CN102137365A - Prepayment user international roaming method and device - Google Patents
Prepayment user international roaming method and device Download PDFInfo
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- CN102137365A CN102137365A CN2010106198889A CN201010619888A CN102137365A CN 102137365 A CN102137365 A CN 102137365A CN 2010106198889 A CN2010106198889 A CN 2010106198889A CN 201010619888 A CN201010619888 A CN 201010619888A CN 102137365 A CN102137365 A CN 102137365A
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Abstract
The embodiment of the invention provides a prepayment user international roaming method and device for simplifying signaling docking between international operators and avoiding complex expense settlement process. The method comprises the steps: a prepayment service (PPS) user attribution mobile switching center (MSC) forwards a call of a PPS user to a first attribution service control point (SCP) of the PPS user by using a specific number set by the PPS user; the PPS user attribution MSC routes the call to a PPS user visiting place gateway mobile switching center (GMSC) according to a PPS user visiting place number returned by the first SCP; and the PPS user attribution MSC reports charge information to a second attribution SCP of the PPS user after the call service is ended. Due to the adoption of the invention, valuable call path resources are saved, and operation cost of operators is lowered because a settlement system needs not to be established between the two international operators.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of prepaid user's international roaming method and apparatus.
Background technology
Prepayment service (PPS, Pre-Paid Service) is the business of typical " paying the fees the back service earlier ", that is, when the user contracted PPS, Virtual network operator distributed an only number of the account corresponding with its Subscriber Number.The all costs of the phone call of PPS user all will be deducted from this number of the account.In case Sorry, your ticket has not enough value or exceed the time limit for number of the account, network will be refused to supplement with money to number of the account until the user for this user provides communication service.International roaming service based on mobile network is meant at ownership place public land mobile radio communication (HPLMN, Home PublicLand Mobile-communication Network) user that registration is used in, after arriving the another one country, still can in visit ground public land mobile radio communication (VPLMN, Visiting PublicLand Mobile-communication Network), obtain and its telecommunications service identical in HPMN.
Prepaid user's international roaming that prior art provides is based on Camel application protocol (CAP, CamelApplication Protocol), for example, and standard C AP2/CAP3 agreement etc.When PPS user roams to other countries or area (visit ground), (the MSC of mobile switching centre of VPLMN, Mobile Switch Center) service control point (SCP of triggering PPS user ascription area, Service Control Point), by the signaling process of a series of complexity, finish call proceeding.In above-mentioned existing international roaming service, MPLMN handles the national charging center that this PPS user's charge information is passed to VPLMN, and then, charge and settle accounts in the national charging center that regularly is sent to HPLMN.Suppose that caller is portable terminal a (MSa), called is portable terminal b (MSb), promptly roam to the PPS user of VPLMN, the GMSC/ISC place of the GMSC/ISC of the VPLMN that then caller (MSa) is chargeed at caller ownership place mobile switching centre (MSCa), called (MSb), the HPLMN of called (MSb) finishes.The charging of called (MSb) is finished at the GMSC/ISC place of the VPLMN of GMSC/ISC, the MSb of the HPLMN of MSC/VLRb, MSb.That is to say that the operator of two worlds is according to settling accounts at the ticket of VPLMN, GMSC/ISC and HPLMN.
In the above-mentioned existing P PS user international roaming scheme, owing to there is the process of a disbursement and sattlement, need set up settlement system between two international operator, therefore, operation cost improves greatly; Secondly, need the signaling butt joint between HPLMN and the VPLMN, because butt joint relates to different intelligent net systems and different MSC or the like, the butt joint difficulty is big, cost is high.For example, when getting PPS user's roaming information, signaling need make a circulation to obtain roaming number to its ownership place register (HLR, Home Location Register), and the speech channel handshaking procedure is extremely complicated, waste a large amount of valuable signaling and traffic resources.
Summary of the invention
The embodiment of the invention provides a kind of prepaid user's international roaming method and apparatus, to simplify the signaling butt joint between the international operator, avoids numerous and diverse disbursement and sattlement process.
The embodiment of the invention provides a kind of prepaid user's international roaming method, comprise: prepayment service PPS user ascription area moving exchanging center MSC uses the particular number that described PPS user is provided with will be to described PPS user's Call Forwarding ownership place first service control point (SCP) to described PPS user, and a described SCP stores the incidence relation of described PPS user ascription area number and visit ground number;
Described PPS user ascription area MSC routes to described PPS user visiting ground GMSC (gateway mobile switching center) GMSC according to the described PPS user visiting ground number that a described SCP returns with described calling, so that described GMSC triggers the call proceeding to described PPS user;
Described PPS user ascription area MSC finishes the back at call business and reports charge information to described PPS user's ownership place second service control point (SCP), so that the preceding commentaries on classics expense that described the 2nd SCP produces when changeing described calling to a described SCP before collecting.
The embodiment of the invention provides a kind of prepaid user's international roaming method, comprising: prepayment service PPS user's ownership place service control point (SCP) with described PPS user's ownership place number with store after visit ground number is related;
The calling of changeing before the ownership place moving exchanging center MSC of described PPS user's ownership place SCP according to described PPS user to described PPS user, return described PPS user's visit ground number to described PPS user's ownership place MSC, make behind described PPS user's the visit ground GMSC (gateway mobile switching center) GMSC described visit ground GMSC trigger call proceeding described PPS user so that described PPS user's ownership place MSC routes to described calling.
The embodiment of the invention provides a kind of prepaid user's international roaming method, comprise: the calling to described PPS user that prepayment service PPS user's visit ground GMSC (gateway mobile switching center) GMSC comes according to described PPS user's ownership place moving exchanging center MSC route, trigger the called flow of described PPS user visiting ground number;
The start detection point IDP message that described PPS user's visit ground GMSC will comprise the described PPS user's of caller calling number and described PPS user visiting ground number is sent to described PPS user's service control point (SCP), visit ground, described calling number interpolation be used to identify described PPS user visit SCP described PPS user is collected the special prefix of special rate;
Described PPS user's visit ground GMSC continues described PPS user visiting ground number to described PPS user's visit ground moving exchanging center MSC according to the signaling information that described PPS user's visit ground SCP returns, so that the MSC triggering of described PPS user's visit ground is to described PPS user's call proceeding;
Described PPS user's visit ground GMSC finishes the back at call business and reports charge information to described PPS user's visit ground SCP, so that described PPS user's visit ground SCP collects called expense to described PPS user.
