CN1972510A - Implementation method to trigger SIP terminal registration, and system, SIP server and SIP terminal - Google Patents
Implementation method to trigger SIP terminal registration, and system, SIP server and SIP terminal Download PDFInfo
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- CN1972510A CN1972510A CNA2006101229827A CN200610122982A CN1972510A CN 1972510 A CN1972510 A CN 1972510A CN A2006101229827 A CNA2006101229827 A CN A2006101229827A CN 200610122982 A CN200610122982 A CN 200610122982A CN 1972510 A CN1972510 A CN 1972510A
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Abstract
This invention discloses one method to trigger SIP terminal register, which comprises the following steps: when SIP servo receives call requires from SIP terminal, judging whether the said SIP terminal is registered in the servo; if yes, then sending register require information to the terminal; the terminal receives the message and starts registered require to servo. This invention also discloses relative trigger terminal realization system, SIP servo and terminal.
Description
Technical field
The present invention relates to the communications field, relate to a kind of implementation method that triggers sip terminal registration and system, sip server, and sip terminal specifically.
Background technology
Session initiation protocol (Session Initiation Protocol, SIP) be next generation network (NextGeneration Net, NGN) important protocol in, the purpose of exploitation Session Initiation Protocol is in order to solve Internet Protocol (Internet Protocol, IP) the signaling control in, and communicate with Softswitch, the senior telephone service of crossing over internet (Internet) is provided.SIP is as the Internet engineering duty group (The InternetEngineering Task Force, IETF) part of standard process, be such as simple message transfer protocol (SMTP) (Simple Mail Transfer Protocol, SMTP) and HTTP (HyperText TransferProtocol HTTP) sets up on the basis.Session Initiation Protocol is used for setting up, change and stops calling between the user of IP based network.
The SIP network includes sip terminal (comprising software terminal and hard terminal) and sip server (comprising soft switching server and acting server).At sip terminal before sip server makes a call, sip terminal must be registered on the sip server of correspondence, have only when sip terminal after the sip server of correspondence succeeds in registration, sip server just can be accepted the calling from described sip terminal, otherwise sip server can be refused the calling from described sip terminal.Sip terminal is when the sip server of correspondence sends register requirement, carries the sign of described sip terminal and network location information etc. in the register requirement.Sip terminal is after succeeding in registration on the sip server, all preserve registration status information in sip terminal and the sip server, but when real network is runed, may exist sip terminal inconsistent with the login state of the sip server of correspondence, also be that described sip terminal is thought and oneself succeeded in registration on the sip server of correspondence, but sip server think that then described sip terminal is in unregistered state.Cause sip terminal and the inconsistent reason of sip server login state to have a lot, for example, the registration status information of having lost described sip terminal takes place when unusual at sip server; In addition, pass through SBC (Session Border Controller at sip terminal, when Session Border Controller) realizing dual-homed (Dual Homing), sip terminal is registered to one of them sip server, the machine generation dual-homing switchover and this sip server is delayed, before sip terminal is initiated next registration, sip terminal makes a call to sip server, SBC will be given to the another one sip server to this calling this moment, and sip terminal is not also registered on described another one sip server, and this moment also sip terminal can occur and the sip server login state is inconsistent.
As shown in Figure 1, in the prior art, when sip server is received a call request (INVITE), if sip server finds that the sip terminal of this call request of initiation is the user's (also being that sip terminal belongs to sip server) who to one's name serves, but the registration status information that on sip server, does not have corresponding sip terminal, then sip server will send 403 Forbidden refuse information to sip terminal, inform that its call request of sip terminal is rejected, do not call out unaccepted concrete reason but in described 403 Forbidden message, comprise, for example, when sip terminal does not belong to the service-user of described sip server (sip terminal does not belong to described sip server yet), sip server returns 403 Forbidden refuse information to sip terminal too, therefore, sip terminal can't know that its calling is rejected because unregistered or other reasons.Though sip terminal can periodically send register requirement to sip server, when reality realizes, considers the work load of sip server, the registration period of sip terminal should not be set too short, and registration period can be selected about 60 minutes generally speaking.Before sip terminal is initiated next registration, the user can't initiate successful calling, and also not know to call out unaccepted reason be because unregistered, thereby causes user service experience not good, be unfavorable for increasing customer satisfaction degree, be unfavorable for professional popularization.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of implementation method that triggers the sip terminal registration and system, sip server, and sip terminal, be used to realize when call request that sip terminal is initiated to sip server be because not registration and when being rejected on sip server of sip terminal, sip server notify immediately sip terminal its call out unaccepted formerly because unregistered, in time initiate register requirement thereby trigger sip terminal to sip server.
