WO2008125034A1 - Méthode de facturation, méthode d'acheminement et dispositif associé basé sur la portabilité des numéros - Google Patents

Méthode de facturation, méthode d'acheminement et dispositif associé basé sur la portabilité des numéros Download PDF

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Publication number
WO2008125034A1
WO2008125034A1 PCT/CN2008/070409 CN2008070409W WO2008125034A1 WO 2008125034 A1 WO2008125034 A1 WO 2008125034A1 CN 2008070409 W CN2008070409 W CN 2008070409W WO 2008125034 A1 WO2008125034 A1 WO 2008125034A1
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WO
WIPO (PCT)
Prior art keywords
user
routing
information
request message
network
Prior art date
Application number
PCT/CN2008/070409
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English (en)
French (fr)
Inventor
Li Zhang
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to BRPI0810183-3A2A priority Critical patent/BRPI0810183A2/pt
Priority to EP08715145A priority patent/EP2117162A4/en
Publication of WO2008125034A1 publication Critical patent/WO2008125034A1/zh
Priority to US12/568,839 priority patent/US20100015946A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/2026—Wireless network, e.g. GSM, PCS, TACS

Definitions

  • the present invention relates to a number portability technology, and more particularly to a method for charging a call service and related devices, a method for charging a value-based service based on number portability, and related devices.
  • MNP Mobile Number Portability
  • MSISDN Mobile Station ISDN Number
  • MSISDN Mobile Station ISDN Number
  • MSISDN Mobile Station ISDN Number
  • the mobile phone number (called a portable number), when the user moves to another contracted network, the original phone number can still be used, so the MNP service brings a lot of convenience to the mobile user.
  • IMSI International Mobile Subscriber Identification Number
  • Routing problem In the process of MNP user communication, how to distinguish whether the user has MNP, correctly route communication signaling or communication message to the current real contracted network of the user;
  • Billing problem In the process of MNP user communication, the service side distinguishes whether the user has MNP, so as to correctly distinguish the billing for users who carry the ported in or carry out the ported out.
  • the 3GPP 22.066/23.066 protocol has given normative recommendations for the implementation of MNP services in GSM and UMTS networks.
  • the specification clearly defines and describes the basic implementation principles of MNP services, and mainly describes two MNP implementation schemes:
  • the first scheme adding similar MNP signal relay function in the network (MNP-SRF, MNP Signalling Relay Function) device and place the device between the MSC/GMSC and the HLR.
  • MNP-SRF MNP Signalling Relay Function
  • the MNP-SRP intercepts the SRI message and queries the Number Portability Database (NPDB) based on the number information carried in the message. If the number has been carried out, the RN returns the RN+MSISDN to the MSC.
  • the RN refers to the routing number.
  • the MSC forwards the call to the GMSC according to the RN information, and the GMSC forwards the call according to the RN information. Give the mobile user the current new contracted network.
  • the second solution is similar to the implementation of the first solution described above, but needs to trigger a call for a number that has been carried out to a ported out to an intelligent network (IN, Intelligent Network). After querying the NPDB by the intelligent network, Add the RN to connect the mobile subscriber's MSISDN number.
  • the embodiment of the invention provides a method for charging a call service and related devices to solve the problem of correctly charging a call service in a network environment in which an MNP service is implemented.
  • the embodiment of the present invention further provides a method for charging a value-based service based on number portability and related devices, so as to solve the problem of correctly charging various value-added services in a network environment in which MNP services are implemented.
  • the embodiment of the present invention provides a method for charging a call service, including the following steps:
  • the switching device that the post-paid calling user visits determines whether the routing number information of the called user can be obtained according to the received routing query response message; When the judgment result is yes, the routing number information is written into the bill; when the charging device recognizes that the routing number has been written in the bill, the called user is used as an out-of-network user to charge the calling user, and When the routing number is not written in the CDR, the called user is used as the user in the network to charge the calling user.
  • the embodiment of the present invention further provides a switching device, including, when the post-paid calling user calls the called user, determining, according to the received routing query response message, whether the routing number information of the called user can be obtained; When it is determined that the routing number information can be obtained from the received route query response message, the routing number information is written into the unit of the bill.
  • the embodiment of the present invention further provides a charging device, including a unit for identifying whether routing number information is written in a bill; and when the routing number is already written in the bill, the called user is used as a network.
  • the external user charges the calling user, and when the routing number is not written in the CDR, the called user is used as a unit for charging the calling user to the calling user.
  • the embodiment of the present invention further provides a method for charging a call service, including the steps of: intercepting a request message sent by a switching device visited by a prepaid calling user to a service control point for triggering a prepaid service, the request
  • the message carries the called user information; according to the called user information query number carrying database, when the called user belongs to the out-of-network user, the queried caller routing number information is carried in the request message and then forwarded to the message
  • the service control point determines whether the routing number information of the called user can be obtained according to the received request message. When the determination result is yes, the called user is used as an out-of-network user to charge the calling user. And when the judgment result is no, the called user is charged as the in-network user to the calling user.
  • the embodiment of the present invention further provides a mobile number portability signal relay device, including: a unit for intercepting a request message for triggering a prepaid service sent by a switching device visited by a prepaid calling user to a service control point, the request The message carries the called user information; the unit for carrying the database for querying the number according to the called user information; and for carrying the queried caller's routing number information in the query when the called user belongs to the external network user The unit that forwards the request message to the service control point.
  • a mobile number portability signal relay device including: a unit for intercepting a request message for triggering a prepaid service sent by a switching device visited by a prepaid calling user to a service control point, the request The message carries the called user information; the unit for carrying the database for querying the number according to the called user information; and for carrying the queried caller's routing number information in the query when the called user belongs to the external network user The unit that forwards the request message to the service control point.
  • the embodiment of the present invention further provides a service control point, including a unit for identifying whether the routing number information of the called user can be obtained from the request message sent by the switching device visited by the prepaid calling user; When the routing information of the called user is obtained in the request message, the called user is used as the external user to charge the calling user, and when the routing number information of the called user is not obtained from the request message, the called user is called. As a unit for charging the calling user to the calling user.
  • the embodiment of the present invention further provides a method for charging a value-added service based on the number portability, including the steps of: intercepting a query request message sent by the value-added service device to the home location register for querying the received user routing information;
  • the receiving user information query number carried in the request message carries a database, and routes the query request message to a home location register in the corresponding network according to the query result; the home location register in the corresponding network feeds back the value-added service device
  • the response message of the user routing information; the value-added service device analyzes whether the routing information of the receiving user can be obtained according to the receiving user routing information carried in the received response message; and if the sending user is a prepaid user, When the routing number information of the receiving user is obtained, the obtained routing number information is carried in the charging request message and reported to the service control point; when the charging control message carries the receiving user routing number, the service control point receives user When charging the user transmits the user is outside the network, and the charging request message does not
  • the embodiment of the present invention further provides a mobile number portability signal relay device, including: a unit for intercepting a query request message sent by the value-added service device to the home location register for querying the received user routing information; And a unit for receiving a user information query number carrying database in the message; and a unit for routing the query request message to a home location register in the corresponding network according to the query result.
  • a mobile number portability signal relay device including: a unit for intercepting a query request message sent by the value-added service device to the home location register for querying the received user routing information; And a unit for receiving a user information query number carrying database in the message; and a unit for routing the query request message to a home location register in the corresponding network according to the query result.
  • the embodiment of the present invention further provides a value-added service device, including a unit for receiving routing information carried in a routing query response message sent by a home location register in a corresponding network, and analyzing whether the routing number information of the receiving user can be obtained.
  • a value-added service device including a unit for receiving routing information carried in a routing query response message sent by a home location register in a corresponding network, and analyzing whether the routing number information of the receiving user can be obtained.
  • the sending user is a prepaid user
  • the routing number information of the receiving user is analyzed, the obtained routing number information is carried in the charging request message and reported to the unit of the service control point.
  • the embodiment of the present invention further provides a service control point, including means for identifying whether the charging request message sent by the value-added service device carries the information of receiving the user routing number, and for carrying and receiving in the charging request message.
  • a service control point including means for identifying whether the charging request message sent by the value-added service device carries the information of receiving the user routing number, and for carrying and receiving in the charging request message.
  • the embodiment of the present invention further provides a method for charging a value-added service based on the number portability, including the steps of: intercepting a query request message sent by the value-added service device to the home location register for querying the received user routing information;
  • the receiving user information query number carried in the request message carries a database, and routes the query request message to a home location register in the corresponding network according to the query result;
  • the home location register in the corresponding network feeds back the value-added service device a response message of the user routing information;
  • the value-added service device analyzes whether the routing information of the receiving user can be obtained according to the receiving user routing information carried in the received response message; and if the sending user is a post-paid user,
  • the routing number information of the receiving user is analyzed, the obtained routing number information is written into the CDR; when the charging device recognizes that the routing number has been written in the CDR, the sending user is used as the external user to calculate the receiving user. Fee, and When the routing number is not
  • the embodiment of the present invention further provides a value-added service device, including a unit for receiving routing information carried in a routing query response message sent by a home location register in a corresponding network, and analyzing whether the routing number information of the receiving user can be obtained.