The embodiment of the invention provides a kind of prepaid user's international roaming device, and described device is a prepayment service PPS user ascription area moving exchanging center MSC, and described PPS user ascription area MSC comprises:
Preceding revolving die piece, be used to use the particular number that PPS user is provided with will be to described PPS user's Call Forwarding ownership place first service control point (SCP) to described PPS user, a described SCP stores the incidence relation of described PPS user ascription area number and visit ground number;
Call routing module, the described PPS user visiting ground number that is used for returning according to a described SCP routes to described PPS user visiting ground GMSC (gateway mobile switching center) GMSC with described calling, so that described GMSC triggers the call proceeding to described PPS user;
Before change the cost information reporting module, be used for finishing the back and report charge information, so that the preceding commentaries on classics expense that described the 2nd SCP produces when changeing described calling to a described SCP before collecting to described PPS user's ownership place second service control point (SCP) at call business.
The embodiment of the invention provides a kind of prepaid user's international roaming device, and described device is prepayment service PPS user's ownership place service control point (SCP), and described PPS user's ownership place service control point (SCP) comprises:
Relating module, be used for described PPS user's ownership place number with store after visit ground number is related;
Return module, be used for the calling changeed before the ownership place moving exchanging center MSC according to described PPS user to described PPS user, return described PPS user's visit ground number to described PPS user's ownership place MSC, make behind described PPS user's the visit ground GMSC (gateway mobile switching center) GMSC described visit ground GMSC trigger call proceeding described PPS user so that described PPS user's ownership place MSC routes to described calling.
The embodiment of the invention provides a kind of prepaid user's international roaming device, and described device is prepayment service PPS user's visit ground GMSC (gateway mobile switching center) GMSC, and described PPS user's visit ground GMSC (gateway mobile switching center) GMSC comprises:
Visit ground number called flow trigger module is used for the calling to described PPS user of coming according to described PPS user's ownership place moving exchanging center MSC route, triggers the called flow of described PPS user visiting ground number;
Message transmission module, the start detection point IDP message that is used for comprising the described PPS user's of caller calling number and described PPS user visiting ground number is sent to described PPS user's service control point (SCP), visit ground, and described calling number is added the visit ground SCP that is used to identify described PPS user collects special rate to described PPS user special prefix;
Connecting module, the signaling information that is used for returning according to described PPS user's visit ground SCP continues described PPS user visiting ground number to described PPS user's visit ground moving exchanging center MSC, so that the MSC triggering of described PPS user's visit ground is to described PPS user's call proceeding;
Called cost information reporting module is used for finishing the back at call business and reports charge information to described PPS user's visit ground SCP, so that described PPS user's visit ground SCP collects called expense to described PPS user.
From the invention described above embodiment as can be known, owing to the calling to prepayment service PPS user unconditionally before can be gone to the service control point (SCP) that one of this PPS user ascription area stores the incidence relation of this PPS user ascription area number and visit ground number, and the PPS user visiting ground number that PPS user ascription area MSC returns according to a SCP routes the call to PPS user visiting ground GMSC (gateway mobile switching center) GMSC, by the call proceeding of GMSC triggering to PPS user, therefore, on the one hand, the ownership place calling subscriber need not to know PPS user's visit ground number, can realize call proceeding as long as dial PPS user's ownership place number to this PPS user, be very easy to the calling of ownership place caller to PPS user, and, calling to PPS user does not have a large amount of signaling butt joints yet, thereby removed complicated speech channel handshaking procedure from, saved valuable traffic resource; On the other hand, after call business finishes is that PPS user ascription area MSC reports charge information to this PPS user's ownership place second service control point (SCP), the preceding commentaries on classics expense that produces when collecting Call Forwarding to PPS user's ownership place the one SCP by PPS user's ownership place the 2nd SCP, change the operator that disbursement and sattlement does not relate to visit ground before this, therefore, need between two international operator, not set up settlement system, thereby greatly reduce operating cost of operator.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, to do to introduce simply to the accompanying drawing of required use in prior art or the embodiment description below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those skilled in the art, can also obtain other accompanying drawing based on the accompanying drawing that the embodiment of the invention provides.
Fig. 1 is prepaid user's international roaming method flow schematic diagram that the embodiment of the invention provides;
Fig. 2 is prepaid user's international roaming method flow schematic diagram that another embodiment of the present invention provides;
Fig. 3 is prepaid user's international roaming method flow schematic diagram that another embodiment of the present invention provides;
Fig. 4 is prepaid user's international roaming method flow that another embodiment of the present invention provides, and mainly comprises step;
Fig. 5-a is the interaction flow schematic diagram between each node/equipment in prepaid user's international roaming method of providing of the embodiment of the invention;
Fig. 5-b is the interaction flow schematic diagram between each node/equipment in prepaid user's international roaming method of providing of the embodiment of the invention;
Fig. 6 is prepaid user's international roaming device logical construction schematic diagram that the embodiment of the invention provides;
Fig. 7 is prepaid user's international roaming device logical construction schematic diagram that another embodiment of the present invention provides;
Fig. 8 is prepaid user's international roaming device logical construction schematic diagram that another embodiment of the present invention provides;
Fig. 9 is prepaid user's international roaming device logical construction schematic diagram that another embodiment of the present invention provides;
Figure 10 is prepaid user's international roaming device logical construction schematic diagram that another embodiment of the present invention provides;
Figure 11 is prepaid user's international roaming device logical construction schematic diagram that another embodiment of the present invention provides;
Figure 12 is prepaid user's international roaming device logical construction schematic diagram that another embodiment of the present invention provides;
Figure 13 is prepaid user's international roaming device logical construction schematic diagram that another embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is further elaborated, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those skilled in the art obtained belongs to the scope of protection of the invention.
Seeing also accompanying drawing 1, is prepaid user's international roaming method flow schematic diagram that the embodiment of the invention provides, and mainly comprises step:
S101, prepayment service PPS user ascription area moving exchanging center MSC uses the particular number that this PPS user is provided with will be to this PPS user's Call Forwarding ownership place first service control point (SCP) to this PPS user, and a SCP stores the incidence relation of this PPS user ascription area number and visit ground number.
In embodiments of the present invention, particular number is that PPS user roams to a number that is set by the user before the visit ground from ownership place, the particularity of this number is: as long as PPS user ascription area moving exchanging center MSC is received the calling to PPS user, then should call out before unconditionally and change (Forward) service control point (SCP, Service Control Point) to the PPS user ascription area.SCP is the core component of intelligent network, its storaging user data and service logic.The major function of SCP is to receive Query Information and the Query Database that Service Switching Point (SSP, Service Switching Point) is sent here, carries out various decodings; Simultaneously, SCP starts different service logics according to the call event of offering on the SSP, sends the calling control command according to service logic to corresponding SSP, thereby realizes various intelligent calls.In other words, SCP is an entity node of physical plane, be used to realize the service control function (SCF of distributed functional plane, Service ControlFunction), that is, receive an IN service call information that the exchange layer reports, analyze operation flow, operating database, issue control command to the exchange layer with receive the management etc. of business management system.