In order to reach the foregoing invention purpose, the present invention proposes a kind of implementation method that triggers the sip terminal registration, it is characterized in that, comprise step:
A, sip terminal send call request to sip server;
B, described sip server receive the call request of described sip terminal, judge whether described sip terminal is registered on described sip server, if the judgment is No, send the registration indication information to described sip terminal;
After C, described sip terminal receive described registration indication information, initiate register requirement to described sip server.
Wherein, described step B comprises step:
B1, described sip server receive the call request of sip terminal, judge whether described sip terminal belongs to described sip server, if the judgment is Yes, and execution in step B2;
B2, judge that described sip terminal whether in described sip server registration, if the judgment is No, sends the registration indication information to described sip terminal.
Wherein, described registration indication information is:
Carry the call rejection message of reason Reason header field; Or
Carry the call rejection message of warning Warning header field: or
The registration Indication message that comprises registration indicating status sign indicating number.
Correspondingly, the present invention proposes a kind of sip server, comprising:
The calling detection unit is used to detect received call request;
Also comprise first judging unit and indicating member, wherein:
First judging unit is used to judge that the sip terminal of initiating the detected call request in described calling detection unit whether in the book server registration, if the judgment is No, sends to described indicating member with judged result;
Indicating member is used for after the judged result that receives described first judging unit, sends the registration indication information to the sip terminal of initiating described call request.
Further, described sip server also comprises:
Second judging unit is used to judge whether the sip terminal of initiating the call request that described calling detection unit received belongs to described sip server, if judged result is for being then to indicate described first judging unit to proceed judgement.
Correspondingly, the invention allows for a kind of sip terminal, comprising:
The register requirement unit is used for sending register requirement to sip server;
Also comprise:
Information detecting unit, whether be used for detecting the message that comes from sip server comprises and is used to refer to the registration indication information of this sip terminal to the registration of described sip server, if the judgment is Yes, indicate described register requirement unit to send register requirement to described sip server.
Correspondingly, the present invention has further proposed a kind of realization system that triggers the sip terminal registration, comprising:
Sip server is used to detect received call request, when the sip terminal of initiating described call request not when book server register, send to the sip terminal of initiating described call request and to register indication information;
Whether sip terminal is used for detecting the message that comes from described sip server and comprises and be used to refer to the registration indication information of this sip terminal to the registration of described sip server, if the judgment is Yes, sends register requirement to described sip server.
Wherein, described sip server comprises: be used to detect calling detection unit, first judging unit and the indicating member of received call request, wherein:
First judging unit is used to judge that the sip terminal of initiating the detected call request in described calling detection unit whether in the book server registration, if the judgment is No, sends to described indicating member with judged result;
Indicating member is used for after the judged result that receives described first judging unit, sends the registration indication information to the sip terminal of initiating described call request.
Further, described sip server also comprises:
Second judging unit is used to judge whether the sip terminal of initiating the call request that described calling detection unit received belongs to described sip server, if judged result is for being then to indicate described first judging unit to proceed judgement.
Wherein, described sip terminal comprises:
The register requirement unit is used for sending register requirement to sip server;
Information detecting unit, whether be used for detecting the message that comes from sip server comprises and is used to refer to the registration indication information of this sip terminal to the registration of described sip server, if the judgment is Yes, indicate described register requirement unit to send register requirement to described sip server.
Compared with prior art, the present invention has following beneficial effect:
The present invention is when detecting the call request from sip terminal when sip server, judge whether described sip terminal is registered at book server, when described sip terminal not when book server is registered, send the registration indication information to described sip terminal, described sip terminal sends register requirement to described sip server after detecting described registration indication information.By adopting method provided by the invention, system, sip terminal and sip server, the call request of initiating to sip server when sip terminal is because not registration and when being rejected on sip server of sip terminal, sip server just can notify immediately sip terminal its call out unaccepted former because unregistered, thereby trigger sip terminal and initiate register requirement to sip server in time, the login state that guarantees sip terminal and sip server is consistent, thereby guaranteed normally continuing of calling, improve user's service experience and user satisfaction, increased the promoting service competitiveness.
