CN101674313A - SIP registration method for server to actively inform user switching, system and device thereof - Google Patents
SIP registration method for server to actively inform user switching, system and device thereof Download PDFInfo
- Publication number
- CN101674313A CN101674313A CN200910204846A CN200910204846A CN101674313A CN 101674313 A CN101674313 A CN 101674313A CN 200910204846 A CN200910204846 A CN 200910204846A CN 200910204846 A CN200910204846 A CN 200910204846A CN 101674313 A CN101674313 A CN 101674313A
- Authority
- CN
- China
- Prior art keywords
- server
- voice terminal
- registration
- main
- standby
- 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
Landscapes
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a SIP registration method for a server to actively inform user switching, which is applied to a system comprising a voice terminal, a master server and a standby server. The method comprises the following steps: the standby server sends a notification message to the voice terminal according to voice terminal information which is synchronously registered from the master server after learning that the master server is not available so that the voice terminal is switched into the standby server. The invention helps avoid the problem that the user frequently sends a registration message to the server, which is superior to the existing registry backup plan.
Description
Technical field
The present invention relates to communication technical field, relate in particular to SIP register method, system and device that a kind of server proactive notification user is switched.
Background technology
In the prior art, SIP (Session Initiation Protocol, Session initiation Protocol) registration scenarios as shown in Figure 1, regularly initiatively send logon message (for example REGISTER register requirement) by the user to server, server carries out that various replying (for example 200OK response) finish, if the user succeeds in registration, then can communicate by current server.If registration failure or overtime thinks that then current server is unavailable, switch to standby server, and initiate registration again, by that analogy to standby server.
But owing on the network a lot of uncertain situations are arranged, server is if fault, and existing scheme can the proactive notification user, causes the user can't in time learn information, thereby can't switch to standby server at once, and proper communication can't be protected.For example, server failure, the user has only overtime by the time, can find that just this server is unavailable, and being equivalent to all can't proper communication in a period of time.In addition, need regularly registration updating after the user registration success, promptly the user needs regularly to register to server repeating transmission logon message, and is still available to guarantee own validity or definite server in service.
Yet a server has many users simultaneously, and is thousands of at least, up to ten thousand at most, and the registration that user side is frequent has increased offered load greatly, also increased load of server simultaneously, reduced efficient.
In addition, though user's registration updating can play the effect that detects server state, registration updating has certain hour at interval, server failure in the interbody spacer at this moment, and the user can't know, and will cause that the user can't proper communication in the period at this section.
Summary of the invention
The invention provides SIP register method, system and device that a kind of server proactive notification user is switched, guarantee user's timely communication, even server breaks down, do not have influence on user's proper communication yet, reduce offered load simultaneously, avoid the multi-user frequently to server registration, improve server performance.
The invention provides the SIP register method that a kind of server proactive notification user is switched, be applied to comprise in voice terminal, the main system, said method comprising the steps of with server and standby server:
Described standby server is known when described master uses server unavailable, according to from the described main voice terminal information of using the registration of server sync, sends a notification message to described voice terminal, makes described voice terminal switch to described standby server.
Described standby server is known described main unavailable with server, specifically comprises:
Described standby server sends the Option request message to main with server, if do not receive 200OK in Preset Time, then determines described main unavailable with server; Or
When described master uses server unavailable, initiatively pass through Option request message notice standby server.
Make described voice terminal switch to described standby server, specifically comprise:
Carry sign-on ID in the described notification message, described voice terminal determines whether to re-register according to described sign-on ID;
Re-register if desired, then described voice terminal is initiated registration to standby server again;
If do not need to re-register, the destination address that then described voice terminal directly will send message switches to the standby server address from main with server address.
Described standby server is specially from the information of described master with server sync registration voice terminal:
This locking phase is for last subsynchronous, main when the registration voice terminal information of new interpolation or deletion is arranged in the server, with the registration voice terminal information synchronization of described new interpolation or deletion to described standby server to upgrade the information of voice terminal on the described standby server.
The voice terminal information of described registration is carried to the Option request message body that described standby server sends with server by described master, or carries to the 200OK message body that described standby server returns with server by described master.
The invention provides the SIP Accreditation System that a kind of server proactive notification user is switched, comprise in voice terminal, the main system with server and standby server,
Described standby server is used to know when described master uses server unavailable, according to from the described main voice terminal information of using the registration of server sync, sends a notification message to described voice terminal;
Described voice terminal, be used to receive described notification message after, determine whether to re-register according to the sign-on ID that carries in the described notification message, re-register if desired, then initiate registration to standby server again; If do not need to re-register, the destination address that then directly will send message switches to the standby server address from main with server address.
