CN101272425A - Method, system and device for preventing repeatedly triggering service - Google Patents
Method, system and device for preventing repeatedly triggering service Download PDFInfo
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- CN101272425A CN101272425A CNA2008101023611A CN200810102361A CN101272425A CN 101272425 A CN101272425 A CN 101272425A CN A2008101023611 A CNA2008101023611 A CN A2008101023611A CN 200810102361 A CN200810102361 A CN 200810102361A CN 101272425 A CN101272425 A CN 101272425A
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Abstract
The invention discloses a method for preventing a service from being triggered repeatedly, which includes the steps that: an application server (APP) determines whether a service needs to change a called number according to an initial calling invite message from soft switch (SS) device; when the APP determines that changing called number is necessary for the service, a change bit zone of the called number is set and an initial calling invite message carrying the change bit zone of the called number is sent to the SS device. The invention also provides a system and a device for preventing a service from being triggered repeatedly, which can effectively prevent a service from being triggered repeatedly; the change bit zone of the called number of the invention is set in a service code (SC) segment of an invite message-header field and a session initiation protocol does not need to expand, thus simplifying realization of operation and reducing cost of realization.
Description
Technical field
The present invention relates to professional triggering technique, relate in particular to a kind of method, system and equipment that prevents professional repeated trigger.
Background technology
Soft switch (SS, Soft Switch) equipment is being brought into play the core control action as the core control equipment of next generation network (NGN, Next GenerationNetwork) in the process of intelligentized pstn.Under architecture of soft exchanging system, introduce Smart Home Location Register (SHLR, Smart Home LocationRegister), can realize the centralized management of fixed network user's data, the convenient professional flexible triggering and the control of service logic relation.
The networking structure of existing soft exchanging system as shown in Figure 1, end office (EO) (LS, Local Switch) is by Tandem Gateway (TG, Trunk Gateway) and SGW (SG, Signaling Gateway) access IP network, tandem is to SS equipment; SHLR is used to store the information such as IN service that Subscriber Number and user contract; Application server (APP, Application Server) is for the user provides IN service, as one number service, Ring Back Tone service etc.SS equipment is by ISUP (ISUP, Integrated ServiceDigital Network User Part) agreement or expansion MAP (MAP, Mobile ApplicationPart) agreement and SHLR are mutual, inquiry calling and called number information and IN service information, again by SIP (SIP, Session Initiation Protocol) mutual with APP, trigger APP and realize corresponding IN service.
One number service is meant that the user provides unique number to external world, this number can be a virtual-number, it also can be common Local Number, the user can bind numbers such as landline telephone, mobile phone, Personal Handyphone System by the one number service platform, and by the different routes of different situations are set, with the destination Mobile Station International ISDN Number of calling Call Forwarding to user's appointment.Like this, as long as an external number, friend's this number of making a telephone call to, business platform can carry out ring to various communication terminals according to a calling sequence of user's Set For Current.For example: call out earlier office's landline telephone, if ring unanswered then continue calling handset, till would connecting.Certainly, bound a plurality of numbers can be set to ring simultaneously, also can be set to ring successively.
With the one number service is example, suppose the not signatory any IN service of calling number, the one number service and called number A has contracted, and the parallel operation number with number A binding in the one number service is number B, the also not signatory any IN service of number B, then realize the flow process of one number service in the prior art, as shown in Figure 2, mainly may further comprise the steps:
Step 201, caller makes a call by LS1, sends initial address message (IAM, Initial Address Message) by LS1 to SS equipment, carries the routing number and the called number A of calling number in the IAM message of transmission.
Wherein, routing number is that operator is used to the calling Route Distinguisher of realizing that successful call is set, and routing number is open to the user, is sightless to the user therefore.
After step 202, SS equipment receive IAM message from LS1, send route messages (SRI, Send Routing Information), carry the routing number and the called number A of caller in the SRI message of transmission to SHLR.
Step 203, SHLR inquires about the corresponding calling number of routing number with caller in self database, according to the not signatory one number service of calling number inquiring calling, and inquire about this called number A one number service of having contracted according to called number A, then the one number service access code that inquires and calling number are carried at SRI and confirm to send to SS equipment in (SRIAck) message.
Step 204, called one number service access code that SS equipment will obtain and called number A and calling number are carried in initial call request (invite) message and send to APP.