  • a value-added service device including a unit for receiving routing information carried in a routing query response message sent by a home location register in a corresponding network, and analyzing whether the routing number information of the receiving user can be obtained.
  • the sending user is a post-paid user
  • the routing number information of the receiving user is analyzed, the obtained routing number information is written into the unit of the bill.
  • the embodiment of the present invention further provides a method for routing a value-added service based on number portability, including the following steps:
  • the embodiment of the present invention implements a scheme for charging a call service based on an MNP service environment through a small amount of capability extension, and correspondingly implements a non-call value-added service based on the MNP service environment. Routing and billing scheme, which is better for communication networks The MNP business in the network system provides a favorable guarantee.
  • FIG. 1 is a schematic diagram of a processing procedure of a first embodiment for charging a post-paid user based on an MNP network environment
  • FIG. 2 is a schematic diagram of a processing procedure of a second embodiment for charging a post-paid user based on an MNP network environment
  • FIG. 3 is a schematic diagram of a network framework for implementing charging for prepaid users in an MNP network environment
  • FIG. 4 is a schematic diagram of a processing procedure of a first embodiment for charging a short message service and routing processing thereof.
  • FIG. 5 is a schematic diagram of a processing procedure of a second embodiment for charging a short message service and routing processing thereof.
  • the billing service can be divided into two types: charging for post-paid users and billing for pre-paid users.
  • billing for post-paid calling users is performed.
  • the switching device such as the MSC visited by the post-paid calling user determines whether the routing number information of the called user can be obtained according to the received routing query response message, and specifically, the received routing query response message is determined.
  • (SRI-ACK) carries the routing number information (RN) of the called user, wherein the SRI response message carries the RN information of the called user, that is, the called user can be obtained from the SRI response message.
  • the RN information carried in the SRI response message is written into the CDR; when the charging device (such as the BOSS system) has written the routing number in the CDR, the called user is used as the external user. The user is called to perform billing processing, and when the routing number is not written in the identified bill, the called user is used as the in-network user to the calling user. Billing process.
  • the charging device such as the BOSS system
  • FIG. 1 a first embodiment for charging a post-paid user based on an MNP network environment Schematic diagram of the process, where:
  • Step F1 the calling user initiates a call, and calls the called user, and the visited VMSC/GMSC sends an SRI message carrying the MSISDN to the corresponding home location register according to the called user information, to query the routing information of the called user.
  • the MNP-SRF between the VMSC/GMSC and the HLR intercepts the SRI message sent by the VMSC/GMSC, and performs an NPDB query operation according to the called user information carried in the SRI message.
  • the ported out, or the called user itself belongs to the external network user, adds the RN of the called user before the MSISDN number of the called user, and then carries the processed called user number information in the SRI_ACK message. Return to the VMSC/GMSC visited by the calling user;
  • Step F3 the VMSC/GMSC visited by the calling user sends the IAM message to the GMSC of the corresponding external network according to the RN carried in the SRI_ACK message, and the GMSC of the external network connects the called user;
  • Step F4 the VMSC/GMSC visited by the calling user further writes the RN information carried in the SRI_ACK message into the bill, and the charging component (such as the BOSS system) recognizes that the RN information of the called user has been written in the bill.
  • the charging component such as the BOSS system
  • FIG. 2 it is a schematic diagram of a processing procedure of a second embodiment for charging a post-paid user in an MNP network environment, where:
  • Step fl the calling user initiates a call, and calls the called user, and the visited VMSC/GMSC sends an SRI message carrying the MSISDN to the corresponding home location register according to the called user information, to query the routing information of the called user.
  • Step ⁇ / RTI> the mobile number portability signal relay device (MNP-SRF) between the VMSC/GMSC and the HLR intercepts the SRI message sent by the VMSC/GMSC, and performs an NPDB query operation according to the called user information carried in the SRI message. If the called user has been ported in by query, or the called user belongs to the local network user, the received SRI message is directly routed to the HLR of the local network; Step ⁇ , the HLR of the local network queries the mobile roaming number information (MSRN) of the called user according to the called user information carried in the SRI message, and then carries the queried MSRN information of the called user in the SRI_ACK message and returns The VMSC/GMSC visited by the calling user;
  • MNP-SRF mobile number portability signal relay device
  • Step f4 the VMSC/GMSC visited by the calling user connects the call to the called user according to the MSRN information carried in the SRI_ACK message;
  • Step f5 because the SRI_ACK message does not carry the RN information of the called user, the VMSC/GMSC visited by the calling user no longer performs the operation of writing the RN into the bill, and the charging component (such as the BOSS system) recognizes the bill.
  • the charging component such as the BOSS system
  • the switching device needs to have a unit for determining whether the received routing query response message carries the routing number information of the called user when the post-paid calling user calls the called user, and in determining the received routing query response message.
  • the routing number information is written into the unit corresponding to the CDR, and the switching device having the processing capability belongs to the protection scope of the present invention, and the components that implement the processing capability can be correspondingly
  • Software implementation such as writing the above-mentioned processing capability based on a software program, and then installing a software program having these processing capabilities into an existing switching device to operate, can implement the switching device to be protected by the embodiment of the present invention; Capabilities can also be implemented based on the corresponding hardware capabilities.
  • the charging device is required to have a unit for identifying whether the routing number information of the called user is written in the bill, and has been included in the bill.
  • the routing number information of the called user is written, the called user is charged as the external user to the calling user, and when the routing number information of the called user is not written in the CDR, the called user is used as the network.
  • the unit that the internal user charges the calling user, the processing unit here can be implemented based on the software program, or can be implemented based on the corresponding hardware.
  • the prepaid user is proposed in the embodiment of the present invention.
  • the implementation principle of the charging is: intercepting a request message (usually an initial detection point IDP message) sent by the switching device (such as an MSC) visited by the prepaid calling user to the SCP, where the sending request message is sent.
  • the called user information is carried in the request message; the called user information is carried in the request message, and the number of the called user is used to query the number of the called user (NPDB), and when the called user belongs to the out-of-network user, the called user's routing number information (RN) is queried.
  • the SCP forwards the information to the SCP.
  • the SCP determines whether the routing number information of the called user can be obtained according to the received request message. When the judgment result is yes (that is, the called user is carried in the request message) When the routing number information is used, the called user acts as an off-net user to perform charging processing on the calling user, and when the request message does not carry the routing information of the called user, the called user acts as the in-network user to the calling user. Perform billing processing.
  • the MNP-SRF is generally identified by the Transaction Capability Application Part (TCAP).
  • TCAP Transaction Capability Application Part
  • INAP Intelligent Network Application Protocol
  • TCAP is in the lower layer of INAP, and the IDP message belongs to the INAP level message.
  • the prior art uses the TCAP opcode to identify the SRI message for interception, so it can pass the MNP-
  • the message interception function of the SRF device is enhanced to intercept and identify the IDP message), that is, the MNP-SRF is added to intercept the initial detection point (IDP, Initial Detect Point) message, and then the MNP analysis is performed at the MNP-SRF. , Add the necessary MNP information to the IDP message.
  • This improvement has less impact on the intelligent network service, and only requires number analysis to complete the routing and charging processing of the prepaid calling service.
  • An MNP-SRF device is added between the existing switching device and the SCP to intercept the IDP message sent by the switching device to the SCP to trigger the prepaid service, and the MNP-SRF device according to the called user carried in the IDP message
  • the information is queried in the NPDB database. If the called user is found to have carried out the network (Ported out) or the called user itself belongs to the external network user, the queried user ID information is added to the intercepted IDP message, and then IDP that will increase the information of the called user RN
  • the message is reported to the SCP, and the SCP performs differentiated charging for the calling user according to whether the IDP message carries the RN information of the called user.
  • the process of charging the prepaid calling service is as follows:
  • the pre-paid calling user initiates the smart call, and the visited SSP/VMSC reports the IDP message to the SCP to trigger the SCP to perform the withholding fee processing on the user.
  • the reported IDP message carries the called user information (such as the called user number). Information);
  • the NPDB is queried according to the called user information carried in the IDP message. If the called user number is found to be the ported out number, the number of the called user number in the IDP message is increased. Queryed RN information prefix of the called user;
  • the MNP-SRF device forwards the processed IDP message to the SCP to trigger the withholding fee service.
  • the SCP does not need to query the NPDB database, and only needs to use the RN number prefix (number analysis) carried in the IDP message. Determine whether the called user is an intra-network user or an out-of-network user, so as to differentiate the charging of the calling user.
  • the CONNECT message (the RN message carrying the RN prefix number) is sent to the VMSC visited by the calling user, and the VMSC further carries the RN prefix number according to the CONNECT message.
  • the call continues to connect to the called party.
  • the MNP-SRF device is required to have a unit for intercepting a request message for triggering a prepaid service sent by a switching device (such as an MSC) visited by a prepaid calling user to the SCP, where the request message is usually an IDP message, and wherein Carrying the called user information (such as the called user number information); for querying the unit of the NPDB database according to the called user information carried in the received request message, and for querying that the called user belongs to the offline user
  • the queried user RN information is carried in the request message and then forwarded to the SCP unit.
