CN102137374A - Charging call ticket generating method, system and device based on multimedia subsystem - Google Patents

Charging call ticket generating method, system and device based on multimedia subsystem Download PDF

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Publication number
CN102137374A
CN102137374A CN2010102803459A CN201010280345A CN102137374A CN 102137374 A CN102137374 A CN 102137374A CN 2010102803459 A CN2010102803459 A CN 2010102803459A CN 201010280345 A CN201010280345 A CN 201010280345A CN 102137374 A CN102137374 A CN 102137374A
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China
Prior art keywords
access information
charging
call
user terminal
request message
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CN2010102803459A
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Chinese (zh)
Inventor
陈武坤
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN2010102803459A priority Critical patent/CN102137374A/en
Priority to PCT/CN2011/074101 priority patent/WO2011137770A1/en
Publication of CN102137374A publication Critical patent/CN102137374A/en
Pending legal-status Critical Current

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    • 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
    • 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
    • H04L12/1428—Invoice generation, e.g. customization, lay-out, database processing, algorithms for calculating the bill or formatting invoices as WWW pages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • 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
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/41—Billing record details, i.e. parameters, identifiers, structure of call data record [CDR]
    • 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
    • H04M15/43—Billing software details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/204—UMTS; GPRS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/208—IMS, i.e. Integrated Multimedia messaging Subsystem

Abstract

The embodiment of the invention discloses a charging call ticket generating method, system and device based on a multimedia subsystem, applied to the technical field of communications. The charging call ticket generating method disclosed by the embodiment of the invention comprises the steps of: receiving a call request message, storing access information of a calling user terminal, carried in the calling request message, and sending the calling request message to a called network; receiving a calling response message returned by the called network, and storing access information of a called user terminal, carried in the calling response message; and adding the access information of the calling user terminal and the access information of the called user terminal in a charging request message, sending the charging request message to a charging and collecting function (CCF) entity in a network protocol multimedia subsystem of a calling network, and generating a charging call ticket by the CCF entity according to the access information of the calling user terminal and the access information of the called user terminal. According to the invention, the process of generating the charging call ticket when the user terminals initiate a call through an IMS (IP Multimedia Subsystem) is simplified.

Description

Charging ticket generating method, system and equipment based on IP multimedia subsystem, IMS
Technical field
The present invention relates to communication technical field, particularly based on charging ticket generating method, system and the equipment of IP multimedia subsystem, IMS.
Background technology
Network protocol multi-media sub-system (IP Multimedia Subsystem, IMS) be third generation communication (The third generation Partnership Project, 3GPP) a kind of telecommunications core net of future generation of supporting IP multimedia service of tissue proposition.
The IMS system uses application layer conversation agreement (Session Initiation Protocol, SIP) call out controlling mechanism various types of multimedia services of creating, manage and terminate, various types of clients all may be set up IP communication end to end by the IMS system, and can obtain needed service quality.The IMS system also has provides the necessary function of multimedia service such as registration, safety, charging, carrying control, roaming etc.
When process such as user terminal such as mobile phone, telephone set IMS system makes a call, by Mobile Access Gateway controlled function entity (Mobile Access Gateway Control Function, mAGCF) be linked in the IMS network system, (Application Server AS) provides IMS business by the application server in the IMS network system.
When above-mentioned existing user terminal is conversed through the IMS system, mAGCF in the call network of this user terminal can generate the charging bill that this user terminal is called out, and AS in the IMS system and Charging Collection Function entity (Charging Collection Function, CCF) cooperation generates the charging bill of the IMS business of this user terminal, this just needs operator by extra system equipment such as mediation devices (MEDIATION), or the BOSS system carries out related merging to the charging bill of mAGCF and AS network element, promptly be associated with same customer call, at last store ticket after this association merges by CCF.Make the collection more complicated of user terminal like this through charge information in the calling of IMS system.
Summary of the invention
The embodiment of the invention provides charging ticket generating method, system and the equipment based on IP multimedia subsystem, IMS, has simplified the flow process that charging bill generated when user terminal passed through the IMS system calling.The embodiment of the invention provides
A kind of charging ticket generating method based on IP multimedia subsystem, IMS that the embodiment of the invention provides comprises:
The receipt of call request message stores the access information of the call subscriber terminal that carries in the described call request message, and described call request message is sent to called network;
Receive the call message that described called network returns, store the access information of the called user terminal that carries in the described call message;
The access information of described call subscriber terminal and the access information of called user terminal are added in the charging request message, send to the Charging Collection Function entity in the caller network of network protocol multi-media sub-system, so that described Charging Collection Function entity is according to the access information generation charging bill of described calling subscriber and terminal called user terminal.
