CN1645968A - System and method for realizing calling to international wandering user by local virtual number - Google Patents
System and method for realizing calling to international wandering user by local virtual number Download PDFInfo
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- CN1645968A CN1645968A CN 200510051039 CN200510051039A CN1645968A CN 1645968 A CN1645968 A CN 1645968A CN 200510051039 CN200510051039 CN 200510051039 CN 200510051039 A CN200510051039 A CN 200510051039A CN 1645968 A CN1645968 A CN 1645968A
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Abstract
The system consists of HLR in home location network, MSC /VLR in visited-network and multi business support devices set in visited-network. The business support device mainly includes: operational platform used as core operation process device, which records the state message of local calling of international roaming subscriber, renews the location message of subscriber, makes call connection for subscriber and generates call record; monitor of signaling system No. 7, which is used in monitoring the location renewing request, location cancel message in MAP protocol between international roaming subscriber in visited-network and HLR in its home location network, and transmits the message to operational platform. By dialing 'access number + called number', the international roaming subscriber can call local subscriber, and is counted with charge rate of local call. By dialing 'access number + virtual number', the local subscriber can dial through roaming subscriber coming in the local, both sides are counted with charge rate of local call.
Description
Technical field
The present invention relates to a kind of international roaming user and use local virtual number to realize the system and method for calling out, belong to telecom mobile network network value-added service technical field.
Background technology
At present, whole world mobile operator mainly adopts GSM and two kinds of mobile network's technology of CDMA to provide telecommunications service for the user, and the calling the when mobile subscriber roams between country variant often needs to pay expensive international long-distance and international roaming expense.From calling out the situation analysis of shared speech channel, even the user of roamer and its conversation is positioned at the network of same operator, the calling that has still needs elder generation's process international gateways and takies international speech channel to travel back across local network again, the continuation method of this calling has not only been wasted relay resource, and finally brings unnecessary long-distance and wandering fee for the user.
In existing GSM net, if the call flow when calling subscriber A dials the number that is international roaming user (another country) user B is as follows:
(1) calling subscriber A dials another national called subscriber B, needs to add before the number of user B the national code of dialling international long-distance access code and user B belonging country; For example: Hong Kong mobile subscriber 91111111 roams to Beijing, China's Mainland, during the user of this Hong Kong of Beijing customer call, need dial " 00-852-91111111 ".
The moving exchanging center MSC of (2) making a start is set up one section international long-distance speech channel with the gateway MSC of call proceeding to user B belonging country;
(3) this gateway MSC obtains the current roaming number of user B from the HLR of user B;
(4) this gateway MSC according to roaming number with call proceeding to the current on-site MSC of user B, set up one section international long-distance speech channel again, and the mobile phone of connecting subscribers participating B.
Therefore, according to this flow process, if user B roams to caller A current network at this moment, even caller A and called B are in consolidated network, also need set up two sections international long-distance speech channels, wherein calling subscriber A to pay from give orders or instructions to the international long-distance telephone expenses of called home network, and called subscriber B also will pay international long-distance telephone expenses and international roaming expense from its home network to its current visit net.For example above-mentioned Beijing customer call Hong Kong user's calling just comprises Beijing to Hong Kong and two segment lengths of Hong Kong to Pekinese way speech channel, Beijing user will pay the telephone charges in Beijing to Hong Kong and use, and this Hong Kong user will pay Hong Kong to Pekinese telephone charges usefulness, and corresponding international roaming expense.
Cause the reason of this situation to be: in present existing mobile telecommunications network, no matter be GSM network or cdma network, a SIM card is distributed a Mobile Subscriber International ISDN number (MSISDN, Mobile Station International ISDN Number), just each user can only have a MSISDN.If the user wishes to obtain local number in the roaming place, just must load onto local SIM card, and when using this this locality Mobile Subscriber International ISDN Number, insertion corresponding subscriber identification module SIM card (Subscriber Identity Module) in mobile phone terminal.If what the user used is the cell phone that can only insert a SIM card, at this moment the original number of user just can't use.And after the user returns home network, wish to use original Mobile Subscriber International ISDN Number, and then need original SIM card is replaced up, at this moment, the user just can not use at the number of the locality of roaming place application.
