CN101237635B - Method and system for mobile terminal to share common number in packet and circuit switching network - Google Patents
Method and system for mobile terminal to share common number in packet and circuit switching network Download PDFInfo
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- CN101237635B CN101237635B CN2007100030064A CN200710003006A CN101237635B CN 101237635 B CN101237635 B CN 101237635B CN 2007100030064 A CN2007100030064 A CN 2007100030064A CN 200710003006 A CN200710003006 A CN 200710003006A CN 101237635 B CN101237635 B CN 101237635B
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Abstract
The invention discloses a method and a system used for sharing a call number in a packet switching network and a circuit switching network by a mobile user terminal, wherein, a switching service is established through a packet switching network, and a circuit service is established through a circuit switching network. The invention is characterized in that: under the condition of sending the call establishment information of the mobile user terminal to the packet switching network by a calling terminal, the type of the call to be established is identified in the packet switching network, if the identified type is a packet service type, the connection is made through the packet switching network; or the connection is made through the circuit switching network.
Description
Technical field
The present invention relates to telecommunication technology; Specifically; Relate to a kind of be used for by mobile subscriber terminal packet switching network and in circuit-switched network the method and system of shared call number; And more particularly, relate to a kind of technical scheme of utilizing sip application server to realize IMS user and the shared Mobile Subscriber International ISDN Number of mobile subscriber.
Background technology
In IMS (IP Multimedia System) and mobile network, the user utilizes bimodulus (support circuit-switched and the packet switching) terminal of oneself to initiate and accept audio call and to use short message service through the mobile network; Use POC (Push to talk over Cellular), Presence, IM multimedia services such as (instant messagings) at the IMS network.Generally, the user need utilize different Subscriber Number (MSISDN) to be registered to IMS respectively and the mobile network uses multimedia service and speech business, so network is also opaque to the user, and user experience is very bad.To operator, the corresponding a plurality of numbers of user also are unfavorable for realizing unified charging, unified door, reach unified customer relation management simultaneously.
Therefore operator and user hope to adopt identical Subscriber Number at IMS network and mobile network; But because IMS network and mobile network's otherness, when the jack per line user need accept a audio call from the IMS network, network was difficult to judge this user and utilizes identical Subscriber Number (MSISDN) to be registered to IMS and mobile network simultaneously; Therefore can not correctly forward the message to the mobile network; Cause message routing failure in network, perhaps adopted inappropriate route, for example; Cause in the IMS network, setting up language and call out, thereby brought not satisfactory experience to the user.
For example; When the mobile IMS user of fixing IMS user couple and the shared Mobile Subscriber International ISDN Number of mobile subscriber calls out; According to the professional ability of portable terminal, should audio call be routed to walking circuit exchange (CS) network, and multimedia calls such as the POC that in the IMS network, continues.But at present, the S-CSCF (service call conversation control function) in the IMS network of prior art can not confirm route according to type of service, and it can all be routed to the IMS network with audio call and multimedia call.Yet this moment, called subscriber's professional ability of support voice not in the IMS network, therefore, this will cause call failure.
Therefore, need a kind of new technical scheme to solve above-mentioned the problems of the prior art.
Summary of the invention
In order to address the above problem; The present invention has designed a kind of based on the IMS user of sip application server and the scheme of the shared Mobile Subscriber International ISDN Number of mobile subscriber; Can utilize identical Subscriber Number to be registered to mobile network and IMS network simultaneously through dual-mode terminal through this scheme user, the user initiates and accepts audio call the mobile network, uses short message service; Use multimedia services such as POC, Presence, IM at the IMS network, the user can also use the mobile network to cooperate the CSI service that provides with the IMS network simultaneously, like Video Sharing business etc.
According to an aspect of the present invention; Provide a kind of be used for by mobile subscriber terminal packet switching network and in circuit-switched network the method for shared call number, wherein, set up Packet Service through packet switching network; And set up Circuit Service through circuit-switched network; It is characterized in that, at calling terminal sending under the situation of packet switching network for the call setup message of said mobile subscriber terminal, packet switching network identification the type of the calling that will set up; If the type of being discerned is the Packet Service type, then connect through packet switching network; Otherwise, connect through circuit-switched network.