  • the SCP is improved, wherein the SCP is required to have a unit for identifying whether the called user RN information is carried in a request message (such as an IDP message) sent by the switching device visited by the prepaid calling user, and is used to identify the request message.
  • a request message such as an IDP message
  • the called user RN carries the information of the called user
  • the called user is used as the external user to perform charging processing on the calling user
  • the requested message does not carry the called user RN information
  • the called user is used as the user in the network.
  • the unit that the calling user performs billing processing.
  • the improvement of the SCP here can be implemented based on a software program, or can be implemented based on hardware improvements.
  • the embodiment of the present invention also proposes how to perform non-call services (such as some mobile value-added services, including short message SMS service, multimedia message) in the network environment in which the MNP service is implemented. MMS service, location service, etc.) A scheme for charging and routing.
  • non-call services such as some mobile value-added services, including short message SMS service, multimedia message
  • the method for routing the MNP-based value-added service is: intercepting a query request message (for example, may be an SRI message) sent by the value-added service device to the HLR for querying the received user routing information;
  • the receiving user information carried in the message (which may be the receiving user number information) is used to query the NPDB database, and according to the query result: when the receiving user belongs to the local network user or another network user is carried into the network, the query request message is routed to The HLR in the network, when the receiving user belongs to the external network user or the user of the local network has carried the outgoing network, routes the query request message to the corresponding HLR of the external network, and the HLR in the corresponding network feeds back the value-added service device.
  • a query request message for example, may be an SRI message
  • the receiving user information carried in the message (which may be the receiving user number information) is used to query the NPDB database, and according to the query result: when the receiving user belongs to the local network user or another network
  • the method for performing the charging based on the MNP-based value-added service includes: the value-added service device analyzes whether the received user routing information carried in the received response message is Obtaining the RN information of the receiving user, because the receiving user routing information usually includes receiving the IMSI number information of the user, so that the network coding rule can be queried according to the IMSI number information of the receiving user, if the receiving user belongs to the external network user or carries the The network can find the RN information of the receiving user.
  • the value-added service device analyzes and obtains the RN information of the receiving user, and then the obtained RN information is carried in the charging request message and reported to the SCP.
  • the charging request message carries the receiving user RN information
  • the SCP charges the receiving user as an out-of-network user, and when the charging request message does not carry the receiving user RN information, the receiving user is used as the network.
  • the user charges the sending user; If the sending user belongs to the post-paid user, the value-added service device writes the obtained RN information into the CDR when the RN information of the receiving user is analyzed, and the corresponding charging device recognizes that the routing number has been written in the CDR.
  • the sending user is used as the external user to perform charging processing on the receiving user, and when the routing number is not written in the identified CDR, the sending user is used as the user in the network to perform charging processing on the receiving user.
  • the SCP charges the user, the SCP sends a connection indication message (CONNECT message) to the corresponding value-added service device, and the value-added service device receives the connection indication message sent by the SCP, and further receives the The receiving user routing information carried in the response message is sent to the message.
  • the value-added service device may be, but not limited to, a Short Message Service Centre (SMC), a Multi Message Service Contre (MMSC), or a Gateway Mobile Location Center (GMLC). Internet Message Service Gateway (IMSG, International Message Service Gateway), etc.
  • implementing proper charging and routing processing for some value-added services in the MNP network environment requires adding an MNP-SRF between the corresponding value-added service equipment and the HLR, and enhancing its message interception function.
  • the location query request message sent by the value-added service device to the HLR can be intercepted, and the NPDB database can be queried according to the received user information carried in the location query request message, and the HLR of the currently subscribed network of the user is obtained, and then the location is obtained according to the query result.
  • the query request message is correctly routed to the HLR that receives the user's current subscription network.
  • the embodiment of the present invention provides an MNP-SRF device, which has a unit for intercepting a query request message sent by a value-added service device to an HLR for querying receiving user routing information, and is configured to be used according to the received query request message.
  • the carried unit that receives the user information query NPDB database, and the unit for correctly routing the query request message to the HLR in the corresponding network according to the query result.
  • FIG. 4 a schematic diagram of a processing procedure of a first embodiment for charging a short message service and routing processing thereof is as follows:
  • Step HI the sender sends the SM to the SMS.
  • the SMSC After receiving the SM, the SMSC sends an SRI_for_SM message carrying the MSISDN to the HLR to query the routing information of the SM receiver.
  • Step H3 the HLR of the network queries the receiver routing information according to the SM receiver user number information carried in the received SRI_for_SM message, and carries the queried routing information in the SRI-for-SM response message.
  • the receiver routing information includes the MSC information currently visited by the recipient user (ie, the VMSC of the receiver) and the IMSI of the recipient user;
  • Step H4 If the SM sender is a Pre-Paid Service (PPS) user, if the SMSC is directly connected to the SCP, the SMSC directly sends a charge request message to the SCP, and the SMSC connects to the SCP through the charging component. In this case, the SMSC is required to report the charging request message to the SCP through the charging component.
  • PPS Pre-Paid Service
  • the SCP does not carry the RN information of the receiving user in the deduction request message sent by the SMSC
  • the SCP directly uses the SM receiver as the user of the local network.
  • the SM sender user performs the withholding fee processing; Step H5, the SCP sends a CONNECT message to the SMSC after the processing of the withholding fee is completed.
  • the SMSC receives the SRI-for-SM response message according to the received message.
  • the receiver routing information carried in the terminal is executed by a subsequent Mobile Terminated SMS (MT SMS) process.
  • MT SMS Mobile Terminated SMS
  • FIG. 5 a schematic diagram of a process for processing a short message service and a route processing thereof is as follows:
  • Step hi the sender sends the SM to the SMSC, and after receiving the SM, the SMSC sends an SRI_for_SM message carrying the MSISDN to the HLR to query the routing information of the SM receiver.
  • the MNP-SRF device intercepts the SRI-for-SM message sent by the SMSC, and queries the NPDB according to the SM receiver user number information carried in the SRI-for-SM message, and if the receiver user is found to belong to the ported out user, Or the receiver user itself belongs to the external network user, and the SRI_for_SM message is routed to the HLR of the corresponding external network according to the query result;
  • Step h3 the HLR corresponding to the external network is connected according to the SM carried in the received SRI_for_SM message.
  • the receiver user number information queries the receiver routing information, and carries the queried routing information.
  • the SRI-for-SM response message is fed back to the SMSC, where the receiver routing information includes the MSC information currently visited by the receiver user (ie, the VMSC of the receiver) and the IMSI of the receiver user; the SMSC is based on the received SRI-for-SM
  • the receiver user IMSI included in the response message can obtain the RN information of the receiver user by querying the network coding rule;
  • step h4 if the SM sender is a pre-paid (PPS, Pre-Paid Service) user, in the case that the SMSC is directly connected to the SCP, the SMSC directly sends a charge request message to the SCP, and the SMSC connects to the SCP through the charging component.
  • the SMSC is required to report the charging request message to the SCP through the charging component; the receiving user MSISDN carried in the charging request message reported by the SMSC is preceded by the RN of the receiving user; the SCP identifies the sending of the SMSC.
  • the debit request message carries the RN information of the receiver user, the SM receiver is used as the external network user to perform the withholding fee processing on the SM sender user.
  • step h5 the SCP sends a CONNECT to the SMSC after the withholding fee processing is completed.
  • the SMSC After receiving the CONNECT message sent by the SCP, the SMSC performs subsequent MT SMS processing according to the received routing information carried in the received SRI_for-SM response message.
  • the SMSC when the SMSC generates the bill, it also needs to add the RN information in front of the receiver user MSISDN, so that the billing part can distinguish the billing.
  • the charging and routing process for the multimedia service message may be similar to the charging and routing process of the short message service.
  • the short message processing process can also be used.
  • the MMSC can query the routing information of the MM receiver through the SMSC.
  • For the route query process of the MM receiver refer to the SMS processing part.
  • a private interface can be used between the SMSC and the MMSC.
  • the MMSC can learn the routing information of the MM receiver according to the receiver IMSI carried in the SRI-for-SM response message returned by the SMSC.
  • the MMSC can also Further, the RN information of the MM receiver is known; if the MM sender is a PPS user, and the MM receiver is an external network user or a Ported out user, the MMSC needs to be added in front of the receiver user MSISDN reported to the charging unit.
  • the corresponding RN the charging component sends a request for deduction to the SCP, and the MMSC reports it.
  • the receiver MSISDN and the receiver RN information enable the SCP to perform differentiated charging for the MM sender user according to whether the charging request message carries the receiver RN information.
  • the MMSC when the MMSC generates the bill, it also needs to add RN information in front of the receiver MSISDN for the billing component to distinguish between billing.
  • the simple process of billing and routing processing for location services is that the Gateway Mobile Location Center (GMLC) uses the standard SRI-for-LCS message to query the HLR for the routing information of the user, and the MNP between the GMLC and the HLR.
  • the SRF device is similar to the interception SRI-for-SM-like. It needs to enhance the interception of the SRI-for-LCS message sent by the GMLC, and then query the NPDB database according to the queried user information carried in the intercepted SRI-for-LCS message.