Simultaneously, the local user is when dialing roamer's phone, even roamer and local user are in same carrier network, calling out still needs elder generation's process international gateways and takies international speech channel to travel back across local network again, the continuation method of this calling has not only been wasted relay resource greatly, and connecting time is long, has finally brought unnecessary, expensive long-distance and wandering fee also can for the user.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of international roaming user uses local virtual number to realize the system and method for calling out, use GSM of the present invention and CDMA international roaming mobile subscriber needing to change under the situation of original SIM card and mobile phone, can be " access code+virtual number " virtual-number to form of visited network application, and call out the local user, and charge with the local call expense by dialling the mode of " access code+called number " of crying; Simultaneously, the local user also can put through this mobile subscriber that roaming is come in by dialling the mode of being " access code+virtual number ", and calling both sides is all pressed the local call expense and calculated.Because the call proceeding speech channel of above-mentioned dual mode all only takies local speech channel, has improved the utilance of the relay resource of operator greatly; Simultaneously,, excavated new number resource, enlarged mobile subscriber's the number scope of application by using virtual number; And the new virtual number of user applies does not take the number resource of visit net MSISDN, and visit is netted the numbering plan of MSISDN without any influence.In addition, when the caller mobile subscriber who enters when roaming uses the present invention to call out the callee that another roaming enters, the function of optimizing route can be provided, caller is connected directly to the called subscriber who is positioned at consolidated network, need not to set up two sections international long-distance speech channels.
In order to achieve the above object, the invention provides a kind of international roaming user uses local virtual number to realize the system of calling out, comprise: the attaching position register (HLR in international roaming user's the home network, HomeLocation Register) and (MSC of mobile switching centre in the visit net, Mobile Switching Center) or Visited Location Registor (VLR, Visit Location Register); It is characterized in that: this system also comprises: a plurality of international roaming users that are arranged in the described visit net use local virtual number to realize the business support device of calling out, and these a plurality of business support devices comprise:
Business platform is used as this professional core processing device: record international roaming local call state of user information, and when customer position information changes, the real-time update customer position information; When the user answers calling or makes a call, be user's replay call, and produce call detail record CDR (Call DetailedRecord); MSC/VLR in this business platform is netted with visit by ISDN(Integrated Service Digital Network) User Part ISUP (Integrated ServiceData Network User Part) agreement or mobile application protocol MAP (Mobile Application Protocol) communicates alternately;
The signalling system No.7 monitor, be used for that mobile application protocol MAP includes but not limited to the message of position updating request, canceling position between the HLR of global system for mobile communications GSM in the real-time listening visit net and code division multiple access CDMA international roaming user and its home network, and these message are sent to business platform carry out real-time update; This signalling system No.7 monitor communicates alternately by ICP/IP protocol and business platform;
Service managing server is used to provide comprise that at least service log-on, cancellation, user supplement with money, the management function of inquiry into balance, and support voice and/or short message interacting mode;
Service Maintenance Terminal as system maintenance terminal, the intrasystem various module resources that comprise voice trunking resource and voice document at least of maintenance and management, and provides call follow function and operator's management and journal file management function;
User's maintenance terminal is used to safeguard the service-user information that comprises inquiring user state information, statistics user's communication record, statistical service income at least.
Moving exchanging center MSC in the described visit net is used for according to access code this business that triggers the activation, and this visit net need not upgrading and supports the intelligent network ability, and the interior attaching position register HLR of its net does not need to revise any data yet.
In order to achieve the above object, the present invention also provides a kind of international roaming user to use local virtual number to realize the method for calling out, and it is characterized in that: comprise following operating procedure:
(1) request for utilization and number assignment: the mobile subscriber that roaming enters is when visit network operation business application " the international roaming user uses local virtual number to call out " is professional, inform its former Mobile Subscriber International ISDN number MSISDN, and purchase the prepayment service account number that is used to calculate this service communication expense; After having bought rechargeable card and the pre-payment account number supplemented with money, system finishes the registration of user to this business automatically; Operator gives this service-user distribution service number, and this number has dual mode: " access code "+" virtual number ", or " access code "+" first wife's Mobile Subscriber International ISDN Number "; The user can apply for one or more virtual numbers, and the new virtual number of user applies does not take the Mobile Subscriber International ISDN Number resource of visit net, to the MSISDN numbering plan of visit net without any influence;
(2) Ye Wu activation with close: this service-user uses phone or WWW webpage or note or WAP/GPRS method to insert " the international roaming user uses local virtual number to call out " operation system, activates or when closing business, need not shut down;
(3) real-time listening roamer location update message and real-time update: the switch in the visit net triggers the activation according to access code after this business, and this international roaming service of visit net real-time listening user is at the location update message of this locality and carry out real-time update; (4) phone incoming call: other users put through this roamer by the mode of dialing " access code "+" virtual number " or " first wife's Mobile Subscriber International ISDN Number ", realize conversation; Calling both sides is all pressed the local call expense and is chargeed; If the virtual number that other users dial is closed, system will play corresponding voice suggestion to the user;
(5) phone is breathed out: when this service-user is breathed out in the visit net, adopting to dial makes the local call mode of " access code "+" called number " connect the local user, caller ID display is " access code "+" a local virtual number ", or " access code "+" first wife's Mobile Subscriber International ISDN Number ", called subscriber directly clawback should show number;
(6) independent counting: this service-user adopts the independent counting mode of pre-payment, the calculating of expense and do not collect and need pass through home network operator.