For example, said packet switching network is the IMS network.In one embodiment; Through initial filter criteria iFC discern the type of the calling that will set up; Wherein, Said processing filtering rule comprises the information about the shared call number of said mobile subscriber terminal, and when said mobile subscriber terminal is registered on the network, its initial filter criteria is downloaded on its service call conversation control function S-CSCF.
In another embodiment of the present invention; When identifying said calling and be circuit calling; Packet switching network is revised as the domain name of corresponding circuit-switched network with the domain name of called number in the call setup message, and said call setup message is sent to circuit-switched network.Perhaps, when identifying said calling and be circuit calling, packet switching network adds the single number service access code in the called number of call setup message, and said call setup message is sent to circuit-switched network.In addition, can said call setup message be sent to circuit-switched network through Breakout Gateway Control Function BGCF.Breakout Gateway Control Function is removed the domain name or the single number service access code of said circuit-switched network from said called number, to obtain the called number of said mobile subscriber terminal.
Originally also comprise clearly and be used to realize system for carrying out said process.
Through using method of the present invention, can so that network for user transparent, thereby make the user that good experience is arranged.In addition, through using the present invention, make operator can realize unified charging, unified door and unified customer relation management more expediently.
Description of drawings
With reference to accompanying drawing, according to following detailed, can be expressly understood the present invention more, wherein:
Fig. 1 is the sketch map of method and system configuration according to an aspect of the present invention;
Fig. 2 is the sketch map of method and system configuration according to another aspect of the present invention;
Fig. 3 is the sketch map of method and system configuration according to a further aspect of the invention;
Fig. 4 is the sketch map of method and system configuration according to an embodiment of the invention; And
Fig. 5 is the sketch map of method and system configuration according to another embodiment of the invention.
Concrete true mode
For the sake of simplicity with clear for the purpose of, the unit in the accompanying drawing needn't proportionally be drawn, and in different accompanying drawings, same reference numbers is represented identical unit.In addition, concisely and not can aspect unnecessary, make the present invention fuzzy for what describe, and omit description and details about known steps and unit.
Those of ordinary skill in the art should be understood that general description and the following detailed of front give an example to invention and explain, rather than in order to limit the invention.
Through example the technical scheme that one's duty is bright is described below.Wherein, be that example is represented packet switching network with the IMS network, and, voice signal for example in circuit switching (CS) network.
In an embodiment clearly demarcated according to this, based on sip application server, the shared Mobile Subscriber International ISDN Number of IMS user and mobile subscriber, wherein, sip application server is present in the IMS network.
When IMS user and the shared Mobile Subscriber International ISDN Number of mobile subscriber, can be divided into following several kinds of situation.
1) as shown in Figure 1, the mobile subscriber terminal of shared number can be initiated circuit-switched service or packet switching service to various network according to the type of business.Said terminal itself can be according to the type of service initiation request, and for example professional for audio call and SMS, said terminal will be initiated professional through moving the CS network; When initiating multimedia service such as POC, Presence as the user, the terminal will be initiated professional through packet-switched domain (IMS territory) at the IMS network.
2) as shown in Figure 2; When the mobile subscriber terminal of shared number during as terminal called; Initiate audio call by other mobile subscribers or PSTN user; Network based E.164 number (Mobile Subscriber International ISDN Number) routes the call to the home network-mobile CS network of this number, moves the mobile subscriber terminal that the CS network will be addressed to said shared number according to Mobile Subscriber International ISDN Number, calls out thereby set up.
3) as shown in Figure 3; When passing through the multimedia calls such as Mobile Subscriber International ISDN Number initiation POC of other portable terminals; Said other portable terminals will be initiated multimedia service at the IMS network; The CSCF of IMS network converts user's E.164 number (Mobile Subscriber International ISDN Number) to SIP URI through inquiry ENUM dns server, and then is addressed to the called subscriber.
4) when the mobile IMS user of fixing IMS user couple and the shared Mobile Subscriber International ISDN Number of mobile subscriber calls out; Professional ability according to portable terminal; Should audio call be routed to walking circuit exchange (CS) network, and multimedia calls such as the POC that in the IMS network, continues.But at present, the S-CSCF in the IMS network of prior art can not confirm route according to type of service, and it can all be routed to the IMS network with audio call and multimedia call.Yet this moment, called subscriber's professional ability of support voice not in the IMS network, therefore, this will cause call failure.To this situation, the present invention can adopt following two kinds of methods to solve.