Step 205, APP is by the number binding relation in the inquiry its data storehouse, and the parallel operation number that obtains being bound with called number A is number B.
Step 206, APP realizes called one number service, sends invite message to SS equipment, carries called number A and called one number service access code in the invite message of transmission.
Step 207, SS equipment sends SRI message to SHLR, carries calling number, called one number service access code and called number A in the SRI message of transmission.
Step 208, SHLR obtains the routing number of corresponding called number A according to called one number service access code and called number A, and the routing number of called number A is carried at sends to SS equipment in the SRIAck message.
The continue routing number of called number A of step 209, SS equipment sends the IAM message of the routing number that carries calling number and called number A to called pairing LS2, thereby realizes the calling to called number A.
Step 210, APP realizes called one number service, sends invite message to SS equipment, carries the called number B that inquires in called number A, the step 205 and called one number service access code in the invite message of transmission.
Step 211, SS equipment is with called number B, and A compares with called number, determines that change has taken place called number; Then send SRI message, carry called number B in the SRI message of transmission and be 0 calling number to SHLR.
SS equipment determines that change has taken place called number, become number B, then need to inquire about by the SHLR signatory IN service information of B of checking numbers, and the IN service of calling number has been realized finishing at this moment, need not SHLR inquires about the signatory IN service information of calling number again, therefore, in order to prevent repeated trigger of intelligent services to calling number, the calling number that needs to send in the SRI message of SHLR is made as sky, represent the not IN service information of inquiring calling number with this, only inquire about the signatory IN service information of called number B.
Step 212, SHLR is 0 to determine need not the IN service of inquiring calling number according to calling number, and, determine the signatory IN service of called number B according to called number B inquiry its data storehouse, the routing number of called number B is carried at sends to SS equipment in the SRIAck message then.
The continue routing number of called number B of step 213, SS equipment sends the IAM message of the routing number that carries calling number and called number B to called pairing LS2, thereby realizes the calling to called number B.
It is pointed out that above-mentioned steps 206 and step 210 do not have fixing sequencing, can carry out simultaneously, also can carry out successively.
In addition, by above-mentioned steps 211 as can be known,, judge that whether called number changes is crucial in order to prevent the repeated trigger of IN service.And judge in the prior art shown in Figure 2 that the method whether called number changes is: by SS equipment when APP sends invite message, in the header field of invite message, increase a field newly, this field is used to carry current called number information, is number A; APP handles the invite message from SS equipment, and by the field that the invite message transparent transmission that returns to SS equipment increases newly, carries called number A in this field and inquire called number B; SS device parses new field compares called number B and the called number A that obtains, thereby determines that change has taken place called number.
In sum, the method that prevents professional repeated trigger of the prior art, when judging whether called number changes, need to expand Session Initiation Protocol to increase corresponding field, therefore, need APP to revise existing procedure, also need SS apparatus modifications existing procedure to resolve new field with the transparent transmission new field, thereby make and realize complicated operation, and realize that cost is higher.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method, system and equipment that prevents professional repeated trigger, realizes complicated operation to solve the method that prevents professional repeated trigger in the prior art, realizes the cost problem of higher.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of method that prevents professional repeated trigger, comprising:
According to initial call request message, determine whether business needs to change called number from Softswitch;
When determining that described service needed changes called number, called number is set changes flag bit, and will carry the initial call request message that called number changes flag bit and send to described Softswitch.
Whether described definite business needs to change called number:
Resolve described initial call request message, obtain the signatory IN service access code of calling number, called number and called number from Softswitch;
According to the signatory corresponding IN service of IN service access code inquiry of described called number, obtain the called number of described IN service;
With the called number of described IN service with compare from the called number in the initial call request message of described Softswitch, if both are identical, determine that then described IN service does not need to change called number; Otherwise, determine that described IN service need change called number.
The described initial call request message that will carry called number change flag bit sends to Softswitch and is:
In service code (SC, the Server Code) field of described initial call request message header field, described called number is changed flag bit set;
The initial call request message that carries described called number change flag bit and IN service called number is sent to Softswitch.
The described initial call request message that will carry called number change flag bit sends to after the Softswitch, and this method also comprises:
Described Softswitch is resolved the initial call request message from application server, determine that called number in the described initial call request message changes whether set of flag bit, and when determining that described called number changes flag bit set, send to SHLR for empty SRI with carrying calling number.