Described method further comprises following operating procedure:
(7) routing optimality: when two calling and called users of this business of use were positioned at consolidated network, system provided the function of optimizing route, and caller is connected directly to the called subscriber who is positioned at consolidated network, no longer set up two segment lengths way speech channel; And/or
(8) call visor: this service-user can be provided with the black/white list respectively for the virtual number of oneself, and wherein blacklist is not for allowing the telephone number of incoming call, and white list limits or filters with the number to the incoming call incoming call for allowing the telephone number of incoming call; And/or
(9) incoming notifying: this service-user leaves after the visit net, and system can be with calling information by short message mode informing business user.
Should business in the described step (1) user be carried out registering the first time/process of supplementing with money comprises the following steps:
(101) user that enters of roaming is assigned with one " access code "+" virtual number " when the place's application of visited network operator uses " the international roaming user uses local virtual number to call out " professional, or " access code "+" first wife MSISDN ";
(102) this service-user is bought prepayment rechargeable card, dial interactive voice response IVR (the Interactive Voice Response) device that this service access code enters business platform again, or by the service managing server in the short message mode access service support system, import the local virtual number of its former phone number and distribution, carry out service log-on, and use prepayment rechargeable card to supplement with money;
(103) business platform is bound this user's the first wife's Mobile Subscriber International ISDN Number and the virtual number of distribution, and the denomination of user's rechargeable card is added on this user's the account number, notifies the user to register/successful recharging.
After registration, this service-user can be supplemented with money its local virtual number account by interactive voice IVR device and/or note.
When this service-user roaming entered visit net service area, the roamer position of carrying out was upgraded snoop procedure and is comprised the following steps: in the described step (3)
(301) the international roaming user carries out the position renewal in visited network, sends MSC/ or VLR that the relevant position updates request to its current place;
(302) carry out corresponding position between the attaching position register HLR of MSC/VLR and this user attaching net and upgrade processing, upgrade this user position information by HLR;
(303) the Signaling System Number 7 monitor monitors and intercepts this international roaming user's location update message on the MAP signaling link between MSC/VLR and the HLR;
(304) the Signaling System Number 7 monitor will extract the MSISDN that comprises this user at least and the station location marker information of the current place VLR of user from location update message, and the data-interface by special use sends business platform to; Business platform only upgrades the positional information of this service-user after judging that this user is service-user.
When this service-user left visit net service area, the roamer position of carrying out was upgraded snoop procedure and is comprised the following steps: in the described step (3)
(311) after the international roaming user leaves the visit net, in other visited network or its home network, carry out the position and upgrade, send the HLR that the relevant position updates request to its home network;
(312) HLR of user attaching net sends canceling position message for the MSC/VLR at the last place of user in the international roaming user visiting net;
(313) the Signaling System Number 7 monitor monitors and intercepts international roaming user's canceling position message on the MAP signaling link between the HLR of MSC/VLR that visits net and home network;
(314) the Signaling System Number 7 monitor will extract the information of the MSISDN that comprises this user at least from canceling position message, and the data-interface by special use sends business platform to; Business platform is rewritten this service-user station location marker after judging that this user is service-user, represent that this user has left the visit net.
Other users dial " access code "+" virtual number " mode and put through this roamer in the described step (4), realize that the process of phone incoming call comprises the following steps:
(401) calling subscriber calls out when roaming the virtual number that enters this service-user in the visited network, and one-time continuous is dialled and is " access code "+" virtual number ";
(402) gateway (GMSC, Gateway Mobile Switching Center) according to access code, is forwarded to this business platform with calling;
(403) business platform Query Database is translated into its original MSISDN with this roamer's virtual number, and verifies that this called subscriber is whether in visited network; If the called subscriber is at this visited network, business platform obtains the address of the current place VLR of this called subscriber of databases storage, and visits the current roaming number that this VLR obtains this called subscriber; If the called subscriber is not at this visited network, business platform then sends corresponding voice suggestion to the calling subscriber;
(404) business platform indication GMSC continues according to the called roaming number that obtains from VLR;
(405) the GMSC roaming number current according to the called subscriber is with the MSC of call proceeding to the current place of called subscriber, call establishment.
This service-user adopts to dial in the visit net and makes the local call mode of " access code "+" called number " connect the local user in the described step (5), realizes that the process that phone is breathed out comprises the following steps:
When (501) roaming entered service-user in the visit net and dials the user of local telephone service, one-time continuous was dialled " called number " that is " access code " and local user;
(502) MSC is forwarded to this business platform according to access code with calling;
(503) business platform Query Database, check whether the calling subscriber is the interior service log-on user of visited network, if the calling subscriber is the registered user, then from database, obtain this user's local virtual number, instruct MS C continuing called subscriber, and service access code+calling subscriber's virtual number issued MSC as calling number; If the calling subscriber is not the registered user, business platform then sends corresponding voice suggestion to the calling subscriber;
(504) MSC is according to new calling number continuing called subscriber, and call establishment sends to terminal called with calling subscriber's virtual number simultaneously and shows.