The embodiment of the invention also provides a kind of application server, comprising:
First acquiring unit is used for the receipt of call request message, stores the access information of the call subscriber terminal that carries in the described call request message, and described call request message is sent to called network;
Second acquisition unit is used to receive the call message that described called network returns, and stores the access information of the called user terminal that carries in the described call message;
The first ticket generation unit, be used for the access information of call subscriber terminal that described first acquiring unit is stored and the access information of the called user terminal that described second acquisition unit stores and add charging request message to, send to the Charging Collection Function entity, so that described Charging Collection Function entity is according to the access information generation charging bill of described call subscriber terminal and called user terminal.
The embodiment of the invention also provides a kind of network equipment, comprising:
Call out receiving element, be used to receive the call request message that user terminal sends;
Access information obtains the unit, is used for obtaining according to the identification information of described call request message call subscriber terminal the access information of call subscriber terminal;
Call out and send generation unit, be used for adding described call subscriber terminal to described call request message, send to application server, so that described application server is initiated the request of chargeing to the Charging Collection Function entity, ask described Charging Collection Function entity to generate charging bill according to the access information of described call subscriber terminal and called user terminal.
A kind of charging bill generation system based on IP multimedia subsystem, IMS that the embodiment of the invention provides comprises: application server, Mobile Access Gateway controlled function entity and Charging Collection Function entity;
Described Mobile Access Gateway controlled function entity is used to receive the call request message that user terminal sends, and obtains the access information of correspondence according to the identification information of the call subscriber terminal in the described call request message; The access information ground of described call subscriber terminal is added in the described call request message, send to application server;
Described application server is used to receive the call request message that described Mobile Access Gateway controlled function entity sends, and stores the access information of the call subscriber terminal that carries in the described call request message, and described call request message is sent to called network; Receive the call message that described called network returns, store the access information of the called user terminal that carries in the described call message; The access information of described call subscriber terminal and the access information of called user terminal are added in the charging request message, send to the Charging Collection Function entity in the caller network of network protocol multi-media sub-system.
Described Charging Collection Function entity is used for the access information according to described call subscriber terminal and called user terminal, generates charging bill.
The charging ticket generating method of the embodiment of the invention comprises: store the access information of the call subscriber terminal that carries in the call request message that receives, store the access information of the called user terminal that carries in the call message that receives; And the access information of called user terminal and called user terminal added in the charging request message, sending to CCF, CCF just can generate charging bill according to the access information of call subscriber terminal and called user terminal like this.Owing to will generating the necessary user terminal access information of call charging ticket, the AS that in the embodiment of the invention is the caller network side sends to CCF by charging request message, by unified call charging ticket and the IMS service billing ticket of generating of CCF, operator can carry out the association merging of charging bill by extra equipment like this, has simplified the flow process that charging bill generated when user terminal passed through the IMS system calling.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Structural representation when Fig. 1 is based on the IMS system and calls out;
Fig. 2 is the flow chart based on the charging ticket generating method of IP multimedia subsystem, IMS that the inventive method embodiment one provides;
Fig. 3 is the flow chart based on the charging ticket generating method of IP multimedia subsystem, IMS that the inventive method embodiment two provides;
Fig. 4 is the flow chart based on the charging ticket generating method of IP multimedia subsystem, IMS that the inventive method embodiment three provides;
Fig. 5 is the flow chart based on the charging ticket generating method of IP multimedia subsystem, IMS that the inventive method embodiment four provides;
Fig. 6 is the flow chart that the charging ticket generating method based on IP multimedia subsystem, IMS that the inventive method embodiment provides is applied to example;
Fig. 7 is the structural representation of the application server that provides of present device embodiment one;
Fig. 8 is the structural representation of the Mobile Access Gateway controlled function entity that provides of present device embodiment two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Method embodiment one
A kind of charging ticket generating method based on IP multimedia subsystem, IMS (hereinafter to be referred as the IMS system), present embodiment are adapted to the method that application server is carried out in as shown in Figure 1 the charging bill generation system, and method flow diagram comprises as shown in Figure 2:
Step 101, receipt of call request message store the access information of the call subscriber terminal that carries in the call request message, and this call request message is sent to called network.