For with the embodiment of the invention in other SCP distinguish, the present invention will be to PPS user's calling by the purpose service control point (SCP) called after PPS user's who changes before unconditionally ownership place the one SCP.In embodiments of the present invention, PPS user's ownership place the one SCP stores the incidence relation of PPS user ascription area number and visit ground number.
S102, PPS user ascription area MSC routes the call to this PPS user visiting ground GMSC (gateway mobile switching center) GMSC according to the PPS user visiting ground number that PPS user's ownership place the one SCP returns, so that this GMSC triggers the call proceeding to this PPS user.
As previously mentioned, because PPS user's ownership place the one SCP stores the incidence relation of PPS user ascription area number and visit ground number, therefore, when PPS user's ownership place the one SCP receives calling to PPS user, can return this PPS user's visit ground number to PPS user ascription area MSC.PPS user's visit ground number is that PPS is when roaming to a visit ground, by visit ground public land mobile radio communication (VPLMN, Visiting Public Land Mobile-communication Network) system is the interim call number of distributing of this PP S user, this VPLMN system is similar for the interim mobile station roaming number (MSRN, Mobile Station RoamingNumber) that distributes of this general user when roaming to a visit ground with the general user.In embodiments of the present invention, the PPS user visiting ground number that returns of PPS user's ownership place the one SCP comprises the national code or the area code on PPS user visiting ground.The PPS user visiting ground number that PPS user ascription area MSC returns according to PPS user's ownership place the one SCP, to route to PPS user visiting ground GMSC (gateway mobile switching center) (GMSC to PPS user's calling, Gateway Mobile SwitchingCenter), so that this GMSC triggers the call proceeding to PPS user.
S103, PPS user ascription area MSC finishes the back at call business and reports charge information to PPS user's ownership place second service control point (SCP) so that PPS user's ownership place the 2nd SCP change before collecting to PPS user call out ownership place the one SCP to PPS user the time the preceding commentaries on classics expense that produces.
After call business finished, PPS user ascription area MSC can report charge information to PPS user's ownership place second service control point (SCP).Particularly, this charge information can be Apply Charging Report (ACR, Apply Charging Report), is sent to ownership place second service control point (SCP) with the signaling form.PPS user's ownership place the 2nd SCP is according to information such as the duration of call among the ACR, numbers of calling and called parties and charged parties, collects the preceding commentaries on classics expense that produces with to PPS user's calling ACR to PPS user's ownership place the one SCP the time.
From the invention described above embodiment as can be known, owing to the calling to prepayment service PPS user unconditionally before can be gone to the service control point (SCP) that one of this PPS user ascription area stores the incidence relation of this PPS user ascription area number and visit ground number, and the PPS user visiting ground number that PPS user ascription area MSC returns according to a SCP routes the call to PPS user visiting ground GMSC (gateway mobile switching center) GMSC, by the call proceeding of GMSC triggering to PPS user, therefore, on the one hand, the ownership place calling subscriber need not to know PPS user's visit ground number, can realize call proceeding as long as dial PPS user's ownership place number to this PPS user, be very easy to the calling of ownership place caller to PPS user, and, calling to PPS user does not have a large amount of signaling butt joints yet, thereby removed complicated speech channel handshaking procedure from, saved valuable traffic resource; On the other hand, after call business finishes is that PPS user ascription area MSC reports charge information to this PPS user's ownership place second service control point (SCP), the preceding commentaries on classics expense that produces when collecting Call Forwarding to PPS user's ownership place the one SCP by PPS user's ownership place the 2nd SCP, change the operator that disbursement and sattlement does not relate to visit ground before this, therefore, need between two international operator, not set up settlement system, thereby greatly reduce operating cost of operator.
Seeing also accompanying drawing 2, is prepaid user's international roaming method flow schematic diagram that another embodiment of the present invention provides, and mainly comprises step:
S201, PPS user ascription area MSC receive the Terminating CAMEL Subscription Information of particular number by the preceding turn of tidal stream journey that triggers this PPS user ascription area number.
Particularly, after PPS user ascription area MSC received calling to PPS user, signaling was sent to PPS user ascription area register (HLR, Home Location Register) will " to send routing iinformation (SRI, Sending Routing Information) ".(CAMEL is used in the customization that PPS user HLR finds to have contracted this PPS user the mobile network strengthens logic, Customized Application for Mobile networkEnhanced Logic) business is then returned PPS user's Terminating CAMEL Subscription Information (T_CSI) to PPS user ascription area MSC.PPS user ascription area MSC is according to the called flow of T_CSI triggering PPS user ascription area number, and " start detection point (IDP, Initial Detect the Point) " message that will comprise PPS user ascription area number is sent to PPS user's ownership place the 2nd SCP; Afterwards, " request report BCSM incident (RRBE; Request ReportBSCM Event) " and the preceding turn of tidal stream journey of triggering such as " Continue " signaling message PPS user ascription area number that PPS user ascription area MSC returns according to PPS user's ownership place the 2nd SCP, that is, triggering will be to PPS user's the Call Forwarding flow process to PPS user's ownership place the one SCP; When PPS user ascription area MSC once more after another HLR of PPS user ascription area sends the SRI signaling, this another HLR returns the Terminating CAMEL Subscription Information of particular number, PPS user ascription area MSC receives the Terminating CAMEL Subscription Information of this particular number.
S202, PPS user ascription area MSC triggers the called flow of this particular number according to the Terminating CAMEL Subscription Information of particular number, and the start detection point IDP message that will comprise PPS user ascription area number is sent to PPS user's ownership place the one SCP.
In embodiments of the present invention, PPS user ascription area MSC comprises the particular number of PPS user ascription area number and PPS user's setting to the IDP message of PPS user's ownership place the one SCP transmission.
S203, PPS user ascription area MSC routes the call to this PPS user visiting ground GMSC (gateway mobile switching center) GMSC according to the PPS user visiting ground number that PPS user's ownership place the one SCP returns, so that this GMSC triggers the call proceeding to this PPS user.
In embodiments of the present invention, the PPS user visiting ground number that returns of PPS user's ownership place the one SCP comprises the national code or the area code on PPS user visiting ground.PPS user ascription area MSC can will route to PPS user visiting ground GMSC to PPS user's calling according to the national code or the area code on the PPS user visiting ground in the PPS user visiting ground number that returns, so that this GMSC triggers the call proceeding to PPS user.
S204, PPS user ascription area MSC finishes the back at call business and reports charge information to PPS user's ownership place second service control point (SCP) so that PPS user's ownership place the 2nd SCP change before collecting to PPS user call out ownership place the one SCP to PPS user the time the preceding commentaries on classics expense that produces.