  • the SRI_for_LCS message is routed to the HLR in the corresponding network, and the routing information of the queried user is fed back to the GMLC through the SRI-for-LCS response message by the HLR in the corresponding network, and then analyzed by the GMLC. Determining whether the RN information of the queried user can be obtained. If the GMLC initiator is a PPS user and the RN information of the queried user is obtained, the GMLC needs to carry the queried user MSISDN number carried in the charging request message reported to the SCP. Pre-adding the RN information of the queried user, so that the SCP can carry the message according to the charging request message. The RN information of the user is queried to distinguish the queried users. The GMLC also needs to add RN information in front of the MSISDN of the queried user when the CDR is generated, so that the charging component can perform the charging.
  • the unit that receives the user's RN information can be obtained; and further include a unit for When the RN information of the receiving user is obtained, if the sending user belongs to the prepaid user, the obtained RN information is carried in the charging request message and reported to the SCP, or in the case that the sending user belongs to the post-paid user, The obtained RN information is written into the bill.
  • the value-added service equipment herein may be, but not limited to, SMSC, MMSC, GMLC or IMSG.
  • the SCP is required to have a unit for identifying whether the charging request message sent by the value-added service device carries the receiving user RN information, and is used for receiving
  • the receiving user is taken as The out-of-network user performs charging processing on the sending user, and when the received request message does not carry the receiving user RN, the receiving user is used as a unit for performing charging processing on the sending user by the user in the network.
  • the service components are uniformly required to join the corresponding RN before the MSISDN number of the called user reported to the charging component.
  • the charging component in the deduction request message reported to the SCP also transparently transmits the MSISDN number and RN information of the called user reported by the service component, so that the charging component or the SCP reports the RN according to the service component.
  • the field can implement differentiated charging for the calling party or the sender, and does not need to query the MNP database.
  • Each service device can also write the RN information of the called user or the receiving user in the bill of the charging component to facilitate inquiry or reconciliation.
  • the embodiment of the present invention implements a scheme for charging a call service based on an MNP service environment, and implements charging for a non-call value-added service based on the MNP service environment. And its routing scheme, which provides a favorable guarantee for better MNP business.
  • the spirit and scope of the Ming Thus, it is intended that the present invention cover the modifications and variations of the inventions

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Description

基于号码携带业务的计费方法、 路由方法及其相关设备 技术领域
本发明涉及号码携带技术， 更具体的涉及一种对呼叫类业务进行计费的方 法及其相关设备、 对基于号码携带的增值业务进行计费的方法及其相关设备。 背景技术
移动号码携带业务（ MNP , Mobile Number Portability ) , 是指允许移动用户 在同一个国家内改变签约网络时， 不需要改变原有的移动台 ISDN 号码 ( MSISDN, Mobile Station ISDN Number ),即用户拥有永久的移动电话号码（称 为可携带号码）， 当用户移动到其他签约网络后， 仍可使用原来的电话号码， 因 此 MNP业务为移动用户带来了很多方便之处。 基于 MNP业务， 用户使用原始 的电话号码签约在其他网络中后， 新的签约网络将分配新的国际移动台识别号 码 ( IMSI, International Mobile Subscriber Identification Number )给携带入网 ( Ported in )的移动用户， 其各种通信业务改由新的签约网络提供， 并与该新的 签约网络下其他用户享有同样的补充业务和增值业务， 这些通信业务不会受到 旧的签约网络的影响。
然而， MNP业务的开展不可避免的将带来下面两点技术问题：
路由问题： 在 MNP用户通信过程中， 如何区分用户是否发生了 MNP, 将 通信信令或通信消息正确路由到用户当前真正的签约网络；
计费问题：在 MNP用户通信过程中，业务侧如何区分用户是否发生了 MNP, 以对携带入网（Ported in )或携带出网（ Ported out )的用户予以正确的区分计费。
目前 3GPP 22.066/23.066协议已经对 GSM、 UMTS网络实现 MNP业务的 要求给出了规范性建议， 该规范明确规定和描述了 MNP业务的基本实现原理， 并主要描述了两种 MNP实现方案：