With reference to shown in Figure 1, when call subscriber terminal passes through the IMS system when the called subscriber makes a call, can send call request message (INVITE), this call request message inserts the Mobile Access Gateway controlled function entity (hereinafter to be referred as mAGCF) that arrives in the caller network by the calling subscriber; MAGCF can (Home LocationRegister HLR) obtains carrying that the access information of call subscriber terminal such as customer location district, travelling carriage rank, calling network reference number, user use or telecommunication service type etc. to attaching position register according to the identification information of this user terminal in the call request message;
Be appreciated that, after mAGCF expands the header field of call request message and/or codomain, the access information of call subscriber terminal is added in the header field and/or codomain of expansion, and be mapped to the professional control of IMS (IMS service control, ISC) interface, send to application server (hereinafter to be referred as AS), (Call Session Control Function CSCF) sends to specific AS to this call request message through call conversation control function entity;
After AS receives call request message from ISC interface, can resolve the header field of this call request message and/or access information that codomain obtains call subscriber terminal and store; And this call request message sent to called network by CSCF; Here, called network also can be the calling structure based on the IMS system shown in the structure of main dialing user among Fig. 1, also can not be based on the calling structure of IMS system.
Be appreciated that information that the access information of the call subscriber terminal here is meant the current access network of call subscriber terminal as the access information at circuit commutative field (CS), comprises the necessary information of charging bill of calling out that generates.
The call message that step 102, reception called network return, the access information of the called user terminal that carries in the storage call message.
Be appreciated that, if called network is based on the calling structure of IMS system, then call request message arrives the mAGCF in the called network, and mAGCF obtains the access information of called user terminal such as customer location district, travelling carriage rank, calling network reference number etc. from the HLR of called user terminal correspondence; And the header field and/or the codomain of expansion call message, and add the access information of called user terminal the header field and/or the codomain of the call message of expansion to, and returning to the caller network, this call message arrives AS through CSCF; AS receives call message, and the access information that the header field of parsing expansion and/or codomain obtain called user terminal stores.
If called network is not based on the calling structure of IMS system, then call request message arrives be in the called network mobile switching centre (Mobile Switching Center, MSC); After MSC obtains the access information of called user terminal, expand the header field and/or the codomain of call message, and the access information of called user terminal is carried in the header field and/or codomain of expansion, return to the caller network; This call message arrives AS through CSCF, and AS receives call message, resolves the access information that obtains called user terminal and stores.
The access information of the called user terminal here is meant the information of the current access network of called user terminal, comprises the necessary information of charging bill of calling out that generates.
Step 103, add the access information of call subscriber terminal and the access information of called user terminal to charging request message (Accounting Request, ACR) in, send to the Charging Collection Function entity in the network protocol multi-media sub-system IMS system in this caller network, so that Charging Collection Function entity (C F) is according to the access information generation charging bill of call subscriber terminal and called user terminal.
AS can be by the extended attribute value to (Attribute Value Pairs, AVP) header field of the charging request message of form and/or codomain, the head of the charging request message of expansion and/add the access information of call subscriber terminal and called user terminal in territory or the codomain.And in charging request message, also comprise the IMS service related information of call subscriber terminal correspondence, after CCF receives charging request message like this, can generate IMS service billing ticket.
Be appreciated that, CCF is receiving charging request message, when generating charging bill according to wherein access information, generate the called charging bill of calling and the charging bill of IMS business, wherein the generation method of the called charging bill of calling such as existing mAGCF generate the method unanimity of ticket, in generative process, need generate according to the access information of call subscriber terminal and called user terminal; And when generating the charging bill of IMS business, be that the IMS business information according to the call subscriber terminal correspondence generates, specifically generation method is existing flow process, does not repeat them here.
For example: calling terminal A calls out terminal called B at customer location district a1, this moment, terminal called B was at customer location district b1, then CCF according in the charging policy about the charging way of the terminal of the terminal call customer location district b1 of customer location district a1, generate the charging bill of calling out, and, generate the charging bill of IMS etc. according to the charging way of the IMS type of service of using about user terminal A in the charging policy.