Seeing also accompanying drawing 3, is prepaid user's international roaming method flow that another embodiment of the present invention provides, and mainly comprises step:
S301, prepayment service PPS user's ownership place service control point (SCP) with this PPS user's ownership place number with store after visit ground number is related.
In embodiments of the present invention, when PPS user roams to visit ground, can pass through some Self-Services, for example, by Interactive Voice Response (IVR, Interaction Voice Response) system, unstructured supplementary service data (USSD, self-service modes such as system or short message service Unstructured Supplementary Service Data) (SMS, Short Message Service) system with this PPS user's visit ground number and ownership place number registration to PPS user's ownership place SCP.After PPS user's ownership place SCP receives log-on message, with this PPS user's ownership place number with store after visit ground number is related.For example, PPS user's ownership place SCP sets up a kind of mapping relations with this PPS user's ownership place number and visit ground number, for example, stores after forming a mapping table.
S302, the calling of changeing before the ownership place moving exchanging center MSC of PPS user's ownership place SCP according to this PPS user to PPS user, return this PPS user's visit ground number to PPS user's ownership place MSC, make behind PPS user's the visit ground GMSC (gateway mobile switching center) GMSC visit ground GMSC trigger call proceeding PPS user so that PPS user's ownership place MSC routes the call to.
The PPS user's that PPS user's ownership place SCP returns according to PPS user's ownership place MSC ownership place number inquires this PPS user's visit ground number by query mappings table (having characterized the mapping relations of PPS user's ownership place number and visit ground number).
In order to distinguish calling to PPS user is from the calling of PPS user ascription area or from the calling on PPS user visiting ground, thereby whether decision collects special rate to PPS user, in embodiments of the present invention, after PPS user's ownership place SCP adds special prefix and PPS user's visit ground national code with PPS user's visit ground number, be sent to PPS user's ownership place MSC by the Connect signaling, the visit ground SPC that this special prefix is used to identify PPS user collects special rate to PPS user.
Seeing also accompanying drawing 4, is prepaid user's international roaming method flow that another embodiment of the present invention provides, and mainly comprises step:
S401, the calling that prepayment service PPS user's visit ground GMSC (gateway mobile switching center) GMSC comes according to PPS user's ownership place moving exchanging center MSC route, the called flow of triggering PPS user visiting ground number to this PPS user.
At first, PPS user's visit ground GMSC receives the PPS user visiting ground number of PPS user's ownership place MSC transmission, and the PPS user visiting ground number that receive this moment has a special prefix.Afterwards, PPS user's visit ground GMSC removes the special prefix in the PPS user visiting ground number, sends one " sending routing iinformation (SRI, Send RoutingInformation) " to the attaching position register HLR on PPS user visiting ground.SRI is a request class message, is used for obtaining PPS user's User Status and CAMEL-Subscription-Information etc. to HLR.Afterwards, PPS user's visit ground GMSC receives the CAMEL-Subscription-Information of the PPS user visiting ground number that the HLR on PPS user visiting ground returns.PPS user's visit ground GMSC triggers the called flow of PPS user visiting ground number according to the CAMEL-Subscription-Information of PPS user visiting ground number.
S402, the start detection point IDP message that PPS user's visit ground GMSC will comprise caller PPS user's calling number and PPS user visiting ground number be sent to this PPS user visit the service control point (SCP), wherein, calling number is added the visit ground SPC be used to identify PPS user collects special rate to PPS user special prefix.
S403, PPS user's visit ground GMSC continues PPS user visiting ground number to PPS user's visit ground moving exchanging center MSC according to the signaling information that PPS user's visit ground SCP returns, so that the MSC triggering of this PPS user's visit ground is to PPS user's call proceeding.
The signaling information that PPS user's visit ground GMSC reception PPS user's visit ground SCP returns, these signaling informations comprise RRBE, Apply Charging (AC, Apply Charging) and Continue or the like.Signaling informations such as RRBE, AC that PPS user's visit ground GMSC returns according to PPS user's visit ground SCP and Continue, attaching position register HLR to PPS user visiting ground sends SRI information once more, receives the PPS user visiting ground number that this HLR returns.PPS user's visit ground GMSC is sent to PPS user's visit ground MSC with PPS user visiting ground number, PPS user's visit MSC finish call proceeding to PPS user.
S404, PPS user's visit ground GMSC finish the back at call business and report charge information to PPS user's visit ground SCP, so that PPS user's visit ground SCP collects called expense to this PPS user.
After call business finished, PPS user's visit ground GMSC can report charge information to PPS user's ownership place SCP.Particularly, this charge information can be ACR, is sent to ownership place SCP with the signaling form.PPS user's ownership place SCP collects called expense according to information such as the duration of call among the ACR, numbers of calling and called parties and charged parties to this PPS user.
Seeing also Fig. 5-a and Fig. 5-b, is the interaction flow schematic diagram between each node/equipment in prepaid user's international roaming method of providing of the embodiment of the invention, and wherein, the flow process of Fig. 5-b example continues after the flow process of Fig. 5-b example.In Fig. 5-a and Fig. 5-b illustrated embodiment, a scene of supposing is that certain PPS user (for example roams to visit ground, the area, Hong-Kong), the user A of PPS user ascription area wherein relates to MSC, the SCP of PPS user ascription area and GMSC, SCP, MSC and the HLR on HLR and PPS user visiting ground or the like this PPS user ascription area caller PPS user.In the interaction flow of accompanying drawing 5 examples, the MSC of PPS user ascription area uses MSCa to represent, the one SCP of PPS user ascription area and the 2nd SCP use SCPc and SCPb to represent respectively, two HLR of PPS user ascription area use HLRb and HLRc to represent respectively, SCP, the MSC on PPS user visiting ground and HLR use SCPd, MSCd and HLRd to represent respectively, and main interaction flow is as follows:
S501, the MSC of PPS user ascription area sends SRI information to the HLRb of PPS user ascription area;
The calling subscriber A of PPS user ascription area directly dials PPS user's ownership place number (being assumed to be 13512345678), after the MSC of PPS user ascription area receives this calling, sends the HLRb of SRI information to this PPS user ascription area.
S502, HLRb return PPS user's the professional Terminating CAMEL Subscription Information (T_CSI) of CAMEL to the MSC of PPS user ascription area;
For (CAMEL is used in the customization of supporting the mobile network to strengthen logic, CustomizedApplication for Mobile network Enhanced Logic) business, in embodiments of the present invention, the HLRb storage of PPS user ascription area is moved and is initiated (O, Originate) and Mobile Termination (T, Terminate) CAMEL business information (CSI, CAMEL Service Information) and supplementary service CAMEL business information (SS-CSI, Supplementary Service for CAMEL Service Information).When the mobile subscriber carried out that the position is upgraded or O-CSI changes, HLR was sent to VLR with O-CSI; When HLR receives the information (for example, SRI etc.) of inquiry route, O/T-CSI is returned to MSC/GMSC; When the mobile subscriber carried out that the position is upgraded or SS-CSI changes, HLR was sent to VLR with SS-CSI.In embodiments of the present invention, when the HLRb of PPS user ascription area receives the SRI that the MSC of PPS user ascription area sends and finds that PPS user has contracted the CMAEL called service, then return PPS user's T_CSI to the MSC of PPS user ascription area.
