CN101895863B - Acquisition method and system of calling subscription information of roaming user - Google Patents
Acquisition method and system of calling subscription information of roaming user Download PDFInfo
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- CN101895863B CN101895863B CN200910143321.6A CN200910143321A CN101895863B CN 101895863 B CN101895863 B CN 101895863B CN 200910143321 A CN200910143321 A CN 200910143321A CN 101895863 B CN101895863 B CN 101895863B
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Abstract
The invention relates to an acquisition method of the calling subscription information of a roaming user. The method comprises the following steps: when a visited network connects the call of the roaming user with the gateway mobile switch center (GMSC) of a home network, the GMSC analyzes the calling number to judge whether the user is the roaming access user of the network; if so, the anytime subscription interrogation (ATSI) of a mobile application part (MAP) is used to search the HLR of the home network, wherein the ATSI contains the calling mobile station international ISDN number (MSISDN) obtained in calling; and a home location register (HLR) searches for the corresponding calling subscription information according to the calling MSISDN and returns the calling subscription information to the GMSC. The invention also relates to an acquisition system of the calling subscription information of the roaming user. The system comprises the GMSC and the HLR which both belongs to the home network. By expanding the ATSI in the existing MAP and obtaining the calling subscription information of the user from the HLR, the subsequent intelligent business processes are triggered and the service billing is convenient to perform by the operators.
Description
Technical field
The present invention relates to mobile communication network technology field, relate in particular to a kind of mobile terminal gateway MSC (Gateway Mobile Switch Center is called for short GMSC) when roaming and obtain the method for user's Originating CAMEL Subscription Information and obtain system.
Background technology
At present, in mobile network prepaid user to realize the mode of internetwork roaming be by (the Mobile Switch Center of roaming place mobile switching centre, be called for short MSC) and the service control point (Service Control Point, abbreviation SCP) of ownership place between triggering intelligent network service realize.This implementation is higher to compatibility and the coherence request of the intelligent network protocol between the MSC of roaming place and the SCP of ownership place, especially consider the complexity that the technology of the netsurfing of cross operator is coordinated, so some operators are not also prepared as prepaid user at present the services of roaming between net are provided, so these prepaid users also just cannot carry out call business under roaming state.
For evading compatibility issue, someone has proposed another kind of possible roaming scheme, by call routing when rete mirabile is roamed, returns home network, by home network GMSC and SCP, realizes intelligent network protocol.But because visited network returns call routing after the GMSC of home network, traditional GMSC only carries out called number analysis, calling number is not analyzed, therefore cannot obtain any business information of calling subscriber, also cannot deduct fees according to calling subscriber's Originating CAMEL Subscription Information (O-CAMEL Subscription Information is called for short O-CSI) information and SCP.
Summary of the invention
The object of the invention is to propose a kind of acquisition methods and system of calling subscription information of roaming user, can can obtain this terminal use's Originating CAMEL Subscription Information at mobile terminal GMSC when rete mirabile is roamed, with the IN service flow process of this triggering following, and be convenient to operator and carry out service billing.
For achieving the above object, the invention provides a kind of acquisition methods of calling subscription information of roaming user, comprising:
When visited network returns roamer's call proceeding to the gateway MSC of home network, described gateway MSC is analyzed the calling number of described calling, determines whether this network roaming access user;
This network roaming access user if, adopt MAP (MobileApplication Part, abbreviation MAP) random time subscription data inquiry (the AnyTime Subscription Interrogation of agreement, abbreviation ATSI) message is inquired about to the attaching position register of described home network, described random time subscription data query messages comprises the caller mobile base station ISDN number (Mobile Stationinternational ISDN number is called for short MSISDN) obtaining in described calling;
Described attaching position register is inquired about corresponding Originating CAMEL Subscription Information according to described caller mobile base station ISDN number, and described Originating CAMEL Subscription Information is returned to described gateway MSC.
Further, described Originating CAMEL Subscription Information at least comprises caller international mobile subscriber identity (International Mobile Subscriber Identity is called for short IMSI).
Further, the described operation that Originating CAMEL Subscription Information is returned to described gateway MSC is specially: adopt the random time subscription data query response message of MAP agreement that described Originating CAMEL Subscription Information is returned to described gateway MSC.
Further, if judge that described roamer is for this network roaming access user, gateway MSC is forwarded to the home network under described roamer by described calling.
For achieving the above object, the invention provides a kind of system of obtaining of calling subscription information of roaming user, comprise and belong to home network:
Gateway MSC, when receiving the roamer's that visited network continues calling, calling number to described calling is analyzed, determine whether this network roaming access user, this network roaming access user if, adopt the random time subscription data query messages of MAP agreement to inquire about to the attaching position register of described home network, described random time subscription data query messages comprises the caller mobile base station ISDN number obtaining in described calling;
Attaching position register, for inquiring about corresponding Originating CAMEL Subscription Information according to described caller mobile base station ISDN number, and returns to described gateway MSC by described Originating CAMEL Subscription Information.