As seen, the charging ticket generating method of the embodiment of the invention comprises: store the access information of the call subscriber terminal that carries in the call request message that receives, store the access information of the called user terminal that carries in the call message that receives; And the access information of called user terminal and called user terminal added in the charging request message, sending to the CCF in the IMS system in the caller network, CCF just can generate charging bill according to the access information of call subscriber terminal and called user terminal like this.Because among this method embodiment, system need not pass through mAGCF, and AS and the independent ticket that generates separately of CCF, send to CCF but will generate the necessary user terminal access information of calling ticket by charging request message, call out and the professional ticket of IMS by unified generation of CCF, operator can carry out the association merging of charging bill by extra equipment like this, has simplified the flow process that charging bill generated when user terminal passed through the IMS system calling.
Need to prove, because the calling in the IMS system is to use the Session Initiation Protocol signaling, then the call request message of mentioning in the above-mentioned steps is a sip message, and call message also may be sip message, therefore mAGCF is at the access information that obtains call subscriber terminal, can expand the charging of SIP call request message and collect header field (P-Charging-Vector) and/or accesses network sign header field (P-Visited-Network-ID), with the P-Charging-Vector header field/or the P-Visited-Network-ID header field carry the access information of call subscriber terminal.
The access information of call subscriber terminal is added in the sip message header field of expansion, wherein, in the P-Charging-Vector header field, can add the access information as shown in following table 1, wherein user's travelling carriage rank, calling network reference number, detailed cause value and release type are the access informations that must add, and out of Memory then can add according to choosing wherein one or more wantonly without the requirement of operator:
Table 1
Figure BSA00000268791400071
And in the P-Visited-Network-ID header field, can add access information as shown in following table 2:
Table 2
The access information title The access information definition Form
The E.164 string of MSC number NA Character string (2..9)
Be appreciated that, if called network is based on the calling structure of IMS system, then the mAGCF of called network obtains the access information of called user terminal, can expand the P-Charging-Vector header field and/or the P-Visited-Network-ID header field of SIP call message, the access information of called user terminal is added in the sip message header field of expansion, in the P-Charging-Vector header field, remove the information necessary in the above-mentioned table 1 of adding, it is user's travelling carriage rank, the calling network reference number, cause value and release type also need to add the access information shown in the following table 3 in detail; And in the P-Visited-Network-ID header field, can add the as above access information shown in the table 2:
Table 3
Called access information title The access information definition Form
Called roaming number Roaming?Number Character string (1..32)
Called international mobile subscriber identity IMSI Called?IMSI Character string (1..32)
Called International Mobile Equipment Identity sign indicating number IMEI Called?IMEI Character string (1..32)
In a specific embodiment, optionally, the method for present embodiment can also comprise step 104 and 105:
Step 104, receive the Mobile Access Gateway controlled function entity of caller network, or user's handoff notification message of sending of called network, comprise in the handoff notification message that the current place of call subscriber terminal or called user terminal inserts the access information of sub-district;
Be appreciated that, behind call through, caller and called user terminal may move in the minizone, when arbitrary user terminal of both call sides mobile causes the sub-district to be switched, the access information of user terminal will change, just need the mAGCF of sub-district, active user's terminal place to send user's handoff notification message, wherein carry the access information that the sub-district is inserted at the current place of user terminal to the AS in the IMS system.
Step 105, the access information that the sub-district is inserted at the current place of call subscriber terminal or called user terminal add in the charging request message, send to the Charging Collection Function entity, so that the Charging Collection Function entity inserts the access information generation switch metering ticket of sub-district according to call subscriber terminal or the current place of called user terminal.
AS is after receiving user's handoff notification message, parsing obtains the wherein access information of access sub-district, the current place of user terminal, and the access information that the sub-district is inserted at the current place of user terminal by charging request message sends to CCF, then CCF can regenerate the switch metering ticket, described in specific implementation method such as the above-mentioned step 103, do not repeat them here.
When causing access information to change along with the change in location of calling both sides like this, the information after mAGCF will change in time reports AS, is initiated to the renewal of the charging bill of CCF by AS, raising the real-time of charging.
Method embodiment two
A kind of charging ticket generating method based on IP multimedia subsystem, IMS, the method of present embodiment is applicable in as shown in Figure 1 the system, be the performed method of Mobile Access Gateway controlled function entity of call subscriber terminal network side, method flow diagram comprises as shown in Figure 3:
The call request message that step 201, reception call subscriber terminal send.