During " international roaming user use local virtual number call out " service-user in the described step (7) in the local user in the roaming network calls out this network, realize that the call flow of routing optimality comprises the following steps:
(701) calling subscriber directly dials " access code "+" virtual number " in local network, calls out the called subscriber, need not to dial " world/long-distance access code "+" called number ";
(702) MSC that makes a start is forwarded to business platform according to access code with calling, need not to be transferred to international gateway;
(703) business platform Query Database, find that this virtual number is a herd number, according to the information of monitoring signaling instrument monitoring, know that the roamer who has this virtual number is in the present networks, and operation system is preserved the VLR address at this current place of called subscriber simultaneously;
(704) business platform obtains called subscriber's current roaming number from this VLR, and according to this roaming number instruct MS C direct calling called subscriber, does not need to pass through international gateway;
(705) adopt local speech channel because this is called out, system charges to the calling subscriber by local call, and the called subscriber then need pay local calling expense and roaming charges.
Described method can be used for the mobile subscriber between any two countries, and visited network is when opening this business, need not and home network is signed special professional cooperation agreement.
International roaming user of the present invention uses local virtual number to realize that the business of calling out can solve roamer's unnecessary relay resource waste when conversing with the local user, has not only improved utilization rate of network resource, and has saved the international roaming expense for the user.
International roaming of the present invention uses local virtual number to realize that the method for calling out realizes by setting up with the joining operation system node of switch, professional triggering and activation realize access code analysis by switch, no matter promptly be that the roamer is as the calling local user, still the local user calls out the roamer, calls out and all takes the mode of " access code+called number " to realize.Can at first be transferred to business platform in the business support device to calling when switch is analyzed number, carry out corresponding call according to user's situation again by business platform and handle with this access code.
For example: Hong Kong mobile subscriber 91111111 roams to Beijing, China's Mainland, and (virtual number is the number that service node distributes for this roamer, as 123456 need to dial " 95383+ virtual number " during the user of this Hong Kong of Beijing customer call; Virtual number also can adopt first wife's number 91111111 of roamer).When the roamer calls out Beijing user, then need to call out " 95383+ called number ".Like this, the roamer just can be both sides and saves unnecessary international long-distance and wandering fee when conversing with the local user; Simultaneously, aspect the continuing of speech channel, adopt local speech channel, and do not need to adopt circuitous international speech channel, improved the service efficiency of relay resource.
" the international roaming user uses local virtual number to call out " of the present invention is professional carry out and promote mobile subscriber and Mobile Network Operator is a doulbe-sides' victory.Benefit for the mobile subscriber is: the international roaming user can use this business and calling charge when saving roaming greatly, and this service-user can also be provided with black and white lists, the user of restriction incoming call; Calling subscriber for this locality also can save expensive international long-distance expense.Benefit for Mobile Network Operator is: after the international roaming expense is lowered, can increase foreign friends' telephone traffic greatly, carry out communication because original many international roaming users of not using mobile communication of going abroad will will consider this business of use.
The present invention has many innovative points technically, introduces it respectively:
(1) business of the present invention adopts " access code "+" virtual number ", or " access code "+" first wife's Mobile Subscriber International ISDN Number ", does not take the Mobile Subscriber International ISDN Number resource of visited network, has excavated new number resource, has enlarged mobile subscriber's the number scope of application.
(2) the present invention monitors the location updating message of the roamer in the visit net by the signalling system No.7 monitor, need not to add the Virtual User record and revise the HLR data in visit net HLR.
(3) this business is supported GSM and two kinds of networks of CDMA simultaneously, triggers business by access code, does not need the existing network switch is done the support or the upgrading of intelligent network CAMEL and WIN ability, and service deployment is quick and easy, and is easy to utilize.
(4) the international roaming user uses former mobile phone when visited network, and need not change local SIM card, just can obtain one or more local virtual numbers, by the local user of the cost calls of local call with answer local subscriber phone, saves communication cost greatly; Simultaneously, because the calling route localization of international roaming user in the visit net reduced taking the international long-distance relaying.And, two sections international speech channels are changed into one section local speech channel, also alleviated the international signalling transfer point burden, this call proceeding process without any influence, has alleviated the load of home network to home network, simultaneously the visit net is not had extra influence.
(5) the international roaming user can be provided with black and white lists respectively for the one or more virtual numbers of oneself, limits or filters with the telephone number to incoming call.
(6) local user calls out the international roaming user by the mode of dialing " access code "+" virtual number ", need not dial the international long-distance number and just can directly call the international roaming user, makes local calling subscriber also save expensive international long-distance expense.
(7) support with " access code+virtual number " mode display of calling number convenient local called subscriber's clawback; When this professional roamer calls out local called subscriber, owing to call out and at first will pass through business platform, business platform can be replaced by " access code+virtual number " with user's former Mobile Subscriber International ISDN Number, and instruct MS C calling is called, is convenient to called subscriber's callback like this.