The present invention also provides a kind of system that prevents professional repeated trigger, comprising: interconnective application server and Softswitch; Wherein,
Described application server, be used for according to initial call request message from described Softswitch, whether definite business needs to change called number, and when determining that described service needed changes called number, the initial call request message that carries called number change flag bit is sent to described Softswitch;
Described Softswitch, be used for the initial call request message from described application server is resolved, determine that called number in the described initial call request message changes whether set of flag bit, and when determining that described called number changes flag bit set, send to SHLR for empty SRI message with carrying calling number.
Described application server comprises: interconnective number changes demand determination module and initial call request message sending module; Wherein,
Described number changes the demand determination module, is used for determining according to the initial call request message from described Softswitch whether business needs to change called number;
Described initial call request message sending module is used for when determining that described service needed changes called number, and the initial call request message that carries called number change flag bit is sent to described Softswitch.
Described Softswitch comprises: interconnective message resolution module and SRI message transmission module; Wherein,
Described message resolution module is used for the initial call request message from described application server is resolved, and determines that called number in the described initial call request message changes whether set of flag bit;
Described SRI message transmission module is used for when determining that described called number changes flag bit set, sends to SHLR with carrying calling number for empty SRI message.
The present invention also provides a kind of application server, comprising: interconnective number changes demand determination module and initial call request message sending module; Wherein,
Described number changes the demand determination module, is used for determining according to the initial call request message from Softswitch whether business needs to change called number;
Described initial call request message sending module is used for when determining that described service needed changes called number, and the initial call request message that carries called number change flag bit is sent to described Softswitch.
Described number changes the demand determination module and comprises: message parse submodule, IN service called number obtain submodule and comparison sub-module; Wherein,
Described message parse submodule is used to resolve the initial call request message from described Softswitch, obtains the signatory IN service access code of calling number, called number and called number;
Described IN service called number obtains submodule, is used for obtaining the called number of described IN service according to the signatory corresponding IN service of IN service access code inquiry of described called number;
Described comparison sub-module is used for the called number of described IN service and called number from the initial call request message of described Softswitch are compared, and determines according to both are whether identical whether needs change called number to described IN service.
The present invention also provides a kind of Softswitch, comprising: interconnective message resolution module and SRI message transmission module; Wherein,
Described message resolution module is used for the initial call request message from application server is resolved, and determines that called number in the described initial call request message changes whether set of flag bit;
Described SRI message transmission module is used for when determining that described called number changes flag bit set, sends to SHLR with carrying calling number for empty SRI message.
A kind of method, system and equipment that prevents professional repeated trigger provided by the present invention, whether needs change called number according to the IN service of determining correspondence from the invite message of SS equipment by APP, and when needs change called number, the invite message of carrying called number change flag bit is sent to SS equipment, make SS equipment can called number change flag bit and be set to empty calling number and send to SHLR, thereby avoided professional repeated trigger; Called number among the present invention changes flag bit and is arranged in the SC field of invite message header field, need not to expand Session Initiation Protocol, has simplified and has realized operation, has reduced the realization cost.
Description of drawings
Fig. 1 is existing soft exchanging system networking structure schematic diagram;
Fig. 2 is a flow chart of realizing one number service in the prior art;
Fig. 3 is the flow chart that prevents the method for professional repeated trigger in the realization of APP side of the present invention;
Fig. 4 is the flow chart that prevents the method for professional repeated trigger in the realization of SS equipment side of the present invention;
Fig. 5 is the flow chart that the soft switch in the embodiment of the invention realizes one number service;
Fig. 6 prevents that for the present invention is a kind of the system of professional repeated trigger from forming structural representation.
Embodiment
The technical solution of the present invention is further elaborated below in conjunction with the drawings and specific embodiments.
The method that prevents professional repeated trigger provided by the present invention, whether needs change called number according to the IN service of determining correspondence from the invite message of SS equipment by APP, and when needs change called number, the invite message of carrying called number change flag bit is sent to SS equipment, make SS equipment can called number change flag bit and be set to empty calling number and send to SHLR, thereby avoided professional repeated trigger.