第一种方案， 在网络中增加类似 MNP信号中继功能 （MNP-SRF , MNP Signalling Relay Function )的设备，并将该设备放置在 MSC/GMSC与 HLR之间。 当 MSC/GMSC向 HLR发出路由查询（ SRI , Send Routing Info )请求时， MNP-SRP 会拦截 SRI消息，并根据该消息中携带的号码信息查询号码携带数据库（NPDB, Number Portability Database ), 一旦发现该号码已携带出网 （Ported out ), 则向 MSC返回 RN+MSISDN, 其中 RN指路由号码（Routing Number ), MSC根据 RN信息将呼叫转接到 GMSC上， 而 GMSC则根据 RN信息将呼叫转发给移动 用户当前新签约在的网络。
第二种方案， 和上述第一种方案的实现原理相似， 但是需要将针对已携带 出网 （Ported out )的号码的呼叫触发到智能网 （IN, Intelligent Network ), 由智 能网查询 NPDB后在移动用户的 MSISDN号码前添加 RN进行接续。
但是上述两种 MNP实现方案都只是从呼叫业务的正确路由上给出了描述和 规定， 而对于其他非呼叫类移动增值业务， 例如移动数据业务、 位置相关业务 等并没有给出具体的路由处理方式和计费处理方式， 同时对于呼叫类业务的正 确计费问题也没有给出相关描述。 发明内容
本发明实施例提出一种对呼叫类业务进行计费的方法及其相关的设备， 以 解决在开展了 MNP业务的网络环境中对呼叫类业务进行正确计费的问题。
本发明实施例还提出一种对基于号码携带的增值业务进行计费的方法及其 相关的设备， 以解决在开展了 MNP业务的网络环境中对各种增值业务进行正确 计费的问题。
本发明实施例提出一种对呼叫类业务进行计费的方法， 包括步骤： 后付费 主叫用户拜访的交换设备根据接收到的路由查询响应消息判断是否能够得到被 叫用户的路由号码信息； 以及在判断结果是时将所述路由号码信息写入话单； 计费设备识别出在话单中已写入路由号码时， 将被叫用户作为网外用户对主叫 用户进行计费， 以及在识别出话单中未写入路由号码时， 将被叫用户作为网内 用户对主叫用户进行计费。 本发明实施例还提出一种交换设备， 包括在后付费主叫用户呼叫被叫用户 时， 根据接收到的路由查询响应消息判断是否能够得到被叫用户的路由号码信 息的单元； 和用于在判断出能够从接收到的路由查询响应消息中得到路由号码 信息时， 将所述路由号码信息写入话单的单元。
本发明实施例还提出一种计费设备， 包括用于识别在话单中是否写入有路 由号码信息的单元； 和用于在话单中已写入路由号码时， 将被叫用户作为网外 用户对主叫用户进行计费， 以及在话单中未写入路由号码时， 将被叫用户作为 网内用户对主叫用户进行计费的单元。
本发明实施例还提出一种对呼叫类业务进行计费的方法， 包括步骤： 拦截 预付费主叫用户拜访的交换设备向业务控制点发送的用于触发预付费业务的请 求消息， 所述请求消息中携带被叫用户信息； 根据被叫用户信息查询号码携带 数据库， 在查询到被叫用户属于网外用户时， 将查询到的被叫用户路由号码信 息携带在所述请求消息中后转发给业务控制点； 所述业务控制点根据接收到的 请求消息判断是否能够得到被叫用户的路由号码信息， 在判断结果为是时， 将 被叫用户作为网外用户对主叫用户进行计费， 以及在判断结果为否时， 将被叫 用户作为网内用户对主叫用户进行计费。
本发明实施例还提出一种移动号码携带信号中继设备， 包括用于拦截预付 费主叫用户拜访的交换设备向业务控制点发送的用于触发预付费业务的请求消 息的单元， 所述请求消息中携带被叫用户信息； 用于根据被叫用户信息查询号 码携带数据库的单元； 和用于在查询到被叫用户属于网外用户时， 将查询到的 被叫用户路由号码信息携带在所述请求消息中后转发给业务控制点的单元。
本发明实施例还提出一种业务控制点， 包括用于识别是否能够从预付费主 叫用户拜访的交换设备发来的请求消息中得到被叫用户的路由号码信息的单 元； 和用于从所述请求消息中得到了被叫用户路由号码信息时， 将被叫用户作 为网外用户对主叫用户进行计费， 以及从请求消息中未得到被叫用户的路由号 码信息时， 将被叫用户作为网内用户对主叫用户进行计费的单元。 本发明实施例还提出一种对基于号码携带的增值业务进行计费的方法， 包 括步骤： 拦截增值业务设备向归属位置寄存器发送的用于查询接收用户路由信 息的查询请求消息； 根据所述查询请求消息中携带的接收用户信息查询号码携 带数据库， 以及根据查询结果将所述查询请求消息路由到对应网络中的归属位 置寄存器； 所述对应网络中的归属位置寄存器向增值业务设备反馈携带有接收 用户路由信息的响应消息； 所述增值业务设备根据接收到的响应消息中携带的 接收用户路由信息， 分析是否能够得到接收用户的路由号码信息； 以及在发送 用户为预付费用户的情况下， 若分析得到接收用户的路由号码信息时， 则将得 到的路由号码信息携带在计费请求消息中上报给业务控制点； 所述业务控制点 在计费请求消息中携带接收用户路由号码时， 将接收用户作为网外用户对发送 用户进行计费， 以及在计费请求消息中未携带接收用户路由号码时， 将接收用 户作为网内用户对发送用户进行计费。
本发明实施例还提出一种移动号码携带信号中继设备， 包括用于拦截增值 业务设备向归属位置寄存器发送的用于查询接收用户路由信息的查询请求消息 的单元； 用于根据所述查询请求消息中携带的接收用户信息查询号码携带数据 库的单元； 以及用于根据查询结果将所述查询请求消息路由到对应网络中的归 属位置寄存器的单元。
本发明实施例还提出一种增值业务设备， 包括用于根据对应网络中的归属 位置寄存器发来的路由查询响应消息中携带的接收用户路由信息， 分析是否能 够得到接收用户的路由号码信息的单元； 用于在发送用户为预付费用户的情况 下， 在分析得到接收用户的路由号码信息时， 将得到的路由号码信息携带在计 费请求消息中上报给业务控制点的单元。
本发明实施例还提出一种业务控制点， 包括用于识别增值业务设备发来的 计费请求消息中是否携带接收用户路由号码信息的单元； 和用于在所述计费请 求消息中携带接收用户路由号码时， 将接收用户作为网外用户对发送用户进行 计费， 以及在请求消息中未携带接收用户路由号码时， 将接收用户作为网内用 户对发送用户进行计费的单元。
本发明实施例还提出一种对基于号码携带的增值业务进行计费的方法， 包 括步骤： 拦截增值业务设备向归属位置寄存器发送的用于查询接收用户路由信 息的查询请求消息； 根据所述查询请求消息中携带的接收用户信息查询号码携 带数据库， 以及根据查询结果将所述查询请求消息路由到对应网络中的归属位 置寄存器； 所述对应网络中的归属位置寄存器向增值业务设备反馈携带有接收 用户路由信息的响应消息； 所述增值业务设备根据接收到的响应消息中携带的 接收用户路由信息， 分析是否能够得到接收用户的路由号码信息； 以及在发送 用户为后付费用户的情况下， 若分析得到接收用户的路由号码信息时， 则将得 到的路由号码信息写入话单； 计费设备识别出在话单中已写入路由号码时， 将 发送用户作为网外用户对接收用户进行计费， 以及在识别出话单中未写入路由 号码时， 将发送用户作为网内用户对接收用户进行计费。
本发明实施例还提出一种增值业务设备， 包括用于根据对应网络中的归属 位置寄存器发来的路由查询响应消息中携带的接收用户路由信息， 分析是否能 够得到接收用户的路由号码信息的单元； 用于在发送用户为后付费用户的情况 下， 在分析得到接收用户的路由号码信息时， 将得到的路由号码信息写入话单 的单元。
本发明实施例还提出了一种对基于号码携带的增值业务进行路由的方法， 包括步骤：
拦截增值业务设备向归属位置寄存器发送的用于查询接收用户路由信息的 查询请求消息；
根据所述查询请求消息中携带的接收用户信息查询号码携带数据库， 以及 根据查询结果将所述查询请求消息路由到对应网络中的归属位置寄存器。 本发明实施例基于 MNP 标准协议， 通过少量的能力扩展， 实现了对基于 MNP业务环境下的呼叫类业务进行计费的方案， 相应地也实现了基于 MNP业 务环境下对非呼叫类增值业务进行路由和计费的方案， 从而为更好的在通信网 络系统中开展 MNP业务提供了有利保障。 附图说明
图 1为基于 MNP网络环境下对后付费用户进行计费的第一实施例处理过程 示意图；
图 2为基于 MNP网络环境下对后付费用户进行计费的第二实施例处理过程 示意图；
图 3为在 MNP网络环境下本发明实现对预付费用户进行计费的网络框架示 意图；
图 4为对短消息业务进行计费及其路由处理的第一实施例处理过程示意图； 图 5为对短消息业务进行计费及其路由处理的第二实施例处理过程示意图。 具体实施方式
本发明实施例首先提出在 MNP网络环境中，在被叫用户属于网内用户或网 外用户的情况下， 如何对主叫用户进行区分计费的方案。
其中对呼叫类业务进行计费又可分为对后付费用户进行计费、 以及对预付 费用户进行计费两种情况， 在开展了 MNP业务的网络环境中， 对后付费呼叫用 户进行计费的实现原理是： 后付费主叫用户拜访的交换设备 (如 MSC )根据接 收到的路由查询响应消息， 判断是否能够得到被叫用户的路由号码信息， 具体 地， 判断接收到的路由查询响应消息 （SRI— ACK ) 中是否携带有被叫用户的路 由号码信息（RN ),其中在判断结果为 SRI响应消息中携带有被叫用户的 RN信 息， 即可以从 SRI响应消息中得到被叫用户的 RN信息时， 将该 SRI响应消息 中携带的 RN信息写入话单； 计费设备 (如 BOSS系统）在识别出话单中已写入 路由号码时， 将被叫用户作为网外用户对主叫用户进行计费处理， 以及在识别 出话单中未写入路由号码时， 将被叫用户作为网内用户对主叫用户进行计费处 理。
如图 1所示，为基于 MNP网络环境下对后付费用户进行计费的第一实施例 处理过程示意图， 其中：
步骤 F1 , 主叫用户发起呼叫， 呼叫被叫用户， 其拜访的 VMSC/GMSC根据 被呼叫的用户信息发送携带有 MSISDN的 SRI消息给对应的归属位置寄存器， 以查询被叫用户的路由信息；