Scheme one: domain name mapping mode
To first kind of scheme be described with reference to Fig. 4 below.
In first step, caller IMS user initiates audio call through called subscriber's E.164 number (MSISDN) to the called subscriber, wherein, and the contracted single number service of IMS network and the shared Mobile Subscriber International ISDN Number of mobile CS network of called subscriber.In called subscriber's CAMEL-Subscription-Information, indicate this user single number service of having contracted, said CAMEL-Subscription-Information is stored among the HSS (home subscriber server).On HSS, disposed simultaneously the iFC (initial filter criteria) of single number service; Wherein, Through iFC, can recognizing voice call out (Circuit Service) and multimedia service (Packet Service), and routing policy correspondingly is set; So that audio call is established in the CS territory, and multimedia service is established in the IMD territory.When the called subscriber registered, iFC was downloaded on its S-CSCF.
In second step, the S-CSCF of calling subscriber's ownership obtains the corresponding SIP URL with the called subscriber through inquiry ENUM dns server, and at this moment, the network supposition thinks that the called subscriber is IMS user.
At third step, the S-CSCF of calling subscriber's ownership routes the call to the S-CSCF of called subscriber's ownership according to called subscriber's SIP URL.
In the 4th step, according to called subscriber's iFC, the S-CSCF of called subscriber's ownership routes the call on the application server (AS) of shared code service.Then, trigger the iFC single number service, and judge that calling out is should in the CS territory, to set up or should in the IMS territory, set up.For example, the single number service trigger condition in the iFC is set to (Method=" INVITE ") AND (Line=" m " Content=" .*audio.* ").
If, judge and should in the IMS territory, connect, then according to process well known in the prior art, in the IMS territory, connect.Otherwise, should in the CS territory, set up calling if judge, then shared number application server carries out the called number conversion to calling.For example, called number originally is " 12345678bj.ctcims.cn ", and wherein " bj.ctcims.cn " shows to call out and formerly in the IMS territory, transmitted before this; Through behind the FH-number transform, said called number can be transformed into " 12345678bj.umts.cn ", and wherein, " bj.umts.cn " shows that calling will set up in the CS territory.Then, the shared number application server message route that will comprise above-mentioned information is returned the S-CSCF of called subscriber's ownership.
In the 5th step; The S-CSCF of called subscriber's ownership obtains the address of BGCF (Breakout Gateway Control Function) through inquiry DNS; Said BGCF address is IP address corresponding with the CS territory in the IMS territory; Wherein, in DNS, disposed the address of BGCF corresponding with CS territory (bj.umts.cn territory) in the IMS territory.
In the 6th step, the S-CSCF of called subscriber's ownership routes the call to determined BGCF.
In the 7th step, said BGCF removes the domain name (" bj.umts.cn ") among the called subscriber SIP URL, thereby obtains called subscriber's E.164 number.Then, said BGCF routes the call to MGCF (MGCF), and then is routed to mobile CS network, thereby is addressed to the called subscriber.
Scheme two: coding mode is gone in preceding grafting
To second kind of scheme be described with reference to Fig. 5 below.
In first step, caller IMS user initiates audio call through called subscriber's E.164 number (MSISDN) to the called subscriber, wherein, and the contracted single number service of IMS network and the shared Mobile Subscriber International ISDN Number of mobile CS network of called subscriber.In called subscriber's CAMEL-Subscription-Information, indicate this user single number service of having contracted, said CAMEL-Subscription-Information is stored among the HSS (home subscriber server).On HSS, disposed simultaneously the iFC (initial filter criteria) of single number service; Wherein, Through iFC, can recognizing voice call out (Circuit Service) and multimedia service (Packet Service), and routing policy correspondingly is set; So that audio call is established in the CS territory, and multimedia service is established in the IMD territory.When the called subscriber registered, iFC was downloaded on its S-CSCF.
In second step, the S-CSCF of calling subscriber's ownership obtains the corresponding SIP URL with the called subscriber through inquiry ENUM dns server, and at this moment, the network supposition thinks that the called subscriber is IMS user.
At third step, the S-CSCF of calling subscriber's ownership routes the call to the S-CSCF of called subscriber's ownership according to called subscriber's SIP URL.