Description of drawings
Fig. 1 is the schematic flow sheet of unregistered sip terminal call request of prior art and sip server response;
Fig. 2 is the composition schematic diagram that sip terminal registration of the present invention triggers the realization system;
Fig. 3 is the composition schematic diagram of sip server of the present invention;
Fig. 4 is the composition schematic diagram of sip terminal of the present invention;
Fig. 5 is the schematic flow sheet of first embodiment of the present invention's implementation method of triggering sip terminal registration;
Fig. 6 is the schematic flow sheet of second embodiment of the present invention's implementation method of triggering sip terminal registration;
Fig. 7 is the schematic flow sheet of the 3rd embodiment of the present invention's implementation method of triggering sip terminal registration.
Embodiment
Core concept of the present invention is: in the SIP network, when sip server receives from the call request of sip terminal, whether whether the sip terminal of the described call request of judgement initiation belong to this sip server and register on this sip server, when judged result is that described sip terminal belongs to described sip server but when not registering on described sip server, described sip server sends the registration indication information to described sip terminal, inform described sip terminal its to call out unaccepted reason be unregistered, described sip terminal is after receiving described registration indication information, send register requirement to described sip server immediately, thereby the login state that guarantees described sip terminal and described sip server is consistent, guarantees normally continuing of calling.
Sip terminal described in the present invention on sip server, register be meant sip terminal with self sign and information notification sip server such as network site and obtain the authentication of sip server.
For making purpose of the present invention and technical scheme express clear more completely, the present invention is further described in detail again below in conjunction with drawings and Examples.
Fig. 2 is that sip terminal registration of the present invention triggers realization system composition schematic diagram in an embodiment, and as shown in the figure, sip terminal registration triggering realization system comprises among this embodiment: sip terminal 1 and sip server 2, wherein:
Whether sip terminal 1 is used for detecting the message that comes from described sip server 2 and comprises and be used to refer to the registration indication information of this sip terminal to 2 registrations of described sip server, if the judgment is Yes, sends register requirement to described sip server 2.
Below the sip server in the said system 2 is elaborated.Fig. 3 is an example structure figure of sip server 2 of the present invention, and as shown in the figure, this sip server 2 comprises: calling detection unit 21, second judging unit 22, first judging unit 23 and indicating member 24, wherein:
Indicating member 24 is used for after the judged result that receives first judging unit 23, sends the registration indication information to the sip terminal 1 of initiating described call request.
Herein, the purpose that sends described registration indication information be inform described sip terminal 1 its to call out unaccepted reason be not register at book server, described registration indication information in the specific implementation, its concrete form can be stipulated voluntarily, so long as sip terminal 1 can know that it calls out unaccepted reason is unregistered getting final product after receiving this registration indication information.For example, carry reason Reason header field in the 403 FORBIDDEN message of in Session Initiation Protocol, stipulating, and in the Reason header field, carry ITU-T cause value Q.850, cause=20, (the cause value code is 20 to text=" Absent Subscriber ", the cause value text description is promptly unregistered for being used for absence), concrete parameter format is as follows:
Reason：Q.850；cause＝20；text＝″Absent?Subscriber″
In the specific implementation, be not limited to use the Q.850 cause value of series, also can use other serial cause values; And the header field that carries in 403 FORBIDDEN message also can use other header fields, for example uses the warning Warning header field that defines among the RFC3261, and concrete parameter format is as follows:
Warning：324ssl.huawei.com″Registration?Required″
Again such as, the registration indicating status sign indicating number that we can one of redetermination be defined in Session Initiation Protocol yet represents to register indication information, is unregistered as long as consult the implication of this conditional code that increases newly of agreement in sip server 2 and sip terminal 1 both sides.For example, in the specific implementation, define this conditional code of 424 Unregistration and represent the not registration on described sip server 2 of described sip terminal 1, as long as wherein the selection of conditional code meets in Session Initiation Protocol and is not defined, as selecting 425,426 etc., wherein Unregistration is readable english note, and its implication is unregistered.