As shown in Figure 3, Fig. 3 prevents that for the present invention the method for professional repeated trigger from the flow chart that the APP side realizes, mainly may further comprise the steps:
Step 301, APP determines according to the invite message from SS equipment whether business needs to change called number.
APP resolves the invite message from SS equipment, obtains the signatory IN service access code of calling number, called number and called number; And according to corresponding IN service in the signatory IN service access code inquiry its data storehouse of called number, to obtain the called number of IN service; Again with the called number of IN service with compare from the called number in the invite message of SS equipment, if both are identical, determine that then IN service does not need to change called number; If both are inequality, determine that then IN service need change called number.
Step 302 when APP changes called number in definite service needed, is provided with called number and changes flag bit, and will carry the invite message that called number changes flag bit and send to SS equipment.
In the SC field of invite message header field, increase a bit (bit) position, be used to store called number and change flag bit information, when APP determines that service needed changes called number, the flag bit set that called number is changed, and will carry the invite message that called number changes flag bit and IN service called number and send to SS equipment.
As shown in Figure 4, Fig. 4 prevents the flow chart that the method for professional repeated trigger realizes at the SS equipment side for the present invention, mainly may further comprise the steps:
Step 401, SS equipment is resolved the invite message from APP, changes whether set of flag bit to determine called number in the invite message.
When step 402, SS equipment change flag bit set at definite called number, send to SHLR for empty SRI message with carrying calling number.
SHLR receives SRI message, resolves to obtain calling number for empty, shows that then the business information that need not calling number inquires about, thereby has avoided the repeated trigger of intelligent services to calling number.
Be example below with the one number service, the not signatory any IN service of calling number among this embodiment, and the called number A one number service of having contracted, and be number B with the parallel operation number of number A binding in the one number service, the also signatory any IN service of number B.Above-mentioned Fig. 3 and the present invention shown in Figure 4 prevent the method for professional repeated trigger, and the one number service flow chart that is applied to realize in the one number service as shown in Figure 5, mainly may further comprise the steps:
Step 501, caller makes a call by LS1, sends IAM message by LS1 to SS equipment, carries the routing number and the called number A of calling number in the IAM message of transmission.
After step 502, SS equipment receive IAM message from LS1, send SRI message, carry the routing number and the called number A of caller in the SRI message of transmission to SHLR.
Step 503, SHLR inquires about the corresponding calling number of routing number with caller in self database, according to the not signatory one number service of calling number inquiring calling, and according to the called number A inquiry called number A one number service of having contracted, called one number service access code that will inquire then and calling number are carried at and send to SS equipment in the SRIAck message.
Step 504, called one number service access code that SS equipment will obtain and called number A and calling number are carried in the invite message and send to APP.
Step 505, APP is by the number binding relation in the inquiry its data storehouse, and the parallel operation number that obtains being bound with called number A is number B.
Step 506, APP realizes called one number service, sends invite message to SS equipment, carries called number A and called one number service access code in the invite message of transmission.
Step 507, SS equipment sends SRI message to SHLR, carries calling number, called one number service access code and called number A in the SRI message of transmission.
Step 508, SHLR obtains the routing number of corresponding called number A according to called one number service access code and called number A, and the routing number of called number A is carried at sends to SS equipment in the SRIAck message.
The continue routing number of called number A of step 509, SS equipment sends the IAM message of the routing number that carries calling number and called number A to called pairing LS2, thereby realizes the calling to called number A.
Step 510, APP compares called number A entrained in the called number B that obtains of inquiry in the step 505 and the invite message from SS equipment, and it is inequality to find both, thereby determines that one number service need change called number; Then, the called number in the SC field of invite message header field is changed flag bit set, and will carry the invite message that called number changes flag bit, one number service access code and called number B and send to SS equipment.
Step 511, the SC field of SS device parses invite message header field gets access to called number and changes flag bit, determines that change has taken place called number, and carries calling number and be set to 0; To carry called number B then and be that the SRI message of 0 calling number sends to SHLR.
Step 512, SHLR is 0 to judge the signatory one number service of caller according to calling number, and continue the called signatory any IN service of inquiry according to called number B, the routing number of called number B is carried at sends to SS equipment in the SRIAck message then.
The continue routing number of called number B of step 513, SS equipment sends the IAM message of the routing number that carries calling number and called number B to called pairing LS2, thereby realizes the calling to called number B.