In the 4th step, according to called subscriber's iFC, the S-CSCF of called subscriber's ownership routes the call on the application server (AS) of shared code service.Then, trigger the iFC single number service, and judge that calling out is should in the CS territory, to set up or should in the IMS territory, set up.For example, the single number service trigger condition in the iFC is set to (Method=" INVITE ") AND (Line=" m " Content=" .*audio.* ").
If, judge and should in the IMS territory, connect, then according to process well known in the prior art, in the IMS territory, connect.Otherwise, should in the CS territory, set up calling if judge, then shared number application server carries out the called number conversion to calling.For example, called number originally is " 12345678bj.ctcims.cn ", and wherein " bj.ctcims.cn " shows to call out and formerly in the IMS territory, transmitted before this; Through behind the FH-number transform, said called number can be transformed into the Tel URL form of " single number service access code+12345678 ".Then, the shared number application server message route that will comprise above-mentioned information is returned the S-CSCF of called subscriber's ownership.
In the 5th step, the S-CSCF of called subscriber's ownership finds that " single number service access code+12345678 " do not have corresponding SIP URL to exist after inquiring about through ENUM DNS, and then, it routes the call to BGCF.
In the 6th step, BGCF removes said access code from the called number of calling out, route the call to MGCF then.Then, MGCF routes the call to the CS territory again, thereby is addressed to the called subscriber.
More than through embodiment principle of the present invention has been described, wherein, can realize the business of IMS user and the shared Mobile Subscriber International ISDN Number of mobile subscriber according to the present invention, the mobile subscriber can be 3G CS user, or even 2G user and PHS user.In the above embodiments, be that example is represented packet-switched domain with the IMS territory, wherein, the IMS territory for example can be " bj.ctcims.cn " territory; The CS territory is for example represented with " bj.umts.cn ".In the superincumbent description, represent that with " 12345678 " called number, those of ordinary skill in the art should be known in that " 12345678 " only are examples and be not limitation of the present invention.
In specific embodiment, scheme one and scheme two all need be carried out the service logic exploitation to shared number application server, and shared number application server need be supported the ISC interface in the IMS network simultaneously, so that carry out alternately through ISC interface and IMS network element.In addition, in scheme one, need be in DNS configure application server (AS) so that after the conversion number, carry out the mapping of domain name, need BGCF can remove domain name simultaneously, and analyze the E.164 number in the user SIP URI user name to BGCF IP address.Second scheme requires the service access code before BGCF can remove Subscriber Number.
Can realize method and system of the present invention through variety of way.For example, can through software, hardware, firmware with and combination in any realize method and system of the present invention.The order of top method steps only adopts for illustrative purpose, unless clear and definite explanation, the step of the method that this is clearly demarcated is not limited to top specifically described order.In addition, in certain embodiments, the present invention can also be presented as at recording medium and attend institute's program recorded, and it comprises and is used to realize machine readable instructions according to the method for the invention.
Although specific embodiment of the present invention is described in detail above through example,, those of ordinary skill in the art should be appreciated that above-mentioned example only is illustrative and be not to be limitation of the present invention.Those of ordinary skill in the art should be understood that can make modification to the foregoing description under the situation that does not break away from the spirit and scope of the present invention.Scope of the present invention is limited appended claim.
Claims (14)
- One kind be used for by mobile subscriber terminal packet switching network and in circuit-switched network the method for shared call number; Wherein, Set up Packet Service through packet switching network, and set up Circuit Service, it is characterized in that through circuit-switched network; Send to call setup message under the situation of packet switching network at calling terminal for said mobile subscriber terminal; The S-CSCF of called subscriber's ownership routes the call on the application server of shared code service, triggers single number service through iFC, and judges that calling out is should in circuit domain, to set up or should in packet domain, set up; If in packet domain, set up, then connect through packet switching network; Otherwise, connect through circuit-switched network.
- 2. according to the process of claim 1 wherein, said packet switching network is the IMS network.
- 3. according to the method for claim 2; Wherein, Through initial filter criteria iFC discern the type of the calling that will set up, wherein, said initial filter criteria comprises the information about the shared call number of said mobile subscriber terminal; And when said mobile subscriber terminal is registered on the network, its initial filter criteria is downloaded on its service call conversation control function S-CSCF.
