CN101237635A - 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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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 by 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 wish 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 is 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, audio call should 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 determine 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 ability of support voice business 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 by dual-mode terminal by 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 that the CSI service that provides is provided with the IMS network simultaneously, as 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 by packet switching network, and set up Circuit Service by circuit-switched network, it is characterized in that, at calling terminal the call setup message for described mobile subscriber terminal is sent under the situation of packet switching network, discern the type of the calling that will set up at packet switching network, if the type of being discerned is the Packet Service type, then connect by packet switching network; Otherwise, connect by circuit-switched network.
For example, described packet switching network is the IMS network.In one embodiment, discern the type of the calling that will set up by initial filter criteria iFC, wherein, described processing filtering rule comprises the information about the shared call number of described mobile subscriber terminal, and when described 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 described 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 described call setup message is sent to circuit-switched network.Perhaps, when identifying described calling and be circuit calling, packet switching network adds the single number service access code in the called number of call setup message, and described call setup message is sent to circuit-switched network.In addition, can described call setup message be sent to circuit-switched network by Breakout Gateway Control Function BGCF.Breakout Gateway Control Function is removed the domain name or the single number service access code of described circuit-switched network from described called number, to obtain the called number of described mobile subscriber terminal.
Originally also comprise clearly and be used to realize system for carrying out said process.
By using method of the present invention, can so that network for user transparent, thereby make the user that good experience is arranged.In addition, by 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 schematic diagram of method and system configuration according to an aspect of the present invention;
Fig. 2 is the schematic diagram of method and system configuration according to another aspect of the present invention;
Fig. 3 is the schematic diagram of method and system configuration according to a further aspect of the invention;
Fig. 4 is the schematic diagram of method and system configuration according to an embodiment of the invention; And
Fig. 5 is the schematic diagram of method and system configuration according to another embodiment of the invention.
Concrete true mode
For the sake of simplicity and for the purpose of clear, 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 the general description of front and following detailed give an example to invention and illustrate, rather than in order to limit the invention.
Below by example the technical scheme that one's duty is bright is described.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 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 different networks according to the type of business.Described terminal itself can be initiated request according to type of service, and for example, for audio call and SMS business, described terminal will be initiated professional by mobile CS network; When initiating multimedia service such as POC, Presence as the user, terminal will be initiated professional by 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, mobile CS network will be addressed to the mobile subscriber terminal of described shared number according to Mobile Subscriber International ISDN Number, call 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, described 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 by 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, audio call should 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 determine 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 ability of support voice business not in the IMS network, therefore, this will cause call failure.At this situation, the present invention can adopt following two kinds of methods to solve.
Scheme one: domain name mapping mode
With reference to Fig. 4 first kind of scheme is described below.
In first step, caller IMS user initiates audio call by 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.Indicate this user single number service of having contracted in called subscriber's CAMEL-Subscription-Information, described 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, pass through iFC, can discern audio call (Circuit Service) and multimedia service (Packet Service), and routing policy is set correspondingly, 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 by 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 to set up or should set up in the CS territory in the IMS territory.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 " 12345678@bj.ctcims.cn ", and wherein " " shows to call out and formerly transmitted in the IMS territory before this; Through behind the FH-number transform, described called number can be transformed into " 12345678@bj.umts.cn ", wherein, “ @bj.umts.cn " show 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) by inquiry DNS, described 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, described BGCF removes domain name among the called subscriber SIP URL (“ @bj.umts.cn "), thereby obtains called subscriber's E.164 number.Then, described 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
With reference to Fig. 5 second kind of scheme is described below.
In first step, caller IMS user initiates audio call by 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.Indicate this user single number service of having contracted in called subscriber's CAMEL-Subscription-Information, described 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, pass through iFC, can discern audio call (Circuit Service) and multimedia service (Packet Service), and routing policy is set correspondingly, 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 by 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 to set up or should set up in the CS territory in the IMS territory.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 " 12345678@bj.ctcims.cn ", and wherein " " shows to call out and formerly transmitted in the IMS territory before this; Through behind the FH-number transform, described 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 by ENUM DNS, and then, it routes the call to BGCF.
In the 6th step, BGCF removes described 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 by 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 with “ @bj.umts.cn " expression.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 shared number application server is carried out the service logic exploitation, and shared number application server need be supported the ISC interface in the IMS network simultaneously, so that undertaken alternately by 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 by variety of way.For example, can by 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 program that the present invention can also be presented as on recording medium to be write down, it comprises the machine readable instructions that is used to realize the method according to this invention.
Although specific embodiment of the present invention is described in detail above by 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 to the appended claims.