S503, the MSC of PPS user ascription area triggers the called flow of PPS user ascription area number;
SCP address (being the address of the 2nd SCP here), service key and trigger detection point etc. that the MSC of PPS user ascription area comprises according to the T_CSI that returns, the called flow of triggering PPS user ascription area number.
S504, the MSC of PPS user ascription area sends IDP message to the 2nd SCP of PPS user ascription area;
The MSC of PPS user ascription area is according to the address of the 2nd SCP of PPS user ascription area, sends IDP message to the 2nd SCP of PPS user ascription area, and this IDP message comprises the number of calling subscriber A of PPS user ascription area and PPS user's ownership place number.If the MSC of PPS user ascription area has the service switching point function, then the MSC of PPS user ascription area also is placed on the trunk code of its present position in Location Area Identity (Location Number) parameter in the IDP message.
S505, the 2nd SCP of PPS user ascription area returns RRBE and Continue signaling to the MSC of PPS user ascription area;
" request report Basic Call State Model BCSM (BCSM; Basic Call State Model) incident (RRBE; Request Report BCSM Event) " signaling mainly comprises test point (DP, Detect Point) type and the DP condition of needs configuration, and a RRBE can dispose a plurality of DP.The 2nd SCP of PPS user ascription area returns RRBE to the MSC of PPS user ascription area, be intended to ask the MSC dynamic-configuration DP of PPS user ascription area, when running into these DP points in the MSC of the user ascription area calling procedure afterwards, can report two SCP of call information to the PPS user ascription area.RRBE is that the 2nd SCP controlling call of PPS user ascription area has been created condition.
The preceding turn of tidal stream journey that " RRBE " that S506, PPS user ascription area MSC return according to PPS user's ownership place the 2nd SCP and signaling messages such as " Continue " trigger PPS user ascription area number;
That is, trigger will be to PPS user's the Call Forwarding flow process to PPS user's ownership place the one SCP for PPS user ascription area MSC.
S507, PPS user ascription area MSC sends IDP message to PPS user's ownership place the 2nd SCP;
This IDP message comprises the particular number (being assumed to be 9999) of number, PPS user ascription area number and the PPS user's setting of the calling subscriber A of PPS user ascription area.
S508, PPS user's ownership place the 2nd SCP returns RRBE, AC and Continue signaling to PPS user ascription area MSC;
S509, PPS user ascription area MSC sends SRI to the HLRc of PPS user ascription area;
PPS user ascription area MSC sends SRI to the HLRc of PPS user ascription area, is intended to ask the routing address of particular number, is about to particular number and routes to which SCP.
S510, the HLRc of PPS user ascription area return the professional Terminating CAMEL Subscription Information (T_CSI) of CAMEL of particular number to PPS user ascription area MSC;
When the HLRc of PPS user ascription area finds that the particular number of PPS user's setting has been contracted the CMAEL called service, then return the professional Terminating CAMEL Subscription Information (T_CSI) of CAMEL of particular number to PPS user ascription area MSC, the routing address that comprises particular number among this T_CSI, that is the address of PPS user's ownership place the one SCP.
S511, PPS user ascription area MSC triggers the called flow of particular number;
S512, PPS user ascription area MSC sends IDP message to PPS user's ownership place the one SCP;
The address of the PPS user's that PPS user ascription area MSC comprises according to T_CSI ownership place the one SCP, ownership place the one SCP to PPS user sends IDP message, and this IDP message comprises the number of the calling subscriber A of PPS user ascription area, PPS user's ownership place number and the particular number that PPS user is provided with.
S513, PPS user's ownership place the one SCP inquire this PPS user's visit ground number;
As previously mentioned, PPS user roams to when ground visit, can by the Self-Service such as IVR, USSD or SMS with this PPS user's visit number (being assumed to be 65012345) and ownership place number registration to PPS user's an ownership place SCP.After PPS user's ownership place SCP receives log-on message, with this PPS user's ownership place number with store after visit ground number is related.For example, PPS user's ownership place SCP sets up a kind of mapping relations with this PPS user's ownership place number and visit ground number, for example, stores after forming a mapping table.Therefore, the PPS user's that PPS user's ownership place the one SCP can return according to PPS user's ownership place MSC ownership place number inquires this PPS user's visit ground number by query mappings table (having characterized the mapping relations of PPS user's ownership place number and visit ground number).
S514, PPS user's ownership place the one SCP are sent to PPS user's visit ground number PPS user's ownership place MSC by the Connect signaling;
In order to distinguish calling to PPS user is from the calling of PPS user ascription area or from the calling on PPS user visiting ground, thereby whether decision collects special rate to PPS user, in embodiments of the present invention, concrete scheme is: PPS user's ownership place the one SCP PPS user's visit ground number is added special prefix (being assumed to be 111) and PPS user visit behind the national code, obtain a new PPS user's visit ground number, for example, 037 (visit ground national code)+111 (special prefix)+65012345 (the visit ground number of PPS user's registration), be sent to PPS user's ownership place MSC by the Connect signaling, the visit ground SCP that special prefix 111 is used to identify PPS user collects special rate to PPS user.
S515, PPS user's ownership place MSC route the call to PPS user's visit ground GMSC (gateway mobile switching center) GMSC;
In the present embodiment, PPS user's ownership place MSC routes the call to PPS user's visit ground GMSC according to PPS user's visit ground national code.
S516, PPS user's visit ground GMSC sends SRI to the attaching position register HLRd on PPS user visiting ground;
PPS user's visit ground GMSC removes the special prefix of PPS user's visit ground number, home location register HLRd to PPS user visiting ground sends SRI, be intended to ask the routing address of PPS user's visit ground number, which SCP the visit ground number that is about to PPS user routes to.
S517, the attaching position register on PPS user visiting ground return the CAMEL called service CAMEL-Subscription-Information (T_CSI) of PPS user visiting ground number to PPS user's visit ground GMSC;
HLRd finds PPS user's the visit ground number CAMEL called service of having contracted, then return the CAMEL called service CAMEL-Subscription-Information (T_CSI) of PPS user visiting ground number to PPS user's visit ground GMSC, the routing address that has wherein comprised PPS user's visit ground number, that is the address of the SCP on PPS user visiting ground (SCP d).