Simultaneously, also the sip terminal in the said system 1 is elaborated below.Fig. 4 is an example structure figure of sip terminal 1 of the present invention, and as shown in the figure, this sip terminal 1 comprises: information detecting unit 11 and register requirement unit 12, wherein:
Herein, if sip server 2 is to carry the Reason header field in 403 FORBIDDEN message, and in the Reason header field, carry ITU-T cause value Q.850 and represent that it is not registration on sip server 2 that sip terminal 1 is called out unaccepted reason, then information detecting unit 11 will be carried out check and analysis to the entrained cause value of Reason header field, and judge in view of the above whether call out unaccepted reason is not registration on sip server 2 of sip terminal 1.When carry in the 403 FORBIDDEN message be Warning header field or the conditional code of using expansion as 424 Unregistration to represent to call out unaccepted reason be unregistered the time, the detection principle of information detecting unit 11 be with work as when in 403 FORBIDDEN message, carrying the Reason header field similar, so do not describing in detail at this.
In addition, the present invention also provides a kind of implementation method that triggers the sip terminal registration, below by embodiment it is specifically described.Fig. 5 is the first embodiment flow chart that the present invention triggers the implementation method of sip terminal registration, may further comprise the steps:
Step s501, sip terminal sends call request to sip server.
Step s502, when sip server detects from the call request of sip terminal, whether the sip terminal of judging the described request of making a call belongs to described sip server and whether in described sip server registration, when judged result is that the sip terminal of described initiation request belongs to described sip server and during not in described sip server registration, execution in step s503.
Herein, when the sip terminal of described initiation request did not belong to described sip server, described sip server was then directly refused the call request of described sip terminal; When described sip terminal was not registered on described sip server, owing to information such as sign that does not have corresponding described sip terminal on the described sip server and network sites, described sip server can't be accepted described call request, and described calling continues.
Step s503, sip server sends the registration indication information to sip terminal.
Herein, the purpose of described registration indication information be inform sip terminal its to call out unaccepted reason be not register on described sip server, described registration indication information in the specific implementation, its concrete form can be stipulated voluntarily, so long as sip terminal can know that it calls out unaccepted reason is unregistered getting final product after receiving this registration indication information.
Step s504, sip terminal sends register requirement to sip server.
, carried information such as the sign of sip terminal and network site herein in described register requirement, its specific implementation process belongs to prior art, is not described in detail at this.
On the basis of above-mentioned first embodiment, below in conjunction with Fig. 6, second embodiment that the present invention is triggered the implementation method of sip terminal registration does and specifies.The idiographic flow of this embodiment comprises:
Step s601, sip terminal sends the INVITE call request to sip server.
Step s602, when sip server detects from the call request of sip terminal, whether the sip terminal of judging the described request of making a call belongs to described sip server and whether in described sip server registration, when judged result is that the sip terminal of described initiation request belongs to described sip server and during not in described sip server registration, execution in step s603.
Step s603, sip server send the 403 FORBIDDEN extended message carry the registration indication information, inform sip terminal its to call out unaccepted reason be unregistered.
Herein, described 403 FORBIDDEN extended message are meant the 403FORBIDDEN message of carrying the expansion header field, in the specific implementation, as carrying reason Reason header field at 403 FORBIDDEN, and in the Reason header field, carry ITU-T cause value Q.850, and cause=20, (the cause value code is 20 to text=" AbsentSubscriber ", the cause value text description is promptly unregistered for being used for absence), concrete parameter format is as follows:
Reason：Q.850；cause＝20；text＝″Absent?Subscriber″
In the specific implementation, be not limited to use the Q.850 cause value of series, also can use other serial cause values; And the header field that carries in 403 FORBIDDEN message also can use other header fields, for example uses the warning Warning header field that defines among the RFC3261, and concrete parameter format is as follows:
Warning：324ssl.huawei.com″Registration?Required″
Step s604, sip terminal send ACK to sip server and confirm response message.
Step s605, sip terminal sends the REGISTER register requirement to sip server.
, carried information such as the sign of sip terminal and network site herein in described register requirement, its specific implementation process belongs to prior art, is not described in detail at this.
Step s606, sip server send 200 OK to sip terminal and confirm response message.
In addition, below in conjunction with Fig. 7, the third embodiment of the present invention done specifying.The idiographic flow of this embodiment comprises:
Step s701, sip terminal sends the INVITE call request to sip server.
Step s702, when sip server detects from the call request of sip terminal, whether the sip terminal of judging the described request of making a call belongs to described sip server and whether in described sip server registration, when judged result is that the sip terminal of described initiation request belongs to described sip server and when not registering on described sip server, execution in step s703.