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 by packet switching network, and set up Circuit Service by circuit-switched network, it is characterized in that, at calling terminal the call setup message for described mobile subscriber terminal is sent under the situation of packet switching network, the type of the calling that identification will be set up in packet switching network, if the type of being discerned is the Packet Service type, then connect by packet switching network; Otherwise, connect by circuit-switched network.
- 2. according to the process of claim 1 wherein, described packet switching network is the IMS network.
- 3. according to the method for claim 2, wherein, discern the type of the calling that will set up by initial filter criteria iFC, wherein, described processing filtering rule comprises the information about the shared call number of described mobile subscriber terminal, and when described 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 described 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 described call setup message is sent to circuit-switched network.
- 5. according to the method for claim 1, also comprise: when identifying described calling and be circuit calling, packet switching network adds the single number service access code in the called number of call setup message, and described call setup message is sent to circuit-switched network.
- 6. according to the method for claim 4 or 5, wherein, described call setup message is sent to circuit-switched network by 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 described circuit-switched network from described called number, to obtain the called number of described 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 by circuit-switched network by packet switching network, it is characterized in that described system comprises:-type of call recognition device is used for the type of the calling that will set up in packet switching network identification under the situation that sends to packet switching network for the call setup message of described mobile subscriber terminal at calling terminal,-connect apparatus for establishing, be used for connecting according to the type of the calling of being discerned, wherein,, then connect by packet switching network if the type of being discerned is the Packet Service type; Otherwise, connect by circuit-switched network.
- 9. system according to Claim 8, wherein, described packet switching network is the IMS network.
- 10. according to the system of claim 9, wherein, described type of call recognition device is discerned the type of the calling that will set up by initial filter criteria iFC, wherein, described processing filtering rule comprises the information about the shared call number of described mobile subscriber terminal, and when described 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, described connection apparatus for establishing also comprises: is used for when identifying described 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 described call setup message is sent to circuit-switched network.
- 12. system according to Claim 8, described connection apparatus for establishing also comprises: be used for when identifying described 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 described call setup message is sent to circuit-switched network.
- 13. according to the system of claim 11 or 12, wherein, the described device that is used for described 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 described circuit-switched network from described called number, to obtain the called number of described mobile subscriber terminal.
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| CN2007100030064A CN101237635B (en) | 2007-01-29 | 2007-01-29 | Method and system for mobile terminal to share common number in packet and circuit switching network |
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| CN2007100030064A CN101237635B (en) | 2007-01-29 | 2007-01-29 | Method and system for mobile terminal to share common number in packet and circuit switching network |
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| CN102394995A (en) * | 2011-11-08 | 2012-03-28 | 中兴通讯股份有限公司 | Method and system integrating voice and data service |
| 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 |
| GB2494154A (en) * | 2011-08-31 | 2013-03-06 | Metaswitch Networks Ltd | Contacting a second device of a user over a circuit switched network if the second device is found to be non-contactable over a packet switched network |
| CN103167625A (en) * | 2011-12-08 | 2013-06-19 | 大唐联诚信息系统技术有限公司 | Information scheduling method and system of core network user plane |
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| US6839421B2 (en) * | 2001-10-29 | 2005-01-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus to carry out resolution of entity identifier in circuit-switched networks by using a domain name system |
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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 |
| GB2494154A (en) * | 2011-08-31 | 2013-03-06 | Metaswitch Networks Ltd | Contacting a second device of a user over a circuit switched network if the second device is found to be non-contactable over a packet switched network |
| GB2494154B (en) * | 2011-08-31 | 2017-11-29 | Metaswitch Networks Ltd | Conditional telecommunications |
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| CN102394995A (en) * | 2011-11-08 | 2012-03-28 | 中兴通讯股份有限公司 | Method and system integrating voice and data service |
| WO2013067775A1 (en) * | 2011-11-08 | 2013-05-16 | 中兴通讯股份有限公司 | Method and system for voice and data service fusion |
| CN103167625A (en) * | 2011-12-08 | 2013-06-19 | 大唐联诚信息系统技术有限公司 | Information scheduling method and system of core network user plane |
| 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 |
| CN103812771A (en) * | 2012-11-13 | 2014-05-21 | 中国电信股份有限公司 | Method and system for anchoring service routing in IP (Internet protocol) multimedia subsystem |
| CN106028311A (en) * | 2016-07-15 | 2016-10-12 | 中国联合网络通信集团有限公司 | Terminal register method and device |
| 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 |
| WO2020124404A1 (en) * | 2018-12-19 | 2020-06-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for management node to page terminal device, and management node for use in wireless communication network |
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