S518, PPS user's visit ground GMSC triggers the called flow of PPS user's visit ground number;
S519, PPS user's visit ground GMSC sends IDP message to the SCP on PPS user visiting ground;
Before the special prefix that the visit ground SPC (SPCd) that PPS user's visit ground GMSC will be used to identify PPS user collects special rate to PPS user is added into caller PPS user's calling number, together with PPS user visiting ground number, be sent to the SCP on PPS user visiting ground by IDP message.
S520, the SCP on PPS user visiting ground returns signalings such as RRBE, AC and Continue to PPS user's visit ground GMSC;
S521, PPS user's visit ground GMSC sends SRI to the attaching position register (HLRd) on PPS user visiting ground once more;
S522, the PPS user's that the attaching position register on PPS user's GMSC reception user visiting ground, visit ground returns visit ground number;
S523, PPS user's visit ground GMSC are sent to PPS user visiting ground number PPS user's visit ground MSC;
PPS user's visit ground GMSC is sent to PPS user's visit ground MSC by " initialization address message (IAM; Initial AddressMessage) " signaling with PPS user visiting ground number, PPS user's visit MSC finish call proceeding to PPS user.
S524, PPS user's ownership place MSC sends the ERB signaling to PPS user's ownership place the 2nd SCP;
When calling subscriber's on-hook of PPS user ascription area, PPS user's ownership place MSC sends " BCSM event report (ERB, Event Report BCSM) " signaling to PPS user's ownership place the 2nd SCP.
S525, PPS user's ownership place the 2nd SCP sends the RC signaling to PPS user's ownership place MSC;
PPS user's ownership place MSC discharges the resource that this time calling takies after receiving " call release (RC, Release Call) " signaling.
S526, PPS user's ownership place MSC returns ACR and ERB to PPS user's ownership place the 2nd SCP;
Apply Charging Report (the Apply Charging Report that PPS user's ownership place MSC returns to PPS user's ownership place the 2nd SCP, ACR) mainly comprise the conversation zero hour, finish time, the duration of call, calling number, called number, charged party and charging way etc., PPS user's ownership place the 2nd SCP collects the preceding commentaries on classics expense that produces during to PPS user's ownership place the one SCP to PPS user's Call Forwarding according to these information.
S527, PPS user's visit ground GMSC reports ACR and ERB to the SCP on PPS user visiting ground;
The SCP (SCPd) on PPS user visiting ground collects called expense according to information such as the duration of call among the ACR, numbers of calling and called parties and charged parties to this PPS user, issues the RC signaling.
Seeing also Fig. 6, is a kind of prepaid user's international roaming device logical construction schematic diagram that the embodiment of the invention provides.This device can be a prepayment service PPS user ascription area moving exchanging center MSC.For convenience of explanation, only show the part relevant with the embodiment of the invention.Device shown in Figure 6 comprises preceding revolving die piece 601, call routing module 602 and preceding commentaries on classics cost information reporting module 603, wherein:
Preceding revolving die piece 601, be used to use the particular number that PPS user is provided with will be to described PPS user's Call Forwarding ownership place first service control point (SCP) to described PPS user, a described SCP stores the incidence relation of described PPS user ascription area number and visit ground number;
Call routing module 602, be used for the described PPS user visiting ground number that ownership place the one SCP according to described PPS user returns described calling is routed to described PPS user visiting ground GMSC (gateway mobile switching center) GMSC, so that described GMSC triggers the call proceeding to described PPS user;
Before change cost information reporting module 603, be used for finishing the back and report charge information, so that the preceding commentaries on classics expense that described the 2nd SCP produces when changeing described calling to a described SCP before collecting to described PPS user's ownership place second service control point (SCP) at call business.
The turn of tidal stream journey triggered submodule 701 and called flow triggers submodule 702 before revolving die piece 601 further comprised before shown in Figure 6, as shown in Figure 7 prepaid user's international roaming device of providing of another embodiment of the present invention.Wherein:
Preceding turn of tidal stream journey triggers submodule 701, is used for receiving by the preceding turn of tidal stream journey that triggers described PPS user ascription area number the Terminating CAMEL Subscription Information of described particular number;
Called flow triggers submodule 702, be used for triggering according to the Terminating CAMEL Subscription Information that preceding turn of tidal stream journey triggers the particular number that submodule 701 receives the called flow of described particular number, the start detection point IDP message that will comprise described PPS user ascription area number is sent to a described SCP.
The preceding turn of tidal stream journey of Fig. 7 example triggers submodule 701 and further comprises first trigger element 801, second trigger element 802 and receiving element 803, as shown in Figure 8 prepaid user's international roaming device of providing of another embodiment of the present invention.Wherein:
First trigger element 801 is used to trigger the called flow of PPS user ascription area number, and the start detection point IDP message that will comprise described PPS user ascription area number is sent to described PPS user ascription area the 2nd SCP;
Second trigger element 802 is used for triggering according to the signaling message that described PPS user ascription area the 2nd SCP returns the preceding turn of tidal stream journey of described PPS user ascription area number;
Receiving element 803 is used to receive the Terminating CAMEL Subscription Information of the described particular number that described PPS user's ownership place register returns.
Seeing also Fig. 9, is a kind of prepaid user's international roaming device logical construction schematic diagram that another embodiment of the present invention provides.This device can be prepayment service PPS user's ownership place service control point (SCP).For convenience of explanation, only show the part relevant with the embodiment of the invention.Prepaid user's international roaming device shown in Figure 9 comprises that relating module 901 returns module 902, wherein:
Relating module 901, be used for PPS user's ownership place number with store after visit ground number is related;
The module 902 of returning of Fig. 9 example further comprises query unit 1001 and sign adding device 1002, as shown in Figure 10 prepaid user's international roaming device of providing of another embodiment of the present invention.Wherein:
Sign adding device 1002, be used for described PPS user's visit ground number is added the ownership place MSC that is sent to described PPS user behind special prefix and described PPS user's the visit ground national code by the Connect signaling, the visit ground SCP that described special prefix is used to identify described PPS user collects special rate to described PPS user.
Seeing also Figure 11, is a kind of prepaid user's international roaming device logical construction schematic diagram that the embodiment of the invention provides.This device can be prepayment service PPS user's visit ground GMSC (gateway mobile switching center) GMSC.For convenience of explanation, only show the part relevant with the embodiment of the invention.Prepaid user's international roaming device of accompanying drawing 11 examples comprises visit ground number called flow trigger module 1101, message transmission module 1102, connecting module 1103 and called cost information reporting module 1104, wherein:
Visit ground number called flow trigger module 1101 is used for the calling to described PPS user of coming according to PPS user's ownership place moving exchanging center MSC route, triggers the called flow of described PPS user visiting ground number;
Connecting module 1103, the signaling information that is used for returning according to described PPS user's visit ground SCP continues described PPS user visiting ground number to described PPS user's visit ground moving exchanging center MSC, so that the MSC triggering of described PPS user's visit ground is to described PPS user's call proceeding;
Called cost information reporting module 1104 is used for finishing the back at call business and reports charge information to described PPS user's visit ground SCP, so that described PPS user's visit ground SCP collects called expense to described PPS user.