Be appreciated that when call subscriber terminal makes a call based on the IMS system, can send call request message, this call request message arrives corresponding AS through mAGCF.
Step 202, obtain corresponding access information according to the identification information of the call subscriber terminal in the call request message.
After mAGCF receives call request message, identification information according to call subscriber terminal wherein obtains corresponding access information to HLR, and this access information stores in register when the call subscriber terminal access to mobile network, this flow process is existing flow process, does not give unnecessary details at this.And the access information of call subscriber terminal is meant the access information of the current place of call subscriber terminal access network here, be to generate the necessary information of call charging ticket, concrete access information must comprise that the information as necessary in the above-mentioned table 1 is user's travelling carriage rank, calling network reference number, detailed cause value and release type, and/or the information shown in the table 2.
Step 203, the access information of call subscriber terminal is added in the call request message, send to application server, so that the Charging Collection Function entity of application server in the IMS of caller network system initiated the request of chargeing, request Charging Collection Function entity generates charging bill according to the access information of call subscriber terminal and the access information and the corresponding charging policy of called user terminal.
Be appreciated that, based on the IMS system calling time, call request message is a Session Initiation Protocol message, mAGCF can expand the P-Charging-Vector header field and/or the P-Visited-Network-ID header field of SIP call request message, the access information of call subscriber terminal is added in the header field of SIP call request message of expansion, send to application server, as described in the method embodiment one, do not repeat them here for the manner of execution of application server.
And the IMS service related information that also comprises the call subscriber terminal correspondence in charging request message promptly generates the necessary information of IMS service billing ticket, after CCF receives charging request message like this, can generate IMS service billing ticket.
As seen, the list generating method of the embodiment of the invention comprises: the mAGCF of call subscriber terminal network side reports application server by call request message with the access information of call subscriber terminal, and do not generate the call charging ticket, application server is to the CCF request of chargeing like this, request CCF carries out ticket and generates, the CCF unification will generate the information of call charging ticket and IMS service billing ticket and all collect, generate charging bill, just equipment that can be extra carries out the merging association of ticket, has simplified the flow process that charging bill generated when user terminal passed through the IMS system calling.
In a specific embodiment, the method for present embodiment can also comprise:
Step 204, after call subscriber terminal take place to insert the sub-district and switches, send user's handoff notification message to application server, comprise that in handoff notification message the current place of call subscriber terminal inserts the access information of sub-district; So that application server is initiated the request of chargeing to the Charging Collection Function entity, the access information that request Charging Collection Function entity inserts the sub-district according to the current place of call subscriber terminal generates the switch metering ticket.
Be appreciated that, mAGCF can expand the P-Charging-Vector header field and/or the P-Visited-Network-ID header field of handoff notification message, and the access information of call subscriber terminal present access subzone added in the header field of expansion, send to application server.
When causing access information to change along with the change in location of call subscriber terminal like this, the information after mAGCF will change in time reports AS, is initiated to the renewal of the charging bill of CCF by AS, raising the real-time of charging.
Method embodiment three
A kind of charging ticket generating method based on IP multimedia subsystem, IMS, the method of present embodiment is applicable in as shown in Figure 1 the system, the method of present embodiment is the performed method of Mobile Access Gateway controlled function entity of called user terminal network side, and method flow diagram comprises as shown in Figure 4:
The call message that step 301, reception called user terminal send.
Be appreciated that, called network in this embodiment is based on the calling structure of IMS system, when called user terminal receives based on the calling of IMS system, can return call message, this call message returns to the call subscriber terminal network side through mAGCF.
Step 302, obtain corresponding access information according to the identification information of the called user terminal in the call message.
After mAGCF receives call message, identification information according to called user terminal wherein obtains corresponding access information to HLR, and this access information stores in register when the called user terminal access to mobile network, this flow process is existing flow process, does not give unnecessary details at this.And the access information of called user terminal is meant the access information of the current place of called user terminal access network here, be to generate the necessary information of call charging ticket, concrete access information must comprise that the necessary information shown in above-mentioned table 1 is user's travelling carriage rank, calling network reference number, the information shown in cause value and release type and the table 3 in detail.
Step 303, the access information of called user terminal is added in the call message, send to application server, so that application server is initiated the request of chargeing to the Charging Collection Function entity, request Charging Collection Function entity generates charging bill according to the access information of called user terminal and the access information of call subscriber terminal.