Step s703, sip server send 424 Unregistration (implication the is unregistered) extended message carry the registration indication information, inform sip terminal its to call out unaccepted reason be unregistered.
Herein, 424 Unregistration are the conditional codes that are not defined in Session Initiation Protocol, when specifically implementing, the selection of conditional code is so long as meet undefined getting final product in Session Initiation Protocol, as 425,426 or the like, wherein Unregistration is readable english note, and its implication is unregistered.
Step s704, sip terminal send ACK to sip server and confirm response message.
Step s705, sip terminal sends the REGISTER register requirement to sip server.
, carried information such as the sign of sip terminal and network site herein in described register requirement, its specific implementation process belongs to prior art, is not described in detail at this.
Step s706, sip server send 200 OK to sip terminal and confirm response message.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of implementation method that triggers the sip terminal registration is characterized in that, comprises step:
A, sip terminal send call request to sip server;
B, described sip server receive the call request of described sip terminal, judge whether described sip terminal is registered on described sip server, if the judgment is No, send the registration indication information to described sip terminal;
After C, described sip terminal receive described registration indication information, initiate register requirement to described sip server.
2, the method for claim 1 is characterized in that, described step B comprises step:
B1, described sip server receive the call request of sip terminal, judge whether described sip terminal belongs to described sip server, if the judgment is Yes, and execution in step B2;
B2, judge that described sip terminal whether in described sip server registration, if the judgment is No, sends the registration indication information to described sip terminal.
3, method as claimed in claim 1 or 2 is characterized in that, described registration indication information is:
Carry the call rejection message of reason Reason header field; Or
Carry the call rejection message of warning Warning header field: or
The registration Indication message that comprises registration indicating status sign indicating number.
4, a kind of sip server comprises:
The calling detection unit is used to detect received call request;
It is characterized in that, also comprise first judging unit and indicating member, wherein:
First judging unit is used to judge that the sip terminal of initiating the detected call request in described calling detection unit whether in the book server registration, if the judgment is No, sends to described indicating member with judged result;
Indicating member is used for after the judged result that receives described first judging unit, sends the registration indication information to the sip terminal of initiating described call request.
5, sip server as claimed in claim 4 is characterized in that, described sip server also comprises:
Second judging unit is used to judge whether the sip terminal of initiating the call request that described calling detection unit received belongs to described sip server, if judged result is for being then to indicate described first judging unit to proceed judgement.
6, a kind of sip terminal comprises:
The register requirement unit is used for sending register requirement to sip server;
It is characterized in that, also comprise:
Information detecting unit, whether be used for detecting the message that comes from sip server comprises and is used to refer to the registration indication information of this sip terminal to the registration of described sip server, if the judgment is Yes, indicate described register requirement unit to send register requirement to described sip server.
7, a kind of realization system that triggers the sip terminal registration is characterized in that, comprising:
Sip server is used to detect received call request, when the sip terminal of initiating described call request not when book server register, send to the sip terminal of initiating described call request and to register indication information;
Whether sip terminal is used for detecting the message that comes from described sip server and comprises and be used to refer to the registration indication information of this sip terminal to the registration of described sip server, if the judgment is Yes, sends register requirement to described sip server.
8, sip terminal registration as claimed in claim 7 triggers the realization system, it is characterized in that described sip server comprises: be used to detect calling detection unit, first judging unit and the indicating member of received call request, wherein:
First judging unit is used to judge that the sip terminal of initiating the detected call request in described calling detection unit whether in the book server registration, if the judgment is No, sends to described indicating member with judged result;
Indicating member is used for after the judged result that receives described first judging unit, sends the registration indication information to the sip terminal of initiating described call request.
9, sip terminal registration as claimed in claim 8 triggers the realization system, it is characterized in that described sip server also comprises:
Second judging unit is used to judge whether the sip terminal of initiating the call request that described calling detection unit received belongs to described sip server, if judged result is for being then to indicate described first judging unit to proceed judgement.