步骤 F2, 处于 VMSC/GMSC和 HLR之间的 MNP-SRF拦截 VMSC/GMSC 发来的 SRI消息， 根据 SRI消息中携带的被叫用户信息执行 NPDB查询操作， 若通过查询发现被叫用户已经携带出网 （ported out ), 或被叫用户本身就属于外 网用户， 则在被叫用户的 MSISDN号码前添加被叫用户的 RN, 然后将处理后 的被叫用户号码信息携带在 SRI— ACK 消息中返回给主叫用户拜访的 VMSC/GMSC;
步骤 F3 ,主叫用户拜访的 VMSC/GMSC通过发送 IAM消息，根据 SRI— ACK 消息中携带的 RN把呼叫路由到相应外网的 GMSC, 由该外网的 GMSC接续被 叫用户；
步骤 F4 ,主叫用户拜访的 VMSC/GMSC进而将 SRI— ACK消息中携带的 RN 信息写入话单， 计费部件（如 BOSS 系统）识别到话单中已经写入了被叫用户 的 RN信息时， 则将被叫用户作为网外用户对主叫用户进行计费处理。
如图 2所示，为基于 MNP网络环境下对后付费用户进行计费的第二实施例 处理过程示意图， 其中：
步骤 fl , 主叫用户发起呼叫， 呼叫被叫用户， 其拜访的 VMSC/GMSC根据 被呼叫的用户信息发送携带有 MSISDN的 SRI消息给对应的归属位置寄存器， 以查询被叫用户的路由信息；
步骤 £2, 处于 VMSC/GMSC 和 HLR之间的移动号码携带信号中继设备 ( MNP-SRF )拦截 VMSC/GMSC发来的 SRI消息，根据 SRI消息中携带的被叫 用户信息执行 NPDB查询操作， 若通过查询发现被叫用户已经携带入网（ported in ), 或被叫用户本身就属于本网用户， 则直接将接收到的 SRI消息路由到本网 的 HLR; 步骤 β ,本网的 HLR根据 SRI消息中携带的被叫用户信息查询到被叫用户 的移动漫游号码信息 （MSRN ), 则将查询到的被叫用户 MSRN信息携带在 SRI— ACK消息中返回给主叫用户拜访的 VMSC/GMSC;
步骤 f4 ,主叫用户拜访的 VMSC/GMSC根据 SRI— ACK消息中携带的 MSRN 信息把呼叫接续到被叫用户；
步骤 f5, 由于 SRI— ACK消息中未携带被叫用户的 RN信息， 因此主叫用户 拜访的 VMSC/GMSC不再执行将 RN写入话单操作，计费部件（如 BOSS系统 ) 识别到话单中未写入被叫用户的 RN信息时，则将被叫用户作为网内用户对主叫 用户进行计费处理。
基于上述在 MNP网络环境下对后付费用户进行计费的实现方案，需要对现 有的交换设备（如 MSC等）和计费设备（如 BOSS系统等）进行改造。 其中需 要交换设备具有在后付费主叫用户呼叫被叫用户时， 判断接收到的路由查询响 应消息中是否携带被叫用户的路由号码信息的单元， 和在判断出接收到的路由 查询响应消息中携带有路由号码信息时， 将该路由号码信息写入对应话单的单 元， 具有这些处理能力的交换设备都属于本发明的保护范围之列， 且实现有这 些处理能力的组成部分可以由相应的软件实现， 如基于软件程序编写上述的处 理能力， 然后将编写有这些处理能力的软件程序安装到现有的交换设备中运行， 便可以实现本发明实施例欲保护的交换设备； 当然这里的处理能力也可以基于 相应的硬件能力来实现。
此外， 为实现上述在 MNP网络环境下对后付费用户进行计费的方案， 需要 计费设备具有识别在话单中是否写入有被叫用户的路由号码信息的单元， 和在 话单中已写入被叫用户的路由号码信息时， 将被叫用户作为网外用户对主叫用 户进行计费， 以及在话单中未写入被叫用户的路由号码信息时， 将被叫用户作 为网内用户对主叫用户进行计费的单元， 同理这里的处理单元可以基于软件程 序来实现， 也可以基于相应的硬件来实现。
在开展有 MNP业务的网络环境下，本发明实施例提出的对预付费用户进行 计费的实现原理是： 拦截预付费主叫用户拜访的交换设备（如 MSC )向 SCP发 送的用于触发预付费业务的请求消息（通常为初始检测点 IDP消息）， 其中该发 送的请求消息中携带有被叫用户信息； 根据请求消息中携带的被叫用户信息查 询号码携带数据库 （NPDB ), 在查询到被叫用户属于网外用户时， 将查询到的 被叫用户路由号码信息 （RN )携带在该请求消息中后转发给 SCP; SCP根据接 收到的请求消息判断是否能够得到被叫用户的路由号码信息， 在判断结果为是 时（即： 在该请求消息中携带有被叫用户路由号码信息时）， 将被叫用户作为网 外用户对主叫用户进行计费处理， 以及在请求消息中未携带被叫用户路由号码 信息时， 将被叫用户作为网内用户对主叫用户进行计费处理。
如图 3所示，为在 MNP网络环境下本发明实现对预付费用户进行计费的网 络框架示意图， 由于通常情况下 MNP-SRF 是通过识别事务能力应用部分 ( TCAP, Transaction Capability Application Part ) 的操作码来拦截 SRI消息的， 而从网络分层角度来说智能网应用协议（ INAP , Intelligent Network Application Protocol )也是 TCAP的用户层， 因此也可以釆用同样的处理方式增强 MNP-SRF 的消息拦截能力（也就是说在网络层次结构上， TCAP处于 INAP的下层，而 IDP 消息属于 INAP层次的消息， 现有技术是通过 TCAP的操作码来识别 SRI消息 做拦截的， 因此就可以通过对 MNP-SRF设备的消息拦截功能进行增强， 来拦截 并识别出 IDP消息），即对 MNP-SRF增加对初始检测点（ IDP, Initial Detect Point ) 消息的拦截， 然后在 MNP-SRF处做好 MNP分析处理， 将必要的 MNP信息添 加到 IDP消息中。 这种改进对智能网业务的影响较小， 只需要号码分析即可完 成预付费呼叫业务的路由和计费处理。
其中在现有的交换设备和 SCP之间增加一个 MNP-SRF设备， 用以拦截交 换设备发送给 SCP的用以触发预付费业务的 IDP消息， MNP-SRF设备根据 IDP 消息中携带的被叫用户信息查询 NPDB数据库， 通过查询如果发现被叫用户已 携带出网 （Ported out )或被叫用户本身就属于外网用户， 则会在拦截的 IDP消 息中增加查询到的被叫用户 RN信息， 然后将增加了被叫用户 RN信息的 IDP 消息上报给 SCP, 由 SCP来根据 IDP消息中是否携带被叫用户的 RN信息来对 主叫用户进行区分计费。 基于图 3 所示的系统结构， 实施对预付费呼叫业务进 行计费的处理过程如下：
预付费主叫用户发起智能呼叫，其拜访的 SSP/VMSC上报 IDP消息给 SCP, 以触发 SCP对用户进行预扣费处理， 其中上报的 IDP消息中携带有被叫用户信 息 （如被叫用户号码信息）；
MNP-SRF设备拦截 IDP消息后，根据 IDP消息中携带的被叫用户信息查询 NPDB , 如果发现被叫用户号码是 ported out的被叫用户号码， 则在 IDP消息中 的被叫用户号码参数前增加查询到的被叫用户 RN信息前缀；
MNP-SRF设备将处理后的 IDP消息转发到 SCP上以触发预扣费业务， 此 时 SCP不需要再查询 NPDB数据库， 只需要根据 IDP消息中携带的 RN号码前 缀（号码分析即可）就可确定被叫用户是网内用户还是网外用户， 以此来对主 叫用户进行区分计费。
SCP 完成预扣费处理后， 如果确定用户可以继续呼叫， 则需要继而下发 CONNECT 消息 （CONNECT 消息中携带 RN 前缀号码） 到主叫用户拜访的 VMSC, VMSC进而根据 CONNECT消息中携带 RN前缀号码将呼叫继续接续 到被叫用户。
基于上述在 MNP网络环境下对预付费用户进行计费的实现方案，需要对现 有的 MNP-SRF设备进行升级改造。 其中需要 MNP-SRF设备具有用于拦截预付 费主叫用户拜访的交换设备（如 MSC )向 SCP发送的用于触发预付费业务的请 求消息的单元， 其中该请求消息通常为 IDP消息， 且其中携带有被叫用户信息 (如被叫用户号码信息）； 用于根据接收到的请求消息中携带的被叫用户信息查 询 NPDB数据库的单元， 和用于在查询到被叫用户属于网外用户时， 将查询到 的被叫用户 RN信息携带在该请求消息中后转发给 SCP的单元。 上述改造可以 基于软件程序来实现， 也可以基于对硬件的改进来实现。
为实现在 MNP网络环境下对预付费用户进行计费的方案，还需要对现有的 SCP进行改进， 其中需要 SCP具有用于识别预付费主叫用户拜访的交换设备发 来的请求消息 （如 IDP消息） 中是否携带被叫用户 RN信息的单元， 和用于在 识别到该请求消息中携带有被叫用户 RN信息时，将被叫用户作为网外用户对主 叫用户进行计费处理， 以及在请求消息中未携带被叫用户 RN信息时，将被叫用 户作为网内用户对主叫用户进行计费处理的单元。 同理这里的对 SCP的改进可 以基于软件程序来实现， 也可以基于对硬件的改进来实现。