Be appreciated that, based on the IMS system calling time, call message is Session Initiation Protocol message, mAGCF can expand the P-Charging-Vector header field and/or the P-Visited-Network-ID header field of SIP call message, the access information of called user terminal is added in the header field of SIP call message of expansion, send to application server, as described in the method embodiment one, do not repeat them here for the manner of execution of application server.
As seen, the list generating method of the embodiment of the invention comprises: the mAGCF of called user terminal network side offers application server by call message with the access information of called user terminal, and do not generate the call charging ticket, application server is to the CCF request of chargeing like this, request CCF carries out ticket and generates, the CCF unification will generate the information of call charging ticket and IMS service billing ticket and all collect, generate ticket, just equipment that can be extra carries out the merging association of ticket, has simplified the flow process that charging bill generated when user terminal passed through the IMS system calling.
In a specific embodiment, the method for present embodiment can also comprise:
Step 304, after called user terminal take place to insert the sub-district and switches, send user's handoff notification message to application server, comprise that in handoff notification message the current place of called user terminal inserts the access information of sub-district; So that application server is initiated the request of chargeing to the Charging Collection Function entity, request Charging Collection Function entity is according to the access information of access sub-district, the current place of called user terminal, and corresponding charging policy generates the switch metering ticket.
Be appreciated that, mAGCF can expand the P-Charging-Vector header field and/or the P-Visited-Network-ID header field of handoff notification message, and the access information of called user terminal present access subzone added in the header field of expansion, send to application server.
When causing access information to change along with the change in location of called user terminal like this, the information after mAGCF will change in time reports AS, is initiated to the renewal of the charging bill of CCF by AS, raising the real-time of charging.
Method embodiment four
A kind of charging ticket generating method based on IP multimedia subsystem, IMS, the method for present embodiment is applicable to system as shown in Figure 1, and present embodiment is the performed method of CCF in the IMS system of caller network, and flow chart comprises as shown in Figure 5:
The charging request message that the application server of step 401, receiving network protocol multimedia subsystem, IMS sends is carried the access information of call subscriber terminal and called user terminal in charging request message.
The caller of carrying in the charging request message and the access information of called user terminal are obtained to HLR by mAGCF (or MSC) in caller and networking, the current place of the called user terminal side respectively, and send to AS's by call request message and call message respectively.
The access information here is meant that user terminal inserts the information of call network, is the necessary information of call charging ticket that generates.The access information of call subscriber terminal shown in above-mentioned table 1 and table 2, the access information of called user terminal as above-mentioned table 1 to shown in 3.
Be appreciated that the IMS service related information that in charging request message, also comprises the call subscriber terminal correspondence, promptly generate the necessary information of IMS service billing ticket, after CCF receives charging request message like this, can generate IMS service billing ticket.
Step 402, parsing charging request message obtain calling subscriber and called subscriber's access information.
Step 403, generate charging bill according to calling subscriber and called subscriber's access information.
Be appreciated that, CCF is receiving charging request message, when generating charging bill, generate the called charging bill of calling, wherein the generation method of the called charging bill of calling such as the method unanimity that existing mAGCF generates ticket according to wherein access information; CCF also will generate the IMS service billing ticket of this call subscriber terminal correspondence simultaneously, and the charging bill of IMS business is an existing procedure, does not repeat them here.
For example: calling terminal A calls out terminal called B at customer location district a1, this moment, terminal called B was at customer location district b1, then CCF according in the charging policy about the charging way of the terminal of the terminal call customer location district b1 of customer location district a1, generate the charging bill of calling out, and, generate the charging bill of IMS etc. according to the charging way of the IMS type of service of using about user terminal in the charging policy.
As seen, the charging ticket generating method of the embodiment of the invention comprises: CCF receives AS and sends charging request message, and according to the access information of call subscriber terminal that wherein carries and called user terminal, and corresponding charging policy generates charging bill.After will generating the necessary information gathering of call charging ticket by CCF like this, generate the charging bill of calling out in this calling procedure, generate IMS service billing ticket simultaneously, just equipment that need not be extra carries out the telephone bill association merging, has simplified the flow process that generates based on charging bill in the calling of IMS system.
In a specific embodiment, the method for present embodiment can also comprise:
Step 404, reception charging request message are wherein carried the access information that the sub-district is inserted at the current place of call subscriber terminal or called user terminal; According to the access information of call subscriber terminal or access sub-district, the current place of called user terminal, and corresponding charging policy generates the switch metering ticket.
