login state subscription request through subscribe message to the IMS network; Carry ID in Subscribe Sip field, carry in the Expires field and subscribe to the time limit, carry the subscription registration state in the Event field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010252847.0A CN102378355B (en) | 2010-08-13 | 2010-08-13 | IMS multimedia conferencing terminal switching method and apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010252847.0A CN102378355B (en) | 2010-08-13 | 2010-08-13 | IMS multimedia conferencing terminal switching method and apparatus thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102378355A true CN102378355A (en) | 2012-03-14 |
| CN102378355B CN102378355B (en) | 2015-07-15 |
Family
ID=45796103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010252847.0A Active CN102378355B (en) | 2010-08-13 | 2010-08-13 | IMS multimedia conferencing terminal switching method and apparatus thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102378355B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852932A (en) * | 2015-06-12 | 2015-08-19 | 广东天波信息技术股份有限公司 | UC (unified communication) passive SIP call method and system |
| CN104954373A (en) * | 2015-06-12 | 2015-09-30 | 广东天波信息技术股份有限公司 | Unified communication active SIP (Session Initiation Protocol) calling method and system |
| CN105191294A (en) * | 2012-11-02 | 2015-12-23 | 欧朋伊克斯辰吉有限公司 | Methods and apparatus for video communications |
| CN106789966A (en) * | 2016-12-05 | 2017-05-31 | 广州海格通信集团股份有限公司 | Call business route processing method and system |
| CN103888434B (en) * | 2012-12-21 | 2017-08-08 | 中国移动通信集团北京有限公司 | A kind of method and apparatus for controlling user terminal to log in IMS network |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060101143A1 (en) * | 2004-11-11 | 2006-05-11 | Nokia Corporation | Handling of invitations to group communication sessions |
| CN101043396A (en) * | 2006-06-15 | 2007-09-26 | 华为技术有限公司 | Method for establishing subscribe communication and method for subscribing user events |
| CN101079892A (en) * | 2007-07-10 | 2007-11-28 | 华为技术有限公司 | Processing method, system and device for subscription and registration status |
| CN101127769A (en) * | 2007-08-20 | 2008-02-20 | 华为技术有限公司 | Method, system, terminal, and server for user registration based on session initiation protocol |
| WO2009088814A2 (en) * | 2007-12-31 | 2009-07-16 | Motorola, Inc. | Method and apparatus for an internet protocol multimedia subsystem-based three-way call |
-
2010
- 2010-08-13 CN CN201010252847.0A patent/CN102378355B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060101143A1 (en) * | 2004-11-11 | 2006-05-11 | Nokia Corporation | Handling of invitations to group communication sessions |
| CN101043396A (en) * | 2006-06-15 | 2007-09-26 | 华为技术有限公司 | Method for establishing subscribe communication and method for subscribing user events |
| CN101079892A (en) * | 2007-07-10 | 2007-11-28 | 华为技术有限公司 | Processing method, system and device for subscription and registration status |
| CN101127769A (en) * | 2007-08-20 | 2008-02-20 | 华为技术有限公司 | Method, system, terminal, and server for user registration based on session initiation protocol |
| WO2009088814A2 (en) * | 2007-12-31 | 2009-07-16 | Motorola, Inc. | Method and apparatus for an internet protocol multimedia subsystem-based three-way call |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105191294A (en) * | 2012-11-02 | 2015-12-23 | 欧朋伊克斯辰吉有限公司 | Methods and apparatus for video communications |
| CN103888434B (en) * | 2012-12-21 | 2017-08-08 | 中国移动通信集团北京有限公司 | A kind of method and apparatus for controlling user terminal to log in IMS network |
| CN104852932A (en) * | 2015-06-12 | 2015-08-19 | 广东天波信息技术股份有限公司 | UC (unified communication) passive SIP call method and system |
| CN104954373A (en) * | 2015-06-12 | 2015-09-30 | 广东天波信息技术股份有限公司 | Unified communication active SIP (Session Initiation Protocol) calling method and system |
| CN104852932B (en) * | 2015-06-12 | 2019-01-18 | 广东天波信息技术股份有限公司 | The passive SIP method of calling of Unified Communication and system |
| CN104954373B (en) * | 2015-06-12 | 2019-01-18 | 广东天波信息技术股份有限公司 | Unified Communication active SIP method of calling and system |
| CN106789966A (en) * | 2016-12-05 | 2017-05-31 | 广州海格通信集团股份有限公司 | Call business route processing method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102378355B (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101248568B1 (en) | Method for providing early-media service based on session initiation protocol | |
| US10609099B2 (en) | System and method for implementing media and media control transfer between devices | |
| CN101472235B (en) | Multi-terminal communication method, system and device | |
| EP2107714B1 (en) | Method and apparatus for implementing a multimedia ring back tone service and multimedia caller identification service | |
| CN100446516C (en) | A method, system and device for realizing video sharing service | |
| CN101184194B (en) | Method, system and device for playing video | |
| CN102123211B (en) | Realizing method and system of multi-party calling service | |
| CN101394294B (en) | Access method, system and apparatus for network multimedia meeting | |
| CN101278278A (en) | Method and apparatus for providing interactive media during communication of a channel-based media telecommunication protocol | |
| CN106797379B (en) | Use the TeleConference Bridge of synthesis identifier | |
| CN102215238A (en) | Service processing method and system fused with video conference and user terminal | |
| CN101938498A (en) | Method, device and system for instant communication between digital TV terminals | |
| WO2010022648A1 (en) | Method, device for playing multimedia color ring back tone and system thereof | |
| CN102378355B (en) | IMS multimedia conferencing terminal switching method and apparatus thereof | |
| WO2019011149A1 (en) | Communication method and device, application server, user equipment and system | |
| CN108234787B (en) | Method and device for terminal to realize conference call notification function | |
| US20130142085A1 (en) | Call transfer processing in sip mode | |
| CN102984492B (en) | Visual telephone processing method and equipment | |
| US8213373B2 (en) | Supporting method for REFER message expansion parameter | |
| KR20180135756A (en) | Server and method for processing conference call | |
| CN102664863B (en) | Method, device, and system for realizing call waiting by user equipment | |
| WO2012034423A1 (en) | Method and system for playing early media in session | |
| CN101764895B (en) | Method, server and system for realizing customized multimedia ringing tone of called terminal | |
| CN102131163A (en) | Method and device for exchanging control information between a circuit domain access terminal and an AS | |
| CN101742362A (en) | An intelligent simultaneous vibration method, device and system |
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 |