In order to realize the method that prevents professional repeated trigger of the invention described above, the present invention also provides a kind of system that prevents professional repeated trigger, and as shown in Figure 6, this system comprises: interconnective application server 10 and Softswitch 20.Application server 10, be used for according to invite message from Softswitch 20, whether definite business needs to change called number, and when definite service needed changes called number, the invite message of carrying called number change flag bit is sent to Softswitch 20.Softswitch 20, be used for the invite message from application server 10 is resolved, determining that called number in the invite message changes whether set of flag bit, and when definite called number changes flag bit set, send to SHLR with carrying the SRI message of calling number for sky.
Wherein, application server 10 comprises: interconnective number changes demand determination module 11 and message transmission module 12.Number changes demand determination module 11, is used for determining according to the invite message from Softswitch 20 whether business needs to change called number.Message transmission module 12 is used for when number change demand determination module 11 determines that service needed change called number the first invite message of carrying called number change flag bit being sent to Softswitch 20.
Number changes demand determination module 11 and also comprises: message parse submodule 111, professional called number obtain submodule 112 and comparison sub-module 113.Wherein, message parse submodule 111 is used to resolve the invite message from Softswitch 200, obtains the signatory IN service access code of calling number, called number and called number.Professional called number obtains submodule 112, and connection message analyzing sub-module 111 is used for according to the signatory corresponding IN service of IN service access code inquiry of called number, to obtain the called number of IN service.Comparison sub-module 113, connect professional called number and obtain submodule 112, be used for the called number of IN service and called number from the invite message of Softswitch 20 are compared,, determine that then IN service does not need to change called number if both are identical; If both are inequality, determine that then IN service need change called number.
Wherein, Softswitch 20 comprises: interconnective message resolution module 21 and SRI message transmission module 22.Message resolution module 21 is used for the invite message from application server 11 is resolved, and changes whether set of flag bit to determine called number in the invite message.SRI message transmission module 22 is used for when definite called number changes flag bit set, sends to SHLR with carrying calling number for empty SRI message.
It is pointed out that method, system and the equipment that prevents professional repeated trigger provided by the present invention, its range of application is not merely limited to one number service, also is applicable to other IN service; And according to the service needed in the practical application, the SC field also can be used for being provided with other flag bit, and the called number that is not limited only among the present invention changes flag bit, thereby makes that professional control is more flexible.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1, a kind of method that prevents professional repeated trigger is characterized in that, comprising:
According to initial call request message, determine whether business needs to change called number from Softswitch;
When determining that described service needed changes called number, called number is set changes flag bit, and will carry the initial call request message that called number changes flag bit and send to described Softswitch.
According to the described method that prevents professional repeated trigger of claim 1, it is characterized in that 2, whether described definite business needs to change called number is:
Resolve described initial call request message, obtain the signatory IN service access code of calling number, called number and called number from Softswitch;
According to the signatory corresponding IN service of IN service access code inquiry of described called number, obtain the called number of described IN service;
With the called number of described IN service with compare from the called number in the initial call request message of described Softswitch, if both are identical, determine that then described IN service does not need to change called number; Otherwise, determine that described IN service need change called number.
According to the described method that prevents professional repeated trigger of claim 1, it is characterized in that 3, the described initial call request message that will carry called number change flag bit sends to Softswitch and is:
In the service code SC of described initial call request message header field field, described called number is changed flag bit set;
The initial call request message that carries described called number change flag bit and IN service called number is sent to Softswitch.
According to each described method that prevents professional repeated trigger of claim 1 to 3, it is characterized in that 4, the described initial call request message that will carry called number change flag bit sends to after the Softswitch, this method also comprises:
Described Softswitch is resolved the initial call request message from application server, determine that called number in the described initial call request message changes whether set of flag bit, and when determining that described called number changes flag bit set, send to Smart Home Location Register SHLR for empty transmission route messages SRI with carrying calling number.
5, a kind of system that prevents professional repeated trigger is characterized in that, comprising: interconnective application server and Softswitch; Wherein,
Described application server, be used for according to initial call request message from described Softswitch, whether definite business needs to change called number, and when determining that described service needed changes called number, the initial call request message that carries called number change flag bit is sent to described Softswitch;
Described Softswitch, be used for the initial call request message from described application server is resolved, determine that called number in the described initial call request message changes whether set of flag bit, and when determining that described called number changes flag bit set, send to SHLR for empty SRI message with carrying calling number.