本发明实施例在提出对呼叫类业务进行计费的方案之外， 还提出在开展了 MNP业务的网络环境中如何对非呼叫类业务（如一些移动增值业务， 包括短消 息 SMS业务、 多媒体消息 MMS业务、 位置业务等等）进行计费及其路由的方 案。 本发明实施例提出的对基于 MNP的增值业务进行路由的方法原理是： 拦截 增值业务设备向 HLR发送的用于查询接收用户路由信息的查询请求消息（如可 以为 SRI消息）；根据该查询请求消息中携带的接收用户信息 (可以是接收用户号 码信息)查询 NPDB数据库， 以及根据查询结果： 当接收用户属于本网用户、 或 是其它网络的用户发生携带入网时， 将该查询请求消息路由到本网内的 HLR, 当接收用户属于外网用户、 或是本网用户发生了携带出网时， 将该查询请求消 息路由到外网相应的 HLR,对应网络中的 HLR向增值业务设备反馈携带有接收 用户路由信息的响应消息。 相应地， 在所述增值业务设备接收到 HLR反馈的响 应消息后， 基于 MNP的增值业务进行计费的方法包括： 增值业务设备根据接收 到的响应消息中携带的接收用户路由信息，分析是否能够得到该接收用户的 RN 信息， 由于接收用户路由信息中通常会包括接收用户的 IMSI号码信息， 这样可 以根据该接收用户的 IMSI号码信息查询网络编码规则， 如果接收用户属于外网 用户或是携带出网，则可以查找到该接收用户的 RN信息；如果发送用户属于预 付费用户时， 增值业务设备在分析得到接收用户的 RN信息时，将得到的 RN信 息携带在计费请求消息中上报给 SCP, SCP在计费请求消息中携带接收用户 RN 信息时， 将接收用户作为网外用户对发送用户进行计费， 以及在计费请求消息 中未携带接收用户 RN信息时， 将接收用户作为网内用户对发送用户进行计费； 如果发送用户属于后付费用户时，增值业务设备在分析得到接收用户的 RN信息 时，将得到的 RN信息写入话单，相应的计费设备识别出在话单中已写入路由号 码时， 将发送用户作为网外用户对接收用户进行计费处理， 以及在识别出话单 中未写入路由号码时， 将发送用户作为网内用户对接收用户进行计费处理。
进一步的， SCP在对用户进行预扣费后， 会向对应的增值业务设备下发连 接指示消息（CONNECT消息 ) , 增值业务设备在接收到 SCP下发的连接指示消 息时， 进而根据接收到的响应消息中携带的接收用户路由信息， 执行消息下发 处理。 其中的增值业务设备可以但不限于为短消息业务中心 （ SMSC , Short Message Service Centre )、 多媒体消息业务中心 （ MMSC, Multi Message Service Contre )或是网关移动定位中心（GMLC, Gateway Mobile Location Contre ), 互 联网消息业务网关 （ IMSG, International Message Service Gateway )等。
基于本发明方案原理，在 MNP网络环境下实现对一些增值业务进行正确计 费及其路由处理需要在对应的增值业务设备和 HLR之间增设一个 MNP-SRF, 并增强其消息拦截功能， 使其能够拦截增值业务设备发送给 HLR的位置查询请 求消息， 并能够根据位置查询请求消息中携带的接收用户信息查询 NPDB数据 库， 得到接收用户当前所签约网路的 HLR, 然后根据该查询结果将该位置查询 请求消息正确路由到接收用户当前签约网络的 HLR。 这样本发明实施例提出一 种 MNP-SRF设备， 其具有用于拦截增值业务设备向 HLR发送的用于查询接收 用户路由信息的查询请求消息的单元； 用于根据该接收到的查询请求消息中携 带的接收用户信息查询 NPDB数据库的单元， 以及用于根据查询结果将该查询 请求消息正确路由到对应网络中的 HLR的单元。 该些功能组成部分可以基于软 件程序来实现， 也可以基于硬件方式来实现。
如图 4 所示， 为对短消息业务进行计费及其路由处理的第一实施例处理过 程示意图， 其具体的实施过程如下：
步骤 HI ,发送方发送 SM到 SMS SMSC接收到 SM后发送携带有 MSISDN 的 SRI— for— SM消息给 HLR, 以查询 SM接收方的路由信息； 步骤 H2, MNP-SRF设备拦截 SMSC发出的 SRI— for— SM 消息， 并根据 SRI— for— SM消息中携带的 SM接收方用户号码信息查询 NPDB, 通过查询如果 发现接收方用户属于 ported in用户， 或接收方用户本身就属于本网用户， 则将 该 SRI— for— SM消息路由到本网的 HLR;
步骤 H3 , 本网的 HLR根据接收到的 SRI— for— SM消息中携带的 SM接收方 用户号码信息查询接收方路由信息， 并将查询到的路由信息携带在 SRI— for— SM 响应消息中反馈给 SMSC , 其中接收方路由信息包含接收方用户当前拜访的 MSC信息 （即接收方的 VMSC )和接收方用户的 IMSI;
步骤 H4, 如果 SM发送方是预付费 （PPS, Pre-Paid Service )用户， 则在 SMSC直连 SCP的情况下， SMSC直接向 SCP发送扣费请求消息， 而在 SMSC 通过计费部件连接 SCP的情况下，需要 SMSC通过计费部件向 SCP上报计费请 求消息； SCP在识别到 SMSC发来的扣费请求消息中未携带接收方用户的 RN 信息时， 直接将 SM接收方作为本网用户对 SM发送方用户进行预扣费处理； 步骤 H5, SCP在预扣费处理完成后会向 SMSC发送 CONNECT消息， SMSC 接收到 SCP下发的 CONNECT消息后， 根据接收到的 SRI— for— SM响应消息中 携带的接收方路由信息， 执行后续的终端短消息 （ Mobile Terminated SMS， MT SMS )处理。
如图 5 所示， 为对短消息业务进行计费及其路由处理的第二实施例处理过 程示意图， 其具体的实施过程如下：
步骤 hi ,发送方发送 SM到 SMSC, SMSC接收到 SM后发送携带有 MSISDN 的 SRI— for— SM消息给 HLR, 以查询 SM接收方的路由信息；
步骤 h2, MNP-SRF设备拦截 SMSC 发出的 SRI— for— SM 消息， 并根据 SRI— for— SM消息中携带的 SM接收方用户号码信息查询 NPDB, 通过查询如果 发现接收方用户属于 ported out用户， 或接收方用户本身就属于外网用户， 则根 据查询结果将该 SRI— for— SM消息路由到相应外网的 HLR;
步骤 h3 , 对应外网的 HLR根据接收到的 SRI— for— SM消息中携带的 SM接 收方用户号码信息查询接收方路由信息， 并将查询到的路由信息携带在
SRI— for— SM响应消息中反馈给 SMSC, 其中接收方路由信息包含接收方用户当 前拜访的 MSC信息 （即接收方的 VMSC )和接收方用户的 IMSI; SMSC根据 接收到的 SRI— for— SM响应消息中包含的接收方用户 IMSI, 通过查询网络编码 规则可以得到接收方用户的 RN信息；
步骤 h4,如果 SM发送方是预付费（ PPS, Pre-Paid Service )用户，则在 SMSC 直连 SCP的情况下， SMSC直接向 SCP发送扣费请求消息， 而在 SMSC通过计 费部件连接 SCP的情况下，需要 SMSC通过计费部件向 SCP上报计费请求消息； SMSC向 SCP上报的计费请求消息中携带的接收方用户 MSISDN前面带有接收 方用户的 RN; SCP在识别到 SMSC发来的扣费请求消息中携带有接收方用户的 RN信息时， 将 SM接收方作为外网用户对 SM发送方用户进行预扣费处理； 步骤 h5, SCP在预扣费处理完成后会向 SMSC发送 CONNECT消息， SMSC 接收到 SCP下发的 CONNECT消息后， 根据接收到的 SRI— for— SM响应消息中 携带的接收方路由信息， 执行后续的 MT SMS处理。
此外， 这种情况下 SMSC在生成话单时， 也需要在接收方用户 MSISDN前 面增加 RN信息， 以使计费部分能够区分计费。
当然对于多媒体业务消息的计费及其路由过程也可以和上述短消息业务的 计费及路由过程相似。 为了不更改现有的多媒体消息处理协议， 也可以借助于 上述的短消息处理过程， 即 MMSC可以通过 SMSC查询 MM接收方的路由信 息， MM接收方的路由查询过程请参见上述的 SMS处理部分， 其中 SMSC和 MMSC之间可以釆用私有接口。 MMSC根据 SMSC返回的 SRI— for— SM响应消 息中携带的接收方 IMSI,查询本地静态路由表就可以得知 MM接收方的路由信 息，如果接收方是外网用户或是 Ported out用户，还可以进而得知 MM接收方的 RN信息； 如果 MM发送方是 PPS用户， 且分析得到 MM接收方为外网用户或 Ported out用户时， 则 MMSC需要在上报给计费部件的接收方用户 MSISDN前 面添加相应的 RN, 计费部件向 SCP发起的扣费请求中也要透传 MMSC上报来 的接收方 MSISDN和接收方 RN信息， 使得 SCP能够根据计费请求消息中是否 携带接收方 RN信息来对 MM发送方用户进行区分计费。此外 MMSC在生成话 单时， 也需要在接收方 MSISDN前面增加 RN信息， 供计费部件区分计费。
同理， 对位置业务实现计费及其路由处理的简单过程为网关移动定位中心 ( GMLC )釆用标准的 SRI— for— LCS 消息向 HLR查询用户的路由信息， 处于 GMLC和 HLR之间的 MNP-SRF设备类似拦截 SRI— for— SM—样， 需要增强对 GMLC发出的 SRI— for— LCS消息进行拦截的功能，然后根据拦截的 SRI— for— LCS 消息中携带的被查询用户信息查询 NPDB 数据库， 然后根据查询结果信息将 SRI— for— LCS消息路由到相应网络中的 HLR, 由对应网络中的 HLR将被查询用 户的路由信息通过 SRI— for— LCS响应消息反馈给 GMLC, 进而由 GMLC分析判 断是否能够得到被查询用户的 RN信息， 如果 GMLC发起方是 PPS用户， 且分 析得到被查询用户的 RN信息时， 则 GMLC需要在上报给 SCP的计费请求消息 中携带的被查询用户 MSISDN号码前加上被查询用户的 RN信息， 使得 SCP能 够根据计费请求消息中是否携带被查询用户的 RN信息对查询用户进行区分计 费。 GMLC也需要在生成话单时， 在被查询用户的 MSISDN前面增加 RN信息， 以供计费部件进行区分计费。