(8) on the MAP signaling link between the HLR of MSC/VLR that visits net and home network, increase the Signaling System Number 7 monitor, be used to monitor the location status information of international roaming user in the visit net, realized international roaming user's location.
(9) formality of user's registration and unregistration business is simple, convenient: this service-user is just finished service log-on automatically when supplementing with money for the first time, do not need the user to buy a plurality of SIM card and mobile phone.
(10) first wife's number can adopt different charge mode with business of the present invention, and for example first wife's number is the post payment service user, and international roaming user of the present invention uses the calling of local virtual number then to be the pre-payment pattern.
Description of drawings
Fig. 1 is that international roaming user of the present invention uses local virtual number to realize the system configuration schematic diagram of calling out.
Fig. 2 is that international roaming user of the present invention uses local virtual number to realize the operating process block diagram of calling out.
Fig. 3 is the snoop procedure schematic diagram that the international roaming user upgrades its position when entering visited network.
Fig. 4 is the snoop procedure schematic diagram that the international roaming user upgrades its position when leaving visited network.
Fig. 5 is that the international roaming user uses local virtual number to realize the calling schematic flow sheet of calling out.
Fig. 6 is that the international roaming user uses local virtual number to realize the outgoing schematic flow sheet of the service-user of calling.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, the present invention is that a kind of international roaming user uses local virtual number to realize the system of calling out, comprise: the attaching position register HLR in international roaming user's the home network, moving exchanging center MSC or Visited Location Registor VLR in the visit net, and a plurality of international roaming users that are provided with in visit net use local virtual number to realize the business support device of calling out, and this business support device comprises at least:
Business platform as this professional core processing device is used to write down international roaming local call state of user information, and when customer position information changes, the real-time update customer position information; When the user answers calling or makes a call, be user's replay call, and produce call detail record CDR; This business platform communicates alternately by the MSC/VLR in ISUP or MAP and the visit net;
The signalling system No.7 monitor is used for monitoring that MAP comprises the message of position updating request, canceling position at least between the HLR of GSM in the visit net and CDMA international roaming user and its home network, and these message are sent to business platform carries out real-time update; This signalling system No.7 monitor communicates by ICP/IP protocol and business platform alternately.
This business support device also includes (not shown): is used to provide comprise management functions such as service log-on, cancellation, user supplement with money, inquiry into balance, and the service managing server of support voice and/or short message interacting mode; As the Service Maintenance Terminal of system maintenance terminal, be used for that maintenance and management is intrasystem to comprise various module resources such as voice trunking resource and voice document, and call follow function and operator's management and journal file management function are provided; Be used to safeguard the user's maintenance terminal that comprises service-user information such as inquiring user state information, statistics user's communication record, statistical service income.
Referring to Fig. 2, the present invention still is that a kind of international roaming user uses local virtual number to realize the method for calling out, and mainly comprises following operating procedure:
(1) request for utilization and number assignment: the mobile subscriber that roaming enters is when visit network operation business application " the international roaming user uses local virtual number to call out " is professional, inform its former Mobile Subscriber International ISDN number MSISDN, and purchase the prepayment service account number that is used to calculate this service communication expense, so that communication cost that should business is all added up on account; After having bought rechargeable card and the prepayment service account number supplemented with money, system finishes the registration of user to this business automatically; Operator gives this service-user distribution service number, and this number has dual mode: " access code "+" virtual number ", or " access code "+" first wife's Mobile Subscriber International ISDN Number "; The user can apply for one or more virtual numbers;
(2) Ye Wu activation with close: this service-user uses phone or WWW webpage or note or WAP/GPRS method to insert " the international roaming user uses local virtual number to call out " operation system, closes or during activating service, need not shut down; For example, this service-user can be closed the business of its application after getting back to home network, and after this, if when other users dial pent virtual number, system will play corresponding voice suggestion to the calling subscriber;
(3) real-time listening roamer location update message and real-time update: the switch in the visit net triggers the activation according to access code after this business, need not revise any data at the attaching position register HLR of roaming network, also need not the upgrading of visit net and support the intelligent network ability, convenient greatly professional deployment and popularization; Simultaneously, this international roaming service of visit net real-time listening user is at the location update message of this locality with carry out real-time update;
(4) phone incoming call: other users put through this roamer by the mode of dialing " access code "+" virtual number " or " first wife's Mobile Subscriber International ISDN Number ", realize conversation; Calling both sides is all pressed the local call expense and is chargeed; If the virtual number that other users dial is closed, system will play corresponding voice suggestion to the user;
(5) phone is breathed out: when this service-user is breathed out in the visit net, adopting to dial makes the local call mode of " access code "+" called number " connect the local user, caller ID display is " access code "+" a local virtual number ", or " access code "+" first wife's Mobile Subscriber International ISDN Number ", called subscriber directly clawback should show number;
(6) independent counting: this service-user adopts the independent counting mode of pre-payment, the calculating of expense and do not collect and need pass through home network operator.