10, arbitrary described sip terminal registration triggers the realization system as claim 7 to 9, it is characterized in that described sip terminal comprises:
The register requirement unit is used for sending register requirement to sip server;
Information detecting unit, whether be used for detecting the message that comes from sip server comprises and is used to refer to the registration indication information of this sip terminal to the registration of described sip server, if the judgment is Yes, indicate described register requirement unit to send register requirement to described sip server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100582489A CN100466850C (en) | 2006-10-24 | 2006-10-24 | Implementation method to trigger SIP terminal registration, and system, SIP server and SIP terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100582489A CN100466850C (en) | 2006-10-24 | 2006-10-24 | Implementation method to trigger SIP terminal registration, and system, SIP server and SIP terminal |
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| CN1972510A true CN1972510A (en) | 2007-05-30 |
| CN100466850C CN100466850C (en) | 2009-03-04 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102271393A (en) * | 2011-07-13 | 2011-12-07 | 中国联合网络通信集团有限公司 | Intelligent card registering method, intelligent card management platform, and intelligent card |
| CN102301675A (en) * | 2009-02-06 | 2011-12-28 | 阿尔卡特朗讯公司 | A method for sharing a same user device by multi-users by using sip and a user device thereof |
| CN103401882A (en) * | 2013-08-16 | 2013-11-20 | 深圳市宏电技术股份有限公司 | VOIP gateway voice link backup method and system |
| CN107454122A (en) * | 2016-05-31 | 2017-12-08 | 华为技术有限公司 | A kind of method, apparatus for initiating calling and a kind of communication system |
| CN107466050A (en) * | 2016-06-02 | 2017-12-12 | 中国移动通信有限公司研究院 | A kind of far end radio frequency system RRS management method and device |
| CN108833411A (en) * | 2018-06-20 | 2018-11-16 | 上海市共进通信技术有限公司 | Cope with the method that VOIP registration is kidnapped |
| CN112243291A (en) * | 2019-07-16 | 2021-01-19 | 中国移动通信集团有限公司 | Communication service processing method, system, service unit, terminal and storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100475186B1 (en) * | 2002-12-02 | 2005-03-10 | 삼성전자주식회사 | Terminal registration method using Session Initiation Protocol |
| JP2005234857A (en) * | 2004-02-19 | 2005-09-02 | Nippon Telegr & Teleph Corp <Ntt> | Terminal communication function extending method, system device and terminal communication extension processing program |
| JP2006050256A (en) * | 2004-08-04 | 2006-02-16 | Ricoh Co Ltd | Communication terminal device |
| JP4348270B2 (en) * | 2004-10-05 | 2009-10-21 | パナソニック株式会社 | SIP server |
| JP2006157612A (en) * | 2004-11-30 | 2006-06-15 | Toshiba Corp | Network telephone system, and server apparatus and telephone terminal for the system |
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2006
- 2006-10-24 CN CNB2006100582489A patent/CN100466850C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301675A (en) * | 2009-02-06 | 2011-12-28 | 阿尔卡特朗讯公司 | A method for sharing a same user device by multi-users by using sip and a user device thereof |
| CN102271393A (en) * | 2011-07-13 | 2011-12-07 | 中国联合网络通信集团有限公司 | Intelligent card registering method, intelligent card management platform, and intelligent card |
| CN102271393B (en) * | 2011-07-13 | 2014-01-01 | 中国联合网络通信集团有限公司 | Intelligent card registering method, intelligent card management platform, and intelligent card |
| CN103401882A (en) * | 2013-08-16 | 2013-11-20 | 深圳市宏电技术股份有限公司 | VOIP gateway voice link backup method and system |
| CN103401882B (en) * | 2013-08-16 | 2016-12-28 | 深圳市宏电技术股份有限公司 | VoIP gateway voice link backup method and system |
| CN107454122A (en) * | 2016-05-31 | 2017-12-08 | 华为技术有限公司 | A kind of method, apparatus for initiating calling and a kind of communication system |
| CN107466050A (en) * | 2016-06-02 | 2017-12-12 | 中国移动通信有限公司研究院 | A kind of far end radio frequency system RRS management method and device |
| CN107466050B (en) * | 2016-06-02 | 2020-11-06 | 中国移动通信有限公司研究院 | Management method and device for RRS (remote radio system) |
| CN108833411A (en) * | 2018-06-20 | 2018-11-16 | 上海市共进通信技术有限公司 | Cope with the method that VOIP registration is kidnapped |
| CN112243291A (en) * | 2019-07-16 | 2021-01-19 | 中国移动通信集团有限公司 | Communication service processing method, system, service unit, terminal and storage medium |
| CN112243291B (en) * | 2019-07-16 | 2024-02-23 | 中国移动通信集团有限公司 | Communication service processing method, system, service unit, terminal and storage medium |
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| CN100466850C (en) | 2009-03-04 |
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