The visit ground number called flow trigger module 1101 of Figure 11 example further comprises receiving element 1201, first Transmit-Receive Unit 1202 and trigger element 1203.Wherein:
Receiving element 1201 is used to receive the described PPS user visiting ground number that PPS user's ownership place MSC sends;
First Transmit-Receive Unit 1202 is used for and will sends the CAMEL-Subscription-Information that routing iinformation SRI is sent to the attaching position register HLR on described PPS user visiting ground and receives the described PPS user visiting ground number that described HLR returns;
The connecting module 1103 of Figure 11 example further comprises signaling receiving element 1301, Transmit-Receive Unit 1302 and transmitting element 1303, as shown in Figure 13 prepaid user's international roaming device of providing of another embodiment of the present invention.Wherein:
Signaling receiving element 1301 is used to receive the signaling information that PPS user's visit ground SCP returns;
Transmit-Receive Unit 1302 is used for the signaling information that returns according to described PPS user's visit ground SCP, is sent to the attaching position register HLR on described PPS user visiting ground and receives the described PPS user visiting ground number that described HLR returns sending routing iinformation SRI;
Transmitting element 1303 is used for described PPS user visiting ground number is sent to described PPS user's visit ground MSC.
Need to prove, contents such as the information interaction between each module/unit of said apparatus, implementation, since with the inventive method embodiment based on same design, its technique effect that brings is identical with the inventive method embodiment, particular content can repeat no more referring to the narration among the inventive method embodiment herein.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to finish by program, this program can be stored in the computer-readable recording medium, storage medium can comprise: read-only memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc.
More than a kind of prepaid user's international roaming method and apparatus that the embodiment of the invention is provided be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (16)
1. prepaid user's international roaming method is characterized in that described method comprises:
Prepayment service PPS user ascription area moving exchanging center MSC uses the particular number that described PPS user is provided with will be to described PPS user's Call Forwarding ownership place first service control point (SCP) to described PPS user, and a described SCP stores the incidence relation of described PPS user ascription area number and visit ground number;
Described PPS user ascription area MSC routes to described PPS user visiting ground GMSC (gateway mobile switching center) GMSC according to the described PPS user visiting ground number that a described SCP returns with described calling, so that described GMSC triggers the call proceeding to described PPS user;
Described PPS user ascription area MSC finishes the back at call business and reports charge information to described PPS user's ownership place second service control point (SCP), so that the preceding commentaries on classics expense that described the 2nd SCP produces when changeing described calling to a described SCP before collecting.
2. the method for claim 1, it is characterized in that the particular number that described prepayment service PPS user ascription area moving exchanging center MSC uses described PPS user to be provided with will extremely comprise described PPS user's ownership place first service control point (SCP) described PPS user's Call Forwarding:
Described PPS user ascription area MSC receives the Terminating CAMEL Subscription Information of described particular number by the preceding turn of tidal stream journey that triggers described PPS user ascription area number;
Described PPS user ascription area MSC triggers the called flow of described particular number according to the Terminating CAMEL Subscription Information of described particular number, and the start detection point IDP message that will comprise described PPS user ascription area number is sent to a described SCP.
3. method as claimed in claim 2 is characterized in that, described PPS user ascription area MSC comprises by the Terminating CAMEL Subscription Information that the preceding turn of tidal stream journey that triggers described PPS user ascription area number receives described particular number:
Described PPS user ascription area MSC triggers the called flow of described PPS user ascription area number, and the start detection point IDP message that will comprise described PPS user ascription area number is sent to described the 2nd SCP;
The signaling message that described PPS user ascription area MSC returns according to described the 2nd SCP triggers the preceding turn of tidal stream journey of described PPS user ascription area number;
The Terminating CAMEL Subscription Information of the described particular number that the ownership place register that described PPS user ascription area MSC receives described PPS user returns.
4. prepaid user's international roaming method is characterized in that described method comprises:
Prepayment service PPS user's ownership place service control point (SCP) with described PPS user's ownership place number with store after visit ground number is related;
The calling of changeing before the ownership place moving exchanging center MSC of described PPS user's ownership place SCP according to described PPS user to described PPS user, return described PPS user's visit ground number to described PPS user's ownership place MSC, make behind described PPS user's the visit ground GMSC (gateway mobile switching center) GMSC described visit ground GMSC trigger call proceeding described PPS user so that described PPS user's ownership place MSC routes to described calling.
5. method as claimed in claim 4, it is characterized in that, the calling of changeing before the ownership place moving exchanging center MSC of described PPS user's ownership place SCP according to described PPS user to described PPS user, the visit ground number that returns described PPS user to described PPS user's ownership place MSC comprises:
Inquire described PPS user's visit ground number behind the described PPS user's that described PPS user's ownership place SCP returns according to described PPS user's ownership place MSC the ownership place number;
Described PPS user's ownership place SCP adds described PPS user's visit ground number the ownership place MSC that is sent to described PPS user behind special prefix and described PPS user's the visit ground national code by the Connect signaling, and the visit ground operator that described special prefix is used to identify described PPS user collects special rate to described PPS user.
6. prepaid user's international roaming method is characterized in that described method comprises:
The calling to described PPS user that prepayment service PPS user's visit ground GMSC (gateway mobile switching center) GMSC comes according to described PPS user's ownership place moving exchanging center MSC route triggers the called flow of described PPS user visiting ground number;
The start detection point IDP message that described PPS user's visit ground GMSC will comprise the described PPS user's of caller calling number and described PPS user visiting ground number is sent to described PPS user's service control point (SCP), visit ground, described calling number interpolation be used to identify described PPS user visit SCP described PPS user is collected the special prefix of special rate;
Described PPS user's visit ground GMSC continues described PPS user visiting ground number to described PPS user's visit ground moving exchanging center MSC according to the signaling information that described PPS user's visit ground SCP returns, so that the MSC triggering of described PPS user's visit ground is to described PPS user's call proceeding;
Described PPS user's visit ground GMSC finishes the back at call business and reports charge information to described PPS user's visit ground SCP, so that described PPS user's visit ground SCP collects called expense to described PPS user.