Referring to Fig. 3, the snoop procedure of when introducing international roaming user of the present invention and entering visited network its position being upgraded (dotted line represents to use the communication of MAP among the figure, and double dot dash line represents to use the communication of ICP/IP protocol):
(1) the international roaming user carries out the position renewal in the visit net, sends the MSC/VLR that the relevant position updates request to its current place;
(2) carry out corresponding position between the HLR of MSC/VLR and this user attaching net and upgrade processing, upgrade this user position information by HLR;
(3) the Signaling System Number 7 monitor monitors and intercepts international roaming user's location update message on the MAP signaling link between MSC/VLR and the HLR;
Information such as MSISDN that comprises this user that (4) the Signaling System Number 7 monitor will extract from location update message and VLR station location marker, the data-interface by special use sends business platform to; After this user of business platform judges is service-user, only the positional information of this service-user is upgraded.
Referring to Fig. 4, the snoop procedure of when introducing international roaming user of the present invention and leaving visited network its position being upgraded (dotted line represents to use the communication of MAP among the figure, and double dot dash line represents to use the communication of ICP/IP protocol):
(1) the international roaming user leaves visit net 1, carries out the position and upgrade in other networks (for example visit net 2 in the drawings or its home network), sends the HLR that the relevant position updates request to its home network;
(2) HLR of user attaching sends canceling position message for the MSC/VLR of the visit net 1 that the user leaves at last in this international roaming user visiting net;
(3) the Signaling System Number 7 monitor monitors and intercepts international roaming user's canceling position message on MSC/VLR that visits net 1 and the MAP signaling link between the home network HLR;
(4) the Signaling System Number 7 monitor will extract this user's information such as MSISDN from canceling position message, and the data-interface by special use sends business platform to; After this user of business platform judges is service-user, rewrite the service-user station location marker, represent that this user has left the visit net.
Referring to Fig. 5, service-user of the present invention adopts the incoming call incoming call mode of " access code "+" virtual number ", and speech channel and telephone expenses are all carried out according to the local call mode behind the call through.
(1) calling subscriber A calls out the virtual number that roaming enters the services of roaming user B in the visited network: " access code "+" virtual number ", for example 96333123456, wherein hypothesis " 96333 " is this professional access code, and " 123456 " are the virtual number of user B in the visited network application;
(2) gateway GMSC is forwarded to operation system according to access code with calling;
(3) operation system Query Database is translated into its original MSISDN with the virtual number of user B, and verifies that this called subscriber is whether in visited network.If called subscriber B is at this visited network, business platform obtains the address of the current place VLR of this called subscriber B of databases storage, and visits the current roaming number that this VLR obtains this called subscriber; If the called subscriber is not at this visited network, business platform then sends corresponding voice suggestion to the calling subscriber;
(4) operation system indication GMSC continues according to the called roaming number that obtains from VLR;
(5) the GMSC roaming number current according to called subscriber B is with the MSC of call proceeding to the current place of called subscriber B, call establishment.
It also is to make the mode of " access code "+" called number " realize by dialling that the phone of business of the present invention is breathed out, and whole handshaking procedure adopts local speech channel to continue, and not only optimizes route, has also saved telephone expenses for caller.Introduce the phone exhalation flow process of business of the present invention referring to Fig. 6:
(1) roaming enters the interior service-user A of visit net (its virtual number is " 123456 ") and dials local telephone subscriber B: " access code "+" called number ", for example 9633362281000, wherein hypothesis " 96333 " is this professional access code, and " 62281000 " are the actual phone number of user B;
(2) MSC is forwarded to operation system according to access code with calling;
(3) operation system Query Database, check whether calling subscriber A is the interior service log-on user of visited network, if the calling subscriber is the registered user, then from database, obtain the local virtual number of this user A, instruct MS C continuing called subscriber B, and the virtual number of service access code+user A (promptly 96333123456) issued MSC as calling number; If the calling subscriber is not the registered user, business platform then sends corresponding voice suggestion to the calling subscriber;
(4) MSC is according to new calling number continuing called subscriber B, call establishment, and simultaneously, the calling number that called B terminal shows is 96333123456.