Further, described gateway MSC specifically comprises:
Calling number analysis module, when receiving the roamer's that visited network continues calling, analyzes the calling number of described calling, determines whether this network roaming access user;
CAMEL-Subscription-Information enquiry module, for when the described roamer of judgement is this network roaming access user, adopt the random time subscription data query messages of MAP agreement to inquire about to the attaching position register of described home network, described random time subscription data query messages comprises the caller mobile base station ISDN number obtaining in described calling.
Further, Originating CAMEL Subscription Information at least comprises caller international mobile subscriber identity.
Further, described gateway MSC also comprises: call out forwarding module, for when the described roamer of judgement is not this network roaming access user, described calling is forwarded to the home network under described roamer.
Based on technique scheme, the present invention is the ATSI message in existing MAP by expansion, obtains user's Originating CAMEL Subscription Information from HLR, thus the IN service flow process of triggering following, and be convenient to operator and carry out service billing.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of an embodiment of the acquisition methods of calling subscription information of roaming user of the present invention.
Fig. 2 is the related signalling diagram of Fig. 1 embodiment.
Fig. 3 is the structural representation of gateway MSC in the embodiment of the system of obtaining of calling subscription information of roaming user of the present invention.
Fig. 4 is the structural representation of gateway MSC in another embodiment of the system of obtaining of calling subscription information of roaming user of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
As shown in Figure 1, be the schematic flow sheet of an embodiment of the acquisition methods of calling subscription information of roaming user of the present invention.In the present embodiment, idiographic flow is as follows:
Whether the calling number that described calling is sent in step 102, judgement is this network roaming access user, if this network roaming access user performs step 104, otherwise execution step 103;
If this roamer of step 103 is not the roaming access user of Home Network, GMSC is transmitted to the home network under this roamer, then end operation by this calling;
In the step 103 of above-mentioned the present embodiment, other call treatment mode, the mode directly shielding such as the calling for non-network roaming access user etc. can also be set to GMSC.
Pass through technique scheme, the present invention utilizes the expansion to the ATSI message in MAP, the parameter that MSISDN is carried as ATSI is sent inquiry request to the HLR of ownership place, thereby from HLR, obtain corresponding Originating CAMEL Subscription Information, with this, carry out the paying of business, this has just solved the problem that causes various value-added services to be difficult to open because realizing prepaid user's value-added service paying problem in existing mobile network.
In the present embodiment, Originating CAMEL Subscription Information at least comprises IMSI, can also comprise some other and the value-added service relevant Originating CAMEL Subscription Information of paying, Originating CAMEL Subscription Information (O-CAMEL Subscription Information for example, be called for short O-CSI) and user's call treatment (Subscribers Call Processing is called for short SCP) information etc.
For the MAP-ATSI message of standard, it is mainly used in gsmSCP to supplementary service or CSI information such as HLR request user forwards, and the present invention has utilized existing ATSI message flow to realize obtaining of Originating CAMEL Subscription Information.
The example of the ATSI message of the MAP of this expansion specifically sees table:
MAP-ANY-TIME-SUNSCRIPTION-INTERROGATION message
| Parameter name | Request | Indication | Response | Confirm |
| Invoke id | M | M(＝) | M(＝) | M(＝) |
| Requested Subscription Info | M | M(＝) | ||
| GsmSCF-Address | M | M(＝) | ||
| IMSI | C | C(＝) | M | M(＝) |
| MSISDN | M | M(＝) | ||
| Long FTN Supported | C | C(＝) | ||
| Call Forwarding Data | C | C(＝) | ||
| Call Barring Data | C | C(＝) | ||
| ODB Info | C | C(＝) | ||
| CAMEL Subscription Info | C | C(＝) | ||
| Supported CAMEL phases in VLR | C | C(＝) | ||
| Supported CAMEL phases in SGSN | C | C(＝) | ||
| User error | C | C(＝) | ||
| Provider error | O |
Its expansion is IMSI and MSISDN, in upper table, with thick line, mark, wherein M represents essential support, and M (=) represents essential support and consistent with left side parameter value, C represents optional support, and C (=) represents optional support and consistent with left side parameter value.
Based on this ATSI message, Fig. 2 has provided corresponding signalling diagram, Radix Angelicae Sinensis possession GMSC receives after call proceeding IAM, after judging and being this network roaming access user, utilize MAP-ANY-TIME-SUNSCRIPTION-INTERROGATION message to inquire about to HLR, this ATSI message is after expansion, mandatory parameter with caller MSISDN, HLR receives after caller MSISDN, inquire about corresponding IMSI, and by response message MAP-ANY-TIME-SUNSCRIPTION-INTERROGATION-RSP, caller IMSI is returned, the message format of this response message is consistent with ATSI message.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
As shown in Figure 3, be the structural representation of gateway MSC in an embodiment of the system of obtaining of calling subscription information of roaming user of the present invention.In the present embodiment, obtain system and comprise GMSC and the HLR that belongs to home network.Wherein GMSC is when receiving the roamer's that visited network continues calling, the calling number of calling out is analyzed, determine whether this network roaming access user, this network roaming access user if, the ATSI message that adopts MAP is inquired about to the HLR of home network, and ATSI message comprises the caller MSISDN obtaining in described calling.HLR is mainly responsible for inquiring about corresponding Originating CAMEL Subscription Information according to caller MSISDN, and Originating CAMEL Subscription Information is returned to GMSC.