When causing access information to change along with the change in location of calling both sides like this, information after mAGCF will change in time reports AS, be initiated to the renewal of the charging bill of CCF by AS, CCF can switch the access information that the sub-district is inserted at current place, back according to user terminal, generate the switch metering ticket, raising the real-time of chargeing.
Below by a concrete application example method that the embodiment of the invention provides is described, caller network and called network all are based on the calling structure of IMS system in the present embodiment, method flow diagram comprises as shown in Figure 6:
Step 501, call subscriber terminal send call request message;
After the mAGCF of step 502, call subscriber terminal network side receives the call request message of user terminal, according to the user terminal identification of call subscriber terminal wherein, to the access information of this call subscriber terminal of HLR request acquisition, as customer location district, travelling carriage rank, calling network reference number etc.
And HLR is by being mapped to these access informations ISDNYong Hubufen (Integrated ServicesDigital Network User Part, ISUP), MAP (Mobile Application Part, MAP), transaction ability applying portion (Transaction Capability Application Part, TCAP) in the protocol signaling, send to mAGCF; The P-Charging-Vector header field and the P-Visited-Network-ID header field of the call request message of mAGCF expansion Session Initiation Protocol, the access information of the call subscriber terminal that obtains is added in these two header fields, is contents through the P-Charging-Vector header field after the expansion as following table 4:
Table 4
Figure BSA00000268791400141
Figure BSA00000268791400151
And the content of the P-Visited-Network-ID header field after the expansion is: P-Visited-Network-ID: " 8613900139 ".
After the call request message header field of expansion has added the access information of call subscriber terminal, formed INVITE, mAGCF sends to AS with INVITE by CSCF.
After step 503, AS received INVITE, P-Charging-Vector header field in the parsing INVITE and P-Visited-Network-ID header field obtained the access information of call subscriber terminal and preserve.
Step 504, AS send to called user terminal place network side by CSCF with this INVITE.
Step 505, called user terminal place network side are returned call message such as 18X message or 200 message by CSCF and are given AS, carry the access information of called user terminal at the P-Charging-Vector of call message header field and P-Visited-Network-ID header field.
Be appreciated that, the P-Charging-Vector header field of call message and P-Visited-Network-ID header field are in the method for the access information that carries called user terminal, method with reference to the access information that carries call subscriber terminal in the call request message does not repeat them here.
After step 506, AS received call message, P-Charging-Vector header field in the parsing call message and P-Visited-Network-ID header field obtained the access information of called user terminal and preserve.
The header field or the codomain of the charging request message of step 507, AS expansion AVP form, the access information of the called user terminal of preserving in the access information of the call subscriber terminal of in the header field interpolation step 503 of expansion, preserving and the step 506; And the charging request message after the interpolation information sent to CCF by Rf interface.
In charging request message, also comprise the IMS service related information of call subscriber terminal correspondence, after CCF receives charging request message like this, can generate IMS service billing ticket.
After CCF received charging request message, according to called and access information call subscriber terminal, and corresponding charging policy generated call charging ticket and IMS service billing ticket, and concrete generative process does not repeat them here as described in the embodiment one.
Optionally, if produced switching in the communication process, then also comprise the steps:
Step 508, the sub-district switching has taken place in call subscriber terminal in communication process, P-Charging-Vector header field and the P-Visited-Network-ID header field of the mAGCF of sub-district by expansion handoff notification message (INFO) inserted at current place, in the header field of expansion, add the access information of call subscriber terminal present access subzone, and the handoff notification message behind the interpolation access information is sent to AS.
After step 509, AS receive this handoff notification message, send charging request message and carry out the generation of switch metering ticket to CCF.
In the present embodiment, by AS the access information of call subscriber terminal and the access information of called user terminal are added in the charging request message, send to CCF, CCF just can reach and preset strategy generation charging bill accordingly according to the access information of call subscriber terminal and called user terminal like this.Because mAGCF in system, with need not generate call charging ticket and IMS service billing ticket on the CCF respectively, but will generate the necessary user terminal access information of call charging ticket by AS, and generate the necessary IMS business information of IMS service billing ticket and be carried at charging request message and send to CCF, call out and IMS service billing ticket by unified generation of CCF, operator can carry out related merging to the ticket of mAGCF and each self