为实现在 MNP网络环境下，上述对各非呼叫移动增值业务的计费及其路由 消息中携带的接收用户路由信息， 分析是否能够得到接收用户的 RN信息的单 元； 还包括一个单元， 用于在分析得到接收用户的 RN信息时， 在发送用户属于 预付费用户的情况下， 将得到的 RN信息携带在计费请求消息中上报给 SCP, 或者在发送用户属于后付费用户的情况下，将得到的 RN信息写入话单。这里的 增值业务设备可以但不限于为 SMSC、 MMSC, GMLC或 IMSG等。
此外， 为实现对各非呼叫移动增值业务的计费及其路由处理， 需要 SCP具 有用于识别增值业务设备发来的计费请求消息中是否携带接收用户 RN信息的 单元，和用于在接收到的计费请求消息中携带接收用户 RN时，将接收用户作为 网外用户对发送用户进行计费处理， 以及在接收到的请求消息中未携带接收用 户 RN时， 将接收用户作为网内用户对发送用户进行计费处理的单元。
综上， 在开展了 MNP业务的网络环境下， 如果被叫用户或接收方用户发生 携带出网现象， 会统一要求各业务部件在上报给计费部件的被叫用户 MSISDN 号码前加入相应的 RN信息； 对于预付费， 计费部件在上报给 SCP的扣费请求 消息中， 也要透传业务部件上报来的被叫用户 MSISDN号码和 RN信息， 这样 计费部件或 SCP根据业务部件上报的 RN字段可以实现对主叫或发送方进行区 分计费， 不需要查询 MNP数据库。 各业务设备在计费部件的话单中也可以写入 被叫用户或接收方用户的 RN信息， 以方便查询或对帐。
本发明实施例基于 MNP 标准协议， 通过少量的能力扩展， 实现了对基于 MNP业务环境下的呼叫类业务进行计费的方案， 也实现了基于 MNP业务环境 下对非呼叫类增值业务进行计费及其路由的方案，从而为更好的开展 MNP业务 提供了有利保障。 明的精神和范围。 这样， 倘若本发明的这些修改和变型属于本发明权利要求及 其等同技术的范围之内， 则本发明也意图包含这些改动和变型在内。

Claims

权 利 要 求
1、 一种对呼叫类业务进行计费的方法， 其特征在于， 包括步骤： 后付费主叫用户拜访的交换设备根据接收到的路由查询响应消息， 判断是 否能够得到被叫用户的路由号码信息； 以及
在判断结果为是时， 将得到的路由号码信息写入话单；
计费设备识别出在话单中已写入路由号码时， 将被叫用户作为网外用户对 主叫用户进行计费， 以及在识别出话单中未写入路由号码时， 将被叫用户作为 网内用户对主叫用户进行计费。
2、 一种交换设备， 其特征在于， 包括：
在后付费主叫用户呼叫被叫用户时， 根据接收到的路由查询响应消息判断 是否能够得到被叫用户的路由号码信息的单元； 和
用于在判断出能够从接收到的路由查询响应消息中得到路由号码信息时， 将所述路由号码信息写入话单的单元。
3、 一种计费设备， 其特征在于， 包括：
用于识别在话单中是否写入有路由号码信息的单元； 和
用于在话单中已写入路由号码时， 将被叫用户作为网外用户对主叫用户进 行计费， 以及在话单中未写入路由号码时， 将被叫用户作为网内用户对主叫用 户进行计费的单元。
4、 一种对呼叫类业务进行计费的方法， 其特征在于， 包括步骤： 拦截预付费主叫用户拜访的交换设备向业务控制点发送的用于触发预付费 业务的请求消息， 所述请求消息中携带被叫用户信息；
根据被叫用户信息查询号码携带数据库， 在查询到被叫用户属于网外用户 时， 将查询到的被叫用户的路由号码信息携带在所述请求消息中后转发给业务 控制点；
所述业务控制点根据接收到的请求消息判断是否能够得到被叫用户的路由 号码信息， 在判断结果为是时， 将被叫用户作为网外用户对主叫用户进行计费， 以及在判断结果为否时， 将被叫用户作为网内用户对主叫用户进行计费。
5、 如权利要求 4所述的方法， 其特征在于， 所述请求消息为初始检测点消 息。
6、 一种移动号码携带信号中继设备， 其特征在于， 包括：
用于拦截预付费主叫用户拜访的交换设备向业务控制点发送的用于触发预 付费业务的请求消息的单元 , 所述请求消息中携带被叫用户信息；
用于根据被叫用户信息查询号码携带数据库的单元； 和
用于在查询到被叫用户属于网外用户时， 将查询到的被叫用户路由号码信 息携带在所述请求消息中后转发给业务控制点的单元。
7、 如权利要求 6所述的设备， 其特征在于， 所述请求消息为初始检测点消 息。
8、 一种业务控制点， 其特征在于， 包括：
用于识别是否能够从预付费主叫用户拜访的交换设备发来的请求消息中得 到被叫用户的路由号码信息的单元； 和
用于从所述请求消息中得到了被叫用户的路由号码信息时， 将被叫用户作 为网外用户对主叫用户进行计费， 以及从请求消息中未得到被叫用户的路由号 码信息时， 将被叫用户作为网内用户对主叫用户进行计费的单元。
9、 如权利要求 8所述的业务控制点， 其特征在于， 所述请求消息为初始检 测点消息。
10、 一种对基于号码携带的增值业务进行计费的方法， 其特征在于， 包括 步骤：
拦截增值业务设备向归属位置寄存器发送的用于查询接收用户路由信息的 查询请求消息；
根据所述查询请求消息中携带的接收用户信息查询号码携带数据库， 以及 根据查询结果将所述查询请求消息路由到对应网络中的归属位置寄存器； 所述对应网络中的归属位置寄存器向增值业务设备反馈携带有接收用户路 由信息的响应消息；
所述增值业务设备根据接收到的响应消息中携带的接收用户路由信息， 分 析是否能够得到接收用户的路由号码信息； 以及
在发送用户为预付费用户的情况下， 若分析得到接收用户的路由号码信息 时 , 则将得到的路由号码信息携带在计费请求消息中上报给业务控制点；
所述业务控制点在计费请求消息中携带接收用户路由号码时， 将接收用户 作为网外用户对发送用户进行计费， 以及在计费请求消息中未携带接收用户路 由号码时， 将接收用户作为网内用户对发送用户进行计费。
11、 如权利要求 10所述的方法， 其特征在于， 还包括步骤：
所述增值业务设备在接收到业务控制点下发的连接指示时， 根据接收到的 响应消息中携带的接收用户路由信息， 执行消息下发处理。
12、 如权利要求 10或 11所述的方法， 其特征在于， 所述增值业务设备为： 短消息业务中心； 或
互联网消息业务网关； 或
多媒体消息业务中心； 或
网关移动定位中心。
13、 一种移动号码携带信号中继设备， 其特征在于， 包括：
用于拦截增值业务设备向归属位置寄存器发送的用于查询接收用户路由信 息的查询请求消息的单元；
用于根据所述查询请求消息中携带的接收用户信息查询号码携带数据库的 单元； 以及
用于根据查询结果将所述查询请求消息路由到对应网络中的归属位置寄存 器的单元。
14、 一种增值业务设备， 其特征在于， 包括：
用于根据对应网络中的归属位置寄存器发来的路由查询响应消息中携带的 接收用户路由信息， 分析是否能够得到接收用户的路由号码信息的单元； 用于在发送用户为预付费用户的情况下， 在分析得到接收用户的路由号码 信息时， 将得到的路由号码信息携带在计费请求消息中上报给业务控制点的单 元。
15、 如权利要求 14所述的增值业务设备， 其特征在于， 所述增值业务设备 为：
短消息业务中心； 或
互联网消息业务网关； 或
多媒体消息业务中心； 或
网关移动定位中心。
16、 一种业务控制点， 其特征在于， 包括：
用于识别增值业务设备发来的计费请求消息中是否携带接收用户路由号码 信息的单元； 和
用于在所述计费请求消息中携带接收用户路由号码时， 将接收用户作为网 外用户对发送用户进行计费， 以及在请求消息中未携带接收用户路由号码时， 将接收用户作为网内用户对发送用户进行计费的单元。
17、 一种对基于号码携带的增值业务进行计费的方法， 其特征在于， 包括 步骤：
拦截增值业务设备向归属位置寄存器发送的用于查询接收用户路由信息的 查询请求消息；
根据所述查询请求消息中携带的接收用户信息查询号码携带数据库， 以及 根据查询结果将所述查询请求消息路由到对应网络中的归属位置寄存器； 所述对应网络中的归属位置寄存器向增值业务设备反馈携带有接收用户路 由信息的响应消息；
所述增值业务设备根据接收到的响应消息中携带的接收用户路由信息， 分 析是否能够得到接收用户的路由号码信息； 以及 在发送用户为后付费用户的情况下， 若分析得到接收用户的路由号码信息 时， 则将得到的路由号码信息写入话单；
计费设备识别出在话单中已写入路由号码时， 将发送用户作为网外用户对 接收用户进行计费， 以及在识别出话单中未写入路由号码时， 将发送用户作为 网内用户对接收用户进行计费。
18、 一种增值业务设备， 其特征在于， 包括：
用于根据对应网络中的归属位置寄存器发来的路由查询响应消息中携带的 接收用户路由信息， 分析是否能够得到接收用户的路由号码信息的单元；
用于在发送用户为后付费用户的情况下， 在分析得到接收用户的路由号码 信息时， 将得到的路由号码信息写入话单的单元。
19、 一种对基于号码携带的增值业务进行路由的方法， 其特征在于， 包括 步骤：
拦截增值业务设备向归属位置寄存器发送的用于查询接收用户路由信息的 查询请求消息；
根据所述查询请求消息中携带的接收用户信息查询号码携带数据库， 以及 根据查询结果将所述查询请求消息路由到对应网络中的归属位置寄存器。
20、 如权利要求 19所述的方法， 其特征在于， 所述根据查询结果将所述查 询请求消息路由到对应网络中的归属位置寄存器具体为：
当所述查询结果为接收用户是携带入网用户时， 将所述查询请求消息路由 到网内相应的归属位置寄存器； 或
当所述查询结果为接收用户是携带出网用户时， 将所述查询请求消息路由 到外网相应的归属位置寄存器。
PCT/CN2008/070409 2007-04-12 2008-03-04 Méthode de facturation, méthode d'acheminement et dispositif associé basé sur la portabilité des numéros WO2008125034A1 (fr)

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