7. method as claimed in claim 6, it is characterized in that, the calling that described PPS user's visit ground GMSC (gateway mobile switching center) GMSC comes according to described PPS user's ownership place moving exchanging center MSC route to described PPS user, the called flow that triggers described PPS user visiting ground number comprises:
Described PPS user's visit ground GMSC receives the described PPS user visiting ground number of described PPS user's ownership place MSC transmission;
Described PPS user's visit ground GMSC will send the CAMEL-Subscription-Information that routing iinformation SRI is sent to the attaching position register HLR on described PPS user visiting ground and receives the described PPS user visiting ground number that described HLR returns;
Described PPS user's visit ground GMSC triggers the called flow of described PPS user visiting ground number according to the CAMEL-Subscription-Information of described PPS user visiting ground number.
8. method as claimed in claim 6, it is characterized in that, the signaling information that described PPS user's visit ground GMSC returns according to described PPS user's visit ground SCP with described PPS user visiting ground number continue to described PPS user's visit moving exchanging center MSC comprise:
Described PPS user's visit ground GMSC receives the signaling information that described PPS user's visit ground SCP returns;
Described PPS user's visit ground GMSC is sent to the attaching position register HLR on described PPS user visiting ground and receives the described PPS user visiting ground number that described HLR returns sending routing iinformation SRI according to the signaling information that described PPS user's visit ground SCP returns;
Described PPS user's visit ground GMSC is sent to described PPS user visiting ground number described PPS user's visit ground MSC.
9. prepaid user's international roaming device is characterized in that, described device is a prepayment service PPS user ascription area moving exchanging center MSC, and described PPS user ascription area MSC comprises:
Preceding revolving die piece, be used to use the particular number that PPS user is provided with will be to described PPS user's Call Forwarding ownership place first service control point (SCP) to described PPS user, a described SCP stores the incidence relation of described PPS user ascription area number and visit ground number;
Call routing module, the described PPS user visiting ground number that is used for returning according to a described SCP routes to described PPS user visiting ground GMSC (gateway mobile switching center) GMSC with described calling, so that described GMSC triggers the call proceeding to described PPS user;
Before change the cost information reporting module, be used for finishing the back and report charge information, so that the preceding commentaries on classics expense that described the 2nd SCP produces when changeing described calling to a described SCP before collecting to described PPS user's ownership place second service control point (SCP) at call business.
10. device as claimed in claim 9 is characterized in that, described preceding revolving die piece comprises:
Preceding turn of tidal stream journey triggers submodule, is used for receiving by the preceding turn of tidal stream journey that triggers described PPS user ascription area number the Terminating CAMEL Subscription Information of described particular number;
Called flow triggers submodule, is used for triggering according to the Terminating CAMEL Subscription Information of described particular number the called flow of described particular number, and the start detection point IDP message that will comprise described PPS user ascription area number is sent to a described SCP.
11. device as claimed in claim 10 is characterized in that, described preceding turn of tidal stream journey triggers submodule and comprises:
First trigger element is used to trigger the called flow of described PPS user ascription area number, and the start detection point IDP message that will comprise described PPS user ascription area number is sent to described the 2nd SCP;
Second trigger element is used for triggering according to the signaling message that described the 2nd SCP returns the preceding turn of tidal stream journey of described PPS user ascription area number;
Receiving element is used to receive the Terminating CAMEL Subscription Information of the described particular number that described PPS user's ownership place register returns.
12. prepaid user's international roaming device is characterized in that, described device is prepayment service PPS user's ownership place service control point (SCP), and described PPS user's ownership place service control point (SCP) comprises:
Relating module, be used for described PPS user's ownership place number with store after visit ground number is related;
Return module, be used for the calling changeed before the ownership place moving exchanging center MSC according to described PPS user to described PPS user, return described PPS user's visit ground number to described PPS user's ownership place MSC, make behind described PPS user's the visit ground GMSC (gateway mobile switching center) GMSC described visit ground GMSC trigger call proceeding described PPS user so that described PPS user's ownership place MSC routes to described calling.
13. device as claimed in claim 12 is characterized in that, the described module of returning comprises:
Query unit is used for inquiring behind the described PPS user's that the ownership place MSC according to described PPS user returns the ownership place number described PPS user's visit ground number;
The sign adding device, be used for described PPS user's visit ground number is added the ownership place MSC that is sent to described PPS user behind special prefix and described PPS user's the visit ground national code by the Connect signaling, the visit ground SCP that described special prefix is used to identify described PPS user collects special rate to described PPS user.
14. prepaid user's international roaming device is characterized in that, described device is prepayment service PPS user's visit ground GMSC (gateway mobile switching center) GMSC, and described PPS user's visit ground GMSC (gateway mobile switching center) GMSC comprises:
Visit ground number called flow trigger module is used for the calling to described PPS user of coming according to described PPS user's ownership place moving exchanging center MSC route, triggers the called flow of described PPS user visiting ground number;
Message transmission module, the start detection point IDP message that is used for comprising the described PPS user's of caller calling number and described PPS user visiting ground number is sent to described PPS user's service control point (SCP), visit ground, and described calling number is added the visit ground SCP that is used to identify described PPS user collects special rate to described PPS user special prefix;
Connecting module, the signaling information that is used for returning according to described PPS user's visit ground SCP continues described PPS user visiting ground number to described PPS user's visit ground moving exchanging center MSC, so that the MSC triggering of described PPS user's visit ground is to described PPS user's call proceeding;
Called cost information reporting module is used for finishing the back at call business and reports charge information to described PPS user's visit ground SCP, so that described PPS user's visit ground SCP collects called expense to described PPS user.
15. device as claimed in claim 14 is characterized in that, described visit ground number called flow trigger module comprises:
Receiving element is used to receive the described PPS user visiting ground number that described PPS user's ownership place MSC sends;
First Transmit-Receive Unit is used for and will sends the CAMEL-Subscription-Information that routing iinformation SRI is sent to the attaching position register HLR on described PPS user visiting ground and receives the described PPS user visiting ground number that described HLR returns;
Trigger element is used for triggering according to the CAMEL-Subscription-Information of described PPS user visiting ground number the called flow of described PPS user visiting ground number.
16. device as claimed in claim 14 is characterized in that, described connecting module comprises:
The signaling receiving element is used to receive the signaling information that described PPS user's visit ground SCP returns;
Transmit-Receive Unit is used for the signaling information that returns according to described PPS user's visit ground SCP, is sent to the attaching position register HLR on described PPS user visiting ground and receives the described PPS user visiting ground number that described HLR returns sending routing iinformation SRI;
Transmitting element is used for described PPS user visiting ground number is sent to described PPS user's visit ground MSC.
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| CN102665185A (en) * | 2012-05-11 | 2012-09-12 | 华为技术有限公司 | Method, device and system for opening call forwarding service |
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| CN102137365B (en) | 2013-11-06 |
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