In the present embodiment, GMSC specifically comprises: calling number analysis module 1 and CAMEL-Subscription-Information enquiry module 2.When wherein calling number analysis module 1 is responsible for receiving the roamer's that visited network continues calling, the calling number of described calling is analyzed, determined whether this network roaming access user.CAMEL-Subscription-Information enquiry module 2 is responsible for when the described roamer of judgement is this network roaming access user, and the ATSI message of employing MAP is inquired about to the HLR of home network, and ATSI message comprises the caller MSISDN obtaining in described calling.
Here the Originating CAMEL Subscription Information of mentioning at least comprises caller IMSI, can also comprise the parameter that other are relevant with value-added service.
As shown in Figure 4, be the structural representation of gateway MSC in another embodiment of the system of obtaining of calling subscription information of roaming user of the present invention.Compare with a upper embodiment, the GMSC in the present embodiment also comprises: call out forwarding module 3, this module is not for when the described roamer of judgement is not this network roaming access user, and described calling is forwarded to the home network under described roamer.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (6)
1. an acquisition methods for calling subscription information of roaming user, comprising:
When visited network returns roamer's call proceeding to the gateway MSC of home network, described gateway MSC is analyzed the calling number of described calling, determines whether this network roaming access user;
This network roaming access user if, adopt the random time subscription data query messages of the MAP agreement of expansion to inquire about to the attaching position register of described home network, expansion in described random time subscription data query messages comprises IMSI field and MSISDN field, the Request position of described IMSI field is optional support, Indication position is optional support and consistent with the parameter value of Request position, Response position is essential support, Confirm position is essential support and consistent with the parameter value of Response position, the Request position of described MSISDN field is essential support, Indication position is essential support and consistent with the parameter value of Request position,
Described attaching position register is inquired about corresponding Originating CAMEL Subscription Information according to described caller mobile base station ISDN number, and described Originating CAMEL Subscription Information is returned to described gateway MSC;
If judge that described roamer is for this network roaming access user, described gateway MSC is forwarded to the home network under described roamer by described calling.
2. the acquisition methods of calling subscription information of roaming user according to claim 1, wherein said Originating CAMEL Subscription Information at least comprises caller international mobile subscriber identity.
3. the acquisition methods of calling subscription information of roaming user according to claim 1 and 2, the wherein said operation that Originating CAMEL Subscription Information is returned to described gateway MSC is specially: adopt the random time subscription data query response message of MAP agreement that described Originating CAMEL Subscription Information is returned to described gateway MSC.
4. the system of obtaining of calling subscription information of roaming user, comprises and belongs to home network:
Gateway MSC, when receiving the roamer's that visited network continues calling, calling number to described calling is analyzed, determine whether this network roaming access user, this network roaming access user if, adopt the random time subscription data query messages of the MAP agreement of expansion to inquire about to the attaching position register of described home network, expansion in described random time subscription data query messages comprises IMSI field and MSISDN field, the Request position of described IMSI field is optional support, Indication position is optional support and consistent with the parameter value of Request position, Response position is essential support, Confirm position is essential support and consistent with the parameter value of Response position, the Request position of described MSISDN field is essential support, Indication position is essential support and consistent with the parameter value of Request position,
Attaching position register, for inquiring about corresponding Originating CAMEL Subscription Information according to described caller mobile base station ISDN number, and returns to described gateway MSC by described Originating CAMEL Subscription Information;
Wherein said gateway MSC also comprises:
Call out forwarding module, for when the described roamer of judgement is not this network roaming access user, described calling is forwarded to the home network under described roamer.
5. the system of obtaining of calling subscription information of roaming user according to claim 4, wherein said gateway MSC specifically comprises:
Calling number analysis module, when receiving the roamer's that visited network continues calling, analyzes the calling number of described calling, determines whether this network roaming access user;
CAMEL-Subscription-Information enquiry module, for when the described roamer of judgement is this network roaming access user, adopt the random time subscription data query messages of MAP agreement to inquire about to the attaching position register of described home network, described random time subscription data query messages comprises the caller mobile base station ISDN number obtaining in described calling.
6. according to the system of obtaining of the calling subscription information of roaming user described in claim 4 or 5, wherein said Originating CAMEL Subscription Information at least comprises caller international mobile subscriber identity.
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| CN200910143321.6A CN101895863B (en) | 2009-05-20 | 2009-05-20 | Acquisition method and system of calling subscription information of roaming user |
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| CN101106810B (en) * | 2006-07-14 | 2010-05-12 | 中国电信股份有限公司 | Method for capturing caller subscription information upon cross-network roaming |
| CN101106809B (en) * | 2006-07-14 | 2010-04-14 | 中国电信股份有限公司 | Billing method for prepayment user to send SMS upon cross-network roaming |
| CN101217802B (en) * | 2008-01-08 | 2010-12-08 | 华为技术有限公司 | A method and device to trigger calling services when the user is under roaming |
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