6, according to the described system that prevents professional repeated trigger of claim 5, it is characterized in that described application server comprises: interconnective number changes demand determination module and initial call request message sending module; Wherein,
Described number changes the demand determination module, is used for determining according to the initial call request message from described Softswitch whether business needs to change called number;
Described initial call request message sending module is used for when determining that described service needed changes called number, and the initial call request message that carries called number change flag bit is sent to described Softswitch.
7, according to the described system that prevents professional repeated trigger of claim 5, it is characterized in that described Softswitch comprises: interconnective message resolution module and SRI message transmission module; Wherein,
Described message resolution module is used for the initial call request message from described application server is resolved, and determines that called number in the described initial call request message changes whether set of flag bit;
Described SRI message transmission module is used for when determining that described called number changes flag bit set, sends to SHLR with carrying calling number for empty SRI message.
8, a kind of application server is characterized in that, comprising: interconnective number changes demand determination module and initial call request message sending module; Wherein,
Described number changes the demand determination module, is used for determining according to the initial call request message from Softswitch whether business needs to change called number;
Described initial call request message sending module is used for when determining that described service needed changes called number, and the initial call request message that carries called number change flag bit is sent to described Softswitch.
9, described according to Claim 8 application server is characterized in that, described number changes the demand determination module and comprises: message parse submodule, IN service called number obtain submodule and comparison sub-module; Wherein,
Described message parse submodule is used to resolve the initial call request message from described Softswitch, obtains the signatory IN service access code of calling number, called number and called number;
Described IN service called number obtains submodule, is used for obtaining the called number of described IN service according to the signatory corresponding IN service of IN service access code inquiry of described called number;
Described comparison sub-module is used for the called number of described IN service and called number from the initial call request message of described Softswitch are compared, and determines according to both are whether identical whether needs change called number to described IN service.
10, a kind of Softswitch is characterized in that, comprising: interconnective message resolution module and SRI message transmission module; Wherein,
Described message resolution module is used for the initial call request message from application server is resolved, and determines that called number in the described initial call request message changes whether set of flag bit;
Described SRI message transmission module is used for when determining that described called number changes flag bit set, sends to SHLR with carrying calling number for empty SRI message.
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| CN2008101023611A CN101272425B (en) | 2008-03-20 | 2008-03-20 | Method, system and device for preventing repeatedly triggering service |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010051736A1 (en) * | 2008-11-05 | 2010-05-14 | 华为技术有限公司 | Method, system and apparatus for preventing re-triggering |
| CN104378348A (en) * | 2014-09-17 | 2015-02-25 | 酷派软件技术（深圳）有限公司 | Data link authentication method and device |
| CN114926935A (en) * | 2022-05-07 | 2022-08-19 | 中国银行股份有限公司 | Negotiation signing queuing number-taking method and device and computer equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001197557A (en) * | 2000-01-07 | 2001-07-19 | Sharp Corp | Wireless communication system |
| CN100414946C (en) * | 2003-11-03 | 2008-08-27 | 华为技术有限公司 | Method for sychronous ringing |
| CN1735268A (en) * | 2004-08-11 | 2006-02-15 | 华为技术有限公司 | Method for realizing mixed telephone number and communications network system |
| CN1917533B (en) * | 2006-09-06 | 2010-04-21 | 华为技术有限公司 | Method and system for realizing services of many phone numbers by one phone number |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010051736A1 (en) * | 2008-11-05 | 2010-05-14 | 华为技术有限公司 | Method, system and apparatus for preventing re-triggering |
| CN101388843B (en) * | 2008-11-05 | 2013-08-14 | 华为技术有限公司 | Method, system and device for retriggering prevention |
| CN104378348A (en) * | 2014-09-17 | 2015-02-25 | 酷派软件技术（深圳）有限公司 | Data link authentication method and device |
| CN114926935A (en) * | 2022-05-07 | 2022-08-19 | 中国银行股份有限公司 | Negotiation signing queuing number-taking method and device and computer equipment |
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| CN101272425B (en) | 2012-05-23 |
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