Claims (12)
1, a kind of international roaming user uses local virtual number to realize the system of calling out, and comprising: moving exchanging center MSC or Visited Location Registor VLR in attaching position register HLR in international roaming user's the home network and the visit net; It is characterized in that: this system also comprises: a plurality of international roaming users that are arranged in the described visit net use local virtual number to realize the business support device of calling out, and these a plurality of business support devices comprise:
Business platform is used as this professional core processing device: record international roaming local call state of user information, and when customer position information changes, the real-time update customer position information; When the user answers calling or makes a call, be user's replay call, and produce call detail record CDR; MSC/VLR in this business platform is netted with visit by ISDN(Integrated Service Digital Network) User Part ISDN User Part or mobile application protocol MAP communicates alternately;
The signalling system No.7 monitor, be used for that mobile application protocol MAP includes but not limited to the message of position updating request, canceling position between the HLR of global system for mobile communications GSM in the real-time listening visit net and code division multiple access CDMA international roaming user and its home network, and these message are sent to business platform carry out real-time update; This signalling system No.7 monitor communicates alternately by ICP/IP protocol and business platform;
Service managing server is used to provide comprise that at least service log-on, cancellation, user supplement with money, the management function of inquiry into balance, and support voice and/or short message interacting mode;
Service Maintenance Terminal as system maintenance terminal, the intrasystem various module resources that comprise voice trunking resource and voice document at least of maintenance and management, and provides call follow function and operator's management and journal file management function;
User's maintenance terminal is used to safeguard the service-user information that comprises inquiring user state information, statistics user's communication record, statistical service income at least.
2, international roaming user according to claim 1 uses local virtual number to realize the system of calling out, it is characterized in that: the moving exchanging center MSC in the described visit net is used for according to access code this business that triggers the activation, this visit net need not upgrading and supports the intelligent network ability, and the attaching position register HLR in its net does not need to revise any data yet.
3, a kind of international roaming user uses local virtual number to realize the method for calling out, and it is characterized in that: comprise following operating procedure:
(1) request for utilization and number assignment: the mobile subscriber that roaming enters is when visit network operation business application " the international roaming user uses local virtual number to call out " is professional, inform its former Mobile Subscriber International ISDN number MSISDN, and purchase the prepayment service account number that is used to calculate this service communication expense, after having bought rechargeable card and the prepayment service account number supplemented with money, system finishes the registration of user to this business automatically; Operator gives this service-user distribution service number, and this number has dual mode: " access code "+" virtual number ", or " access code "+" first wife's Mobile Subscriber International ISDN Number "; The user can apply for one or more virtual numbers, and the new virtual number of user applies does not take the Mobile Subscriber International ISDN Number resource of visit net, to the MSISDN numbering plan of visit net without any influence;
(2) Ye Wu activation with close: this service-user uses phone or WWW webpage or note or WAP/GPRS method to insert " the international roaming user uses local virtual number to call out " operation system, activates or when closing business, need not shut down;
(3) real-time listening roamer location update message and real-time update: the switch in the visit net triggers the activation according to access code after this business, and this international roaming service of visit net real-time listening user is at the location update message of this locality and carry out real-time update;
(4) phone incoming call: other users put through this roamer by the mode of dialing " access code "+" virtual number " or " first wife's Mobile Subscriber International ISDN Number ", realize conversation; Calling both sides is all pressed the local call expense and is chargeed; If the virtual number that other users dial is closed, system will play corresponding voice suggestion to the user;
(5) phone is breathed out: when this service-user is breathed out in the visit net, adopting to dial makes the local call mode of " access code "+" called number " connect the local user, caller ID display is " access code "+" a local virtual number ", or " access code "+" first wife's Mobile Subscriber International ISDN Number ", called subscriber directly clawback should show number;
(6) independent counting: this service-user adopts the independent counting mode of pre-payment, the calculating of expense and do not collect and need pass through home network operator.
4, the method for realization calling according to claim 3, it is characterized in that: described method further comprises following operating procedure:
(7) routing optimality: when two calling and called users of this business of use were positioned at consolidated network, system provided the function of optimizing route, and caller is connected directly to the called subscriber who is positioned at consolidated network, no longer set up two segment lengths way speech channel; And/or
(8) call visor: this service-user can be provided with the black/white list respectively for the virtual number of oneself, and wherein blacklist is not for allowing the telephone number of incoming call, and white list limits or filters with the number to the incoming call incoming call for allowing the telephone number of incoming call; And/or
(9) incoming notifying: this service-user leaves after the visit net, and system can be with calling information by short message mode informing business user.
5, the realization according to claim 3 method of calling out is characterized in that: should business in the described step (1) user is carried out registering the first time/process of supplementing with money comprises the following steps:
(101) user that enters of roaming is assigned with one " access code "+" virtual number " when the place's application of visited network operator uses " the international roaming user uses local virtual number to call out " professional, or " access code "+" first wife MSISDN ";
(102) this service-user is bought prepayment rechargeable card, dial the interactive voice response IVR device that this service access code enters business platform again, or by the service managing server in the short message mode access service support system, import the local virtual number of its former phone number and distribution, carry out service log-on, and use prepayment rechargeable card to supplement with money;
(103) business platform is bound this user's the first wife's Mobile Subscriber International ISDN Number and the virtual number of distribution, and the denomination of user's rechargeable card is added on this user's the account number, notifies the user to register/successful recharging.
6, the method for realization calling according to claim 5, it is characterized in that: after registration, this service-user can be supplemented with money its local virtual number account by interactive voice IVR and/or note.