- 4. according to the method for claim 1; Also comprise: when identifying said calling and be circuit calling; Packet switching network is revised as the domain name of corresponding circuit-switched network with the domain name of called number in the call setup message, and said call setup message is sent to circuit-switched network.
- 5. according to the method for claim 1, also comprise: when identifying said calling and be circuit calling, packet switching network adds the single number service access code in the called number of call setup message, and said call setup message is sent to circuit-switched network.
- 6. according to the method for claim 4 or 5, wherein, said call setup message is sent to circuit-switched network through Breakout Gateway Control Function BGCF.
- 7. according to the method for claim 6, wherein, Breakout Gateway Control Function is removed the domain name or the single number service access code of said circuit-switched network from said called number, to obtain the called number of said mobile subscriber terminal.
- One kind be used for by mobile subscriber terminal packet switching network and in circuit-switched network the system of shared call number; Wherein, set up Packet Service, and set up Circuit Service through circuit-switched network through packet switching network; It is characterized in that said system comprises:-type of call recognition device; Be used for sending to call setup message under the situation of packet switching network for said mobile subscriber terminal at calling terminal; The S-CSCF of called subscriber's ownership routes the call on the application server of shared code service; Trigger single number service through iFC, and judge that calling out is should in circuit domain, to set up or should in packet domain, set up-connect apparatus for establishing, be used for connecting according to the type of the calling of being discerned, wherein,, then connect through packet switching network if the type of being discerned is the Packet Service type; Otherwise, connect through circuit-switched network.
- 9. according to Claim 8 system, wherein, said packet switching network is the IMS network.
- 10. according to the system of claim 9; Wherein, Said type of call recognition device through initial filter criteria iFC discern the type of the calling that will set up, wherein, said initial filter criteria comprises the information about the shared call number of said mobile subscriber terminal; And when said mobile subscriber terminal was registered on the network, its initial filter criteria was downloaded on its service call conversation control function S-CSCF.
- 11. system according to Claim 8; Said connection apparatus for establishing also comprises: is used for when identifying said calling and be circuit calling the domain name of call setup message called number is revised as the domain name of corresponding circuit-switched network by the domain name of packet switching network, and the device that is used for said call setup message is sent to circuit-switched network.
- 12. system according to Claim 8; Said connection apparatus for establishing also comprises: be used for when identifying said calling and be circuit calling adding the device of single number service access code at the called number of call setup message, and the device that is used for said call setup message is sent to circuit-switched network.
- 13. according to the system of claim 11 or 12, wherein, the said device that is used for said call setup message is sent to circuit-switched network is Breakout Gateway Control Function BGCF.
- 14. according to the system of claim 13, wherein, Breakout Gateway Control Function is removed the domain name or the single number service access code of said circuit-switched network from said called number, to obtain the called number of said mobile subscriber terminal.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102457481A (en) * | 2010-10-22 | 2012-05-16 | 中国电信股份有限公司 | System and method for realizing unified number service between IMS user and soft switch user |
| GB2494154B (en) | 2011-08-31 | 2017-11-29 | Metaswitch Networks Ltd | Conditional telecommunications |
| CN102394995B (en) * | 2011-11-08 | 2017-12-08 | 中兴通讯股份有限公司 | The fusion method and system of voice-and-data business |
| CN103167625B (en) * | 2011-12-08 | 2017-07-11 | 大唐联诚信息系统技术有限公司 | The message dispatching method and system in a kind of core network user face |
| CN103812771B (en) * | 2012-11-13 | 2017-03-01 | 中国电信股份有限公司 | The method and system of grappling business route in the ip multimedia subsystem |
| CN106028311B (en) * | 2016-07-15 | 2019-03-15 | 中国联合网络通信集团有限公司 | A kind of terminal registration method and device |
| CN106921659A (en) * | 2017-02-21 | 2017-07-04 | 中国联合网络通信集团有限公司 | VoLTE and VoWiFi shares the method and device of IMS accounts |
| CN113228762B (en) * | 2018-12-19 | 2023-07-28 | 瑞典爱立信有限公司 | Method for managing node paging terminal device and managing node used in wireless communication network |
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| CN1579108A (en) * | 2001-10-29 | 2005-02-09 | 艾利森电话股份有限公司 | Method and apparatus for resolving an entity identifier |
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