The invention provides a kind of server, be applied to comprise in the main preparation system of voice terminal, at least two servers, described server comprises during for standby server:
Synchronization module is used for the information with the voice terminal of server sync registration from corresponding master with it;
Detection module is used for sending the Option request message to main with server, if do not receive 200OK in Preset Time, then determines described main unavailable with server; Or receive the unavailable notice that described master sends by the Option request message with server, then determine described main unavailable with server.
Notification module, be connected with described detection module, be used for described detection module and know when described master uses server unavailable, according to the voice terminal information of using the registration of server sync from described master, send a notification message to described voice terminal, make described voice terminal switch to book server.
Described synchronization module, specifically be used for this locking phase for last subsynchronous, main when the registration voice terminal information of new interpolation or deletion is arranged in the server, with the registration voice terminal information synchronization of described new interpolation or deletion to the information of book server with voice terminal on the renewal book server.
The invention provides a kind of server, be applied to comprise in the main preparation system of voice terminal, at least two servers, described server is to comprise when leading with server:
Synchronization module is used for to the information of the voice terminal of registration synchronously of corresponding standby server with it;
The state information indicating module, but be used for the book server time spent, receive the Option request message that described standby server sends, return 200OK to described standby server, or send unavailable notice by the Option request message to described standby server.
The invention provides a kind of voice terminal, it is characterized in that, be applied to comprise that described voice terminal comprises in the main system with server and standby server:
Receiver module is used to receive the notification message that standby server sends;
Processing module is connected with described receiver module, is used for determining whether to re-register according to the sign-on ID that described notification message carries, and re-registers if desired, then initiates registration to standby server again; If do not need to re-register, then, the destination address that directly will send message switches to the standby server address from main with server address.
Compared with prior art, the present invention has the following advantages:
Among the present invention, standby server is from the information of described master with server sync registration voice terminal, and detecting described mainly, send a notification message to described voice terminal when unavailable with server, makes described voice terminal switch to described standby server.The present invention avoided the user frequent send logon message to service, be better than present registration backup scenario, and client registration just do not need very frequent, can one hour or just registration is once the longer time, not only greatly reduce offered load, also improved server performance simultaneously.
Description of drawings
Fig. 1 is SIP register flow path figure in the prior art;
Fig. 2 is the SIP register method flow chart that a kind of server proactive notification user is switched among the present invention;
Fig. 3 is a kind of concrete log-on message interaction diagrams corresponding with Fig. 2 among the present invention;
Fig. 4 is a kind of server architecture figure among the present invention;
Fig. 5 is another kind of server architecture figure among the present invention;
Fig. 6 is a kind of voice terminal structure chart among the present invention.
Embodiment
Core concept of the present invention is: standby server is known when the master uses server unavailable, according to the voice terminal information of using the registration of server sync from described master, send a notification message to described voice terminal, make described voice terminal switch to described standby server.Therefore, can main can the proactive notification voice terminal when breaking down with server, and switch on the standby server, can improve the ease for use of server greatly, guarantee communication in time.
The invention provides the SIP register method that a kind of server proactive notification user is switched, be applied to comprise that described method may further comprise the steps as shown in Figure 3 in voice terminal, the main system with server and standby server:
Step 301, described standby server know whether described master is available with server, if available then continue to detect, if unavailable, then change step 302;
By leading: Option message with adding heartbeat message between server and the standby server, for example.Standby server sends Option message to main with server, after the master receives Option message with server, reply response 200OK, determine that then the master can use with server to standby server, if (for example in 10 seconds) do not receive 200OK in Preset Time, then determine main unavailable with server.In addition, survey,, then send Option message to main with server once more, repeat for several times,, then confirm main unavailable with server if all confiscate 200OK in the preset times when in Preset Time, not receiving 200OK for fear of flase drop.
The master can be frequently with the Option message between server and the standby server, for example surveyed once in 20 seconds, when the master is unavailable with server, can initiatively pass through Option message informing standby server, also can be, to cause immediately and switch when sending Option message and do not respond to main with server when standby server.
Step 302, described standby server sends a notification message to described voice terminal according to from the described main voice terminal information of using the registration of server sync;
Wherein, can be by Option request message (the main information that the synchronous registration voice terminal of renewal is arranged with discovering server, be carried in the Option request message and issue standby server) or 200OK response message (when standby server need obtain the information of synchronous registration voice terminal, send the Option request message to main with server, the master is carried in the 200OK response message with the information of the synchronous registration voice terminal that server will respond, return to standby server) lead synchronously with the information of registered users on server and the standby server, for example increase or delete the information of voice terminals such as telephone number.For example: add XML (Extensible Markup Language, extend markup language) message body, the information (also can use other types message body) of record voice terminal in the message body.Doing like this is in order to guarantee when main with server when unavailable, and standby server can accurately know, need notify which voice terminal switching server and registers to standby server.
Wherein, Option message is exemplified below, and following bolded section is new content:
The example of OPTIONS request:
OPTIONS?sip：carol@chicago.com
Via：SIP/2.0/UDP?pc33.atlanta.com；branch＝z9Hg4bKhjhs8ass877
Max-Forwards：70
To：<sip:carol@chicago.com>
From：Alice<sip:alice@atlanta.com>；tag＝1928301774
Call-ID：a84b4c76e66710
Cseq：63104OPTIONS
Contact：<sip:alice@pc33.atlanta.com>
Accept：application/
Content-Length：0
The example of 200OK response:
SIP/2.0200OK
Via：SIP/2.0/UDP?pc33.atlanta.com；branch＝z9hG4bKhjhs8ass877；
received＝192.0.2.4
To：<sip:carol@chicago.com>；tag＝93810874
From：Alice<sip:alice@atlanta.com>；tag＝1928301774
Call-ID：a84b4c76e66710
Cseq：63104OPTIONS
Contact：<sip:carol@chicago.com>
Contact：mailto:carol@chicago.com
Allow：INVITE，ACK，CANCEL，OPTIONS，BYE
Accept：application/sdp
Accept-Encoding：gzip
Accept-Language：en
Supported：foo
Content-Type：application/
Content-Length：274
In addition, be not all to need to send all telephone numbers in each 200OK response message, and be that this locking phase is for last subsynchronous, main when the registration voice terminal information of new interpolation or deletion is arranged in the server, with the registration voice terminal information synchronization of described new interpolation or deletion to described standby server to upgrade the information of voice terminal on the described standby server.
Wherein, standby server initiatively sends Notify message or other message to all clients, and the notice client switches to from server.
Notify message is given an example: following bolded section is new content
The example of Notiy notice:
NOTIFY?sip：100.1.1.149SIP/2.0
Via：SIP/2.0/UDP?100.1.1.30；branch＝z9hG4bKac1250746607
Max-Forwards：70
From：<sip:100.1.1.149；user＝phone>；tag＝1c1233704704
To：<sip:20@100.1.1.149>；tag＝1c1690315152
Call-ID：1690314800112000205314@100.1.1.20
CSeq：1NOTIFY
Contact：<sip:100.1.1.149>
Supported：em，timer，replaces，path
Allow：REGISTER，OPTIONS，INVITE，ACK，CANCEL，BYE，NOTIFY，
PRACK，REFER
Event：
Subscription-State：active；expires＝9999
User-Agent：Audiocodes-Sip-Gateway-MP-108FXS/v.4.60A.039.001
Content-Type：message/sipfrag
Content-Length：20
Step 303, described voice terminal switches to described standby server.
Voice terminal is received the Notify message of standby server, learns to switch to this standby server; Can select to initiate registration to standby server again; Can not retransmit logon message yet, but directly server address is being switched to standby server to standby server.Whether need to retransmit logon message, identify by the register parameter in the Switch-Server header field in the Notify message to standby server.Register=no does not need to initiate registration to standby server again, and the server acquiescence is available; Register=yes needs to initiate registration again to standby server again.
According to shown in Figure 2, a kind of concrete register flow path as shown in Figure 3.
The invention provides the SIP Accreditation System that a kind of server proactive notification user is switched, comprise in voice terminal, the main system with server and standby server,
Described standby server is used to know when described master uses server unavailable, according to from the described main voice terminal information of using the registration of server sync, sends a notification message to described voice terminal;
Described voice terminal, be used to receive described notification message after, determine whether to re-register according to the sign-on ID that carries in the described notification message, re-register if desired, then initiate registration to standby server again; If do not need to re-register, the destination address that then directly will send message switches to the standby server address from main with server address.
The invention provides a kind of server, be applied to comprise in the main preparation system of voice terminal, at least two servers, as shown in Figure 4, comprising when described server is standby server:
The invention provides a kind of server, be applied to comprise in the main preparation system of voice terminal, at least two servers, as shown in Figure 5, comprising when described server is master's usefulness server:
State information indicating module 520, but be used for the book server time spent, receive the Option request message that described standby server sends, return 200OK to described standby server, or send unavailable notice by the Option request message to described standby server.
The invention provides a kind of voice terminal, be applied to comprise in the main system, it is characterized in that described voice terminal comprises as shown in Figure 6 with server and standby server:
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (10)
1, a kind of SIP register method of server proactive notification user switching is applied to comprise in voice terminal, the main system with server and standby server, it is characterized in that, said method comprising the steps of:
Described standby server is known when described master uses server unavailable, according to from the described main voice terminal information of using the registration of server sync, sends a notification message to described voice terminal, makes described voice terminal switch to described standby server.
2, the method for claim 1 is characterized in that, described standby server is known described main unavailable with server, specifically comprises:
Described standby server sends the Option request message to main with server, if do not receive 200 OK in Preset Time, then determines described main unavailable with server; Or
When described master uses server unavailable, initiatively pass through Option request message notice standby server.
3, the method for claim 1 is characterized in that, makes described voice terminal switch to described standby server, specifically comprises:
Carry sign-on ID in the described notification message, described voice terminal determines whether to re-register according to described sign-on ID;
Re-register if desired, then described voice terminal is initiated registration to standby server again;
If do not need to re-register, the destination address that then described voice terminal directly will send message switches to the standby server address from main with server address.
4, the method for claim 1 is characterized in that, described standby server is specially from the information of described master with server sync registration voice terminal:
This locking phase is for last subsynchronous, main when the registration voice terminal information of new interpolation or deletion is arranged in the server, with the registration voice terminal information synchronization of described new interpolation or deletion to described standby server to upgrade the information of voice terminal on the described standby server.
5, method as claimed in claim 4, it is characterized in that, the voice terminal information of described registration is carried to the Option request message body that described standby server sends with server by described master, or carries to the 200 OK message bodies that described standby server returns with server by described master.
6, a kind of SIP Accreditation System of server proactive notification user switching comprises in voice terminal, the main system with server and standby server, it is characterized in that,
Described standby server is used to know when described master uses server unavailable, according to from the described main voice terminal information of using the registration of server sync, sends a notification message to described voice terminal;
Described voice terminal, be used to receive described notification message after, determine whether to re-register according to the sign-on ID that carries in the described notification message, re-register if desired, then initiate registration to standby server again; If do not need to re-register, the destination address that then directly will send message switches to the standby server address from main with server address.
7, a kind of server is applied to comprise in the main preparation system of voice terminal, at least two servers, it is characterized in that, described server comprises during for standby server:
Synchronization module is used for the information with the voice terminal of server sync registration from corresponding master with it;
Detection module is used for sending the Option request message to main with server, if do not receive 200 OK in Preset Time, then determines described main unavailable with server; Or receive the unavailable notice that described master sends by the Option request message with server, then determine described main unavailable with server;
Notification module, be connected with described detection module, be used for described detection module and know when described master uses server unavailable, according to the voice terminal information of using the registration of server sync from described master, send a notification message to described voice terminal, make described voice terminal switch to book server.
8, server as claimed in claim 7, it is characterized in that, described synchronization module, specifically be used for this locking phase for last subsynchronous, main when the registration voice terminal information of new interpolation or deletion is arranged in the server, with the registration voice terminal information synchronization of described new interpolation or deletion to the information of book server with voice terminal on the renewal book server.
9, a kind of server is applied to comprise in the main preparation system of voice terminal, at least two servers, it is characterized in that, described server is to comprise when leading with server:
Synchronization module is used for to the information of the voice terminal of registration synchronously of corresponding standby server with it;
The state information indicating module, but be used for the book server time spent, receive the Option request message that described standby server sends, return 200 OK to described standby server, or send unavailable notice by the Option request message to described standby server.
10, a kind of voice terminal is characterized in that, is applied to comprise in the main system with server and standby server, it is characterized in that described voice terminal comprises:
Receiver module is used to receive the notification message that standby server sends;
Processing module is connected with described receiver module, is used for determining whether to re-register according to the sign-on ID that described notification message carries, and re-registers if desired, then initiates registration to standby server again; If do not need to re-register, then, the destination address that directly will send message switches to the standby server address from main with server address.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910204846A CN101674313A (en) | 2009-10-15 | 2009-10-15 | SIP registration method for server to actively inform user switching, system and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910204846A CN101674313A (en) | 2009-10-15 | 2009-10-15 | SIP registration method for server to actively inform user switching, system and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101674313A true CN101674313A (en) | 2010-03-17 |
Family
ID=42021300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910204846A Pending CN101674313A (en) | 2009-10-15 | 2009-10-15 | SIP registration method for server to actively inform user switching, system and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101674313A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255875A (en) * | 2010-05-20 | 2011-11-23 | 华为软件技术有限公司 | Server switching method and system |
| CN102611571A (en) * | 2012-02-13 | 2012-07-25 | 华为技术有限公司 | Method and device for rapidly recovering port control protocol |
| CN102685163A (en) * | 2011-03-15 | 2012-09-19 | 中兴通讯股份有限公司 | Method and system for protecting basic session in DSN (Distributed Service Network) VoIP (Voice over Internet Protocol) service system |
| WO2012151809A1 (en) * | 2011-07-21 | 2012-11-15 | 中兴通讯股份有限公司 | Virtual terminal system and method for ensuring service continuity thereof, and main control terminal |
| CN102932319A (en) * | 2011-08-12 | 2013-02-13 | 上海贝尔股份有限公司 | Method and device for keeping calling |
| CN103685166A (en) * | 2012-09-06 | 2014-03-26 | 中兴通讯股份有限公司 | Method and device for switching between main server and standby server for session initiation protocol terminal |
| WO2014048331A1 (en) * | 2012-09-28 | 2014-04-03 | 中兴通讯股份有限公司 | Service connection processing method and system |
| CN103634490B (en) * | 2011-03-15 | 2015-09-16 | 阿尔卡特朗讯公司 | The gateway that a kind of enterprise network being provided for use SIP can be survived |
| CN108833425A (en) * | 2018-06-26 | 2018-11-16 | 九江职业技术学院 | A kind of network safety system and method based on big data |
| CN109905550A (en) * | 2019-03-01 | 2019-06-18 | 上海市共进通信技术有限公司 | The method for realizing the adaptive handoff functionality of VOIP server |
| CN112532452A (en) * | 2020-11-30 | 2021-03-19 | 厦门亿联网络技术股份有限公司 | Switching method, device and equipment of communication terminal main and standby servers and storage medium |
| CN112954264A (en) * | 2019-12-10 | 2021-06-11 | 浙江宇视科技有限公司 | Platform backup protection method and device |
| CN113114777A (en) * | 2021-04-22 | 2021-07-13 | 善理通益信息科技(深圳)有限公司 | Disaster recovery method and device for multi-node high-availability cluster |
| CN113395265A (en) * | 2021-05-28 | 2021-09-14 | 北京佳讯飞鸿电气股份有限公司 | Key business processing method, terminal and system |
| CN113746865A (en) * | 2021-09-30 | 2021-12-03 | 厦门亿联网络技术股份有限公司 | Method and device for fault transfer of VoIP terminal communication service |
-
2009
- 2009-10-15 CN CN200910204846A patent/CN101674313A/en active Pending
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255875A (en) * | 2010-05-20 | 2011-11-23 | 华为软件技术有限公司 | Server switching method and system |
| CN103634490B (en) * | 2011-03-15 | 2015-09-16 | 阿尔卡特朗讯公司 | The gateway that a kind of enterprise network being provided for use SIP can be survived |
| CN102685163A (en) * | 2011-03-15 | 2012-09-19 | 中兴通讯股份有限公司 | Method and system for protecting basic session in DSN (Distributed Service Network) VoIP (Voice over Internet Protocol) service system |
| WO2012151809A1 (en) * | 2011-07-21 | 2012-11-15 | 中兴通讯股份有限公司 | Virtual terminal system and method for ensuring service continuity thereof, and main control terminal |
| CN102892149A (en) * | 2011-07-21 | 2013-01-23 | 中兴通讯股份有限公司 | Virtual terminal system and method of ensuring business continuity by using same as well as master control terminal |
| CN102932319B (en) * | 2011-08-12 | 2016-03-16 | 上海贝尔股份有限公司 | A kind of for keeping the method and apparatus conversed |
| CN102932319A (en) * | 2011-08-12 | 2013-02-13 | 上海贝尔股份有限公司 | Method and device for keeping calling |
| WO2013120356A1 (en) * | 2012-02-13 | 2013-08-22 | 华为技术有限公司 | Fast recovery method and device for port control protocol |
| CN102611571B (en) * | 2012-02-13 | 2015-03-25 | 华为技术有限公司 | Method and device for rapidly recovering port control protocol |
| CN102611571A (en) * | 2012-02-13 | 2012-07-25 | 华为技术有限公司 | Method and device for rapidly recovering port control protocol |
| CN103685166A (en) * | 2012-09-06 | 2014-03-26 | 中兴通讯股份有限公司 | Method and device for switching between main server and standby server for session initiation protocol terminal |
| WO2014048331A1 (en) * | 2012-09-28 | 2014-04-03 | 中兴通讯股份有限公司 | Service connection processing method and system |
| CN103716784A (en) * | 2012-09-28 | 2014-04-09 | 中兴通讯股份有限公司 | Service connection processing method and system |
| US9351269B2 (en) | 2012-09-28 | 2016-05-24 | Zte Corporation | Method and system for processing service continuity |
| CN103716784B (en) * | 2012-09-28 | 2018-06-08 | 中兴通讯股份有限公司 | Business continuing processing method and system |
| CN108833425A (en) * | 2018-06-26 | 2018-11-16 | 九江职业技术学院 | A kind of network safety system and method based on big data |
| CN109905550A (en) * | 2019-03-01 | 2019-06-18 | 上海市共进通信技术有限公司 | The method for realizing the adaptive handoff functionality of VOIP server |
| CN112954264A (en) * | 2019-12-10 | 2021-06-11 | 浙江宇视科技有限公司 | Platform backup protection method and device |
| CN112532452A (en) * | 2020-11-30 | 2021-03-19 | 厦门亿联网络技术股份有限公司 | Switching method, device and equipment of communication terminal main and standby servers and storage medium |
| CN112532452B (en) * | 2020-11-30 | 2023-10-31 | 厦门亿联网络技术股份有限公司 | Method, device, equipment and storage medium for switching main server and standby server of communication terminal |
| CN113114777A (en) * | 2021-04-22 | 2021-07-13 | 善理通益信息科技(深圳)有限公司 | Disaster recovery method and device for multi-node high-availability cluster |
| CN113114777B (en) * | 2021-04-22 | 2022-07-01 | 善理通益信息科技(深圳)有限公司 | Disaster recovery method and device for multi-node high-availability cluster |
| CN113395265A (en) * | 2021-05-28 | 2021-09-14 | 北京佳讯飞鸿电气股份有限公司 | Key business processing method, terminal and system |
| CN113746865A (en) * | 2021-09-30 | 2021-12-03 | 厦门亿联网络技术股份有限公司 | Method and device for fault transfer of VoIP terminal communication service |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101674313A (en) | SIP registration method for server to actively inform user switching, system and device thereof | |
| RU2449501C2 (en) | Method, device and system for ims emergency recovery | |
| CN101989922B (en) | Method and system for recovering session initial protocol affairs | |
| CN1674580B (en) | Response information filtering method for service control mechanism of internet multimedia subsystem | |
| US8363643B2 (en) | Method for delivering device and server capabilities | |
| US7936665B2 (en) | IMS network system and data restoring method | |
| JP4470934B2 (en) | Proxy server, communication system, communication method, and program | |
| JP5169362B2 (en) | Session information replication method, call control server for executing the method, and program for the method | |
| CN100391167C (en) | Service call session control function entity backup method and system thereof | |
| US20080080515A1 (en) | Marker for communication systems consisting of multiple sip servers | |
| US20080098117A1 (en) | Method, apparatus, and computer product for setting transmission path | |
| EP2661043B1 (en) | Ip multimedia subsystem and method thereof for restoring user subscription relationship | |
| CN101170553A (en) | Method and device for realizing Internet protocol multi-media sub-system disaster tolerance | |
| US20150282242A1 (en) | Methods and apparatus for processing an ims session | |
| CN102204222A (en) | Ims restoration procedures for multiple contacts | |
| CN108141440A (en) | Sip server with multiple identifiers | |
| US8582544B2 (en) | Communication device for configuring failover communication services | |
| EP2294890B1 (en) | Methods to route a bearer via circuit switching to an internet protocol multimedia system node using session initiation protocol contact header | |
| CN101370292A (en) | Method, apparatus and system for media transfer between terminals | |
| CN101459533B (en) | System and method for improved application server disaster tolerance in next generation network | |
| US8407352B2 (en) | Method and application server for using a SIP service from a non-SIP device | |
| US20160241601A1 (en) | Technique for restoring a service in a network | |
| CN101867590B (en) | Subscription method based on session initiation protocol, and device thereof | |
| JP2010016604A (en) | Information distribution system and information distribution method | |
| US20160302055A1 (en) | Information processing 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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100317 |