7, the method for realization calling according to claim 3 is characterized in that: when this service-user roaming entered visit net service area, the roamer position of carrying out was upgraded snoop procedure and is comprised the following steps: in the described step (3)
(301) the international roaming user carries out the position renewal in visited network, sends the MSC/VLR that the relevant position updates request to its current place;
(302) carry out corresponding position between the attaching position register HLR of MSC/VLR and this user attaching net and upgrade processing, upgrade this user position information by HLR;
(303) the Signaling System Number 7 monitor monitors and intercepts this international roaming user's location update message on the MAP signaling link between MSC/VLR and the HLR;
(304) the Signaling System Number 7 monitor will extract the MSISDN that comprises this user at least and the station location marker information of the current place VLR of user from location update message, and the data-interface by special use sends business platform to; Business platform only upgrades the positional information of this service-user after judging that this user is service-user.
8, the method for realization calling according to claim 3 is characterized in that: when this service-user left visit net service area, the roamer position of carrying out was upgraded snoop procedure and is comprised the following steps: in the described step (3)
(311) after the international roaming user leaves the visit net, in other visited network or its home network, carry out the position and upgrade, send the HLR that the relevant position updates request to its home network;
(312) HLR of user attaching net sends canceling position message for the MSC/VLR at the last place of user in the international roaming user visiting net;
(313) the Signaling System Number 7 monitor monitors and intercepts international roaming user's canceling position message on the MAP signaling link between the HLR of MSC/VLR that visits net and home network;
(314) the Signaling System Number 7 monitor will extract the information of the MSISDN that comprises this user at least from canceling position message, and the data-interface by special use sends business platform to; Business platform is rewritten this service-user station location marker after judging that this user is service-user, represent that this user has left the visit net.
9, the method for realization calling according to claim 3, it is characterized in that: other users dial " access code "+" virtual number " mode and put through this roamer in the described step (4), realize that the process of phone incoming call comprises the following steps:
(401) calling subscriber calls out when roaming the virtual number that enters this service-user in the visited network, and one-time continuous is dialled and is " access code "+" virtual number ";
(402) gateway GMSC is forwarded to this business platform according to access code with calling;
(403) business platform Query Database is translated into its original MSISDN with this roamer's virtual number, and verifies that this called subscriber is whether in visited network; If the called subscriber is at this visited network, business platform obtains the address of the current place VLR of this called subscriber of databases storage, and visits the current roaming number that this VLR obtains this called subscriber; If the called subscriber is not at this visited network, business platform then sends corresponding voice suggestion to the calling subscriber;
(404) business platform indication GMSC continues according to the called roaming number that obtains from VLR;
(405) the GMSC roaming number current according to the called subscriber is with the MSC of call proceeding to the current place of called subscriber, call establishment.
10, the method for realization calling according to claim 3, it is characterized in that: this service-user adopts to dial in the visit net and makes the local call mode of " access code "+" called number " connect the local user in the described step (5), realizes that the process that phone is breathed out comprises the following steps:
When (501) roaming entered service-user in the visit net and dials the user of local telephone service, one-time continuous was dialled " called number " that is " access code " and local user;
(502) MSC is forwarded to this business platform according to access code with calling;
(503) business platform Query Database, check whether the calling subscriber is the interior service log-on user of visited network, if the calling subscriber is the registered user, then from database, obtain this user's local virtual number, instruct MS C continuing called subscriber, and service access code+calling subscriber's virtual number issued MSC as calling number; If the calling subscriber is not the registered user, business platform then sends corresponding voice suggestion to the calling subscriber;
(504) MSC is according to new calling number continuing called subscriber, and call establishment sends to terminal called with calling subscriber's virtual number simultaneously and shows.
11, the method for realization calling according to claim 4, it is characterized in that: during " international roaming user use local virtual number call out " service-user in the described step (7) in the local user in the roaming network calls out this network, realize that the call flow of routing optimality comprises the following steps:
(701) calling subscriber directly dials " access code "+" virtual number " in local network, calls out the called subscriber, need not to dial " world/long-distance access code "+" called number ";
(702) MSC that makes a start is forwarded to business platform according to access code with calling, need not to be transferred to international gateway;
(703) business platform Query Database, find that this virtual number is a herd number, according to the information of monitoring signaling instrument monitoring, know that the roamer who has this virtual number is in the present networks, and business platform is preserved the VLR address at this current place of called subscriber simultaneously;
(704) business platform obtains called subscriber's current roaming number from this VLR, and according to this roaming number instruct MS C direct calling called subscriber, does not need to pass through international gateway;
(705) adopt local speech channel because this is called out, system charges to the calling subscriber by local call, and the called subscriber then need pay local calling expense and roaming charges.
12, the realization according to claim 3 method of calling out, it is characterized in that: described method can be used for the mobile subscriber between any two countries, and visited network is when opening this business, need not and home network is signed special professional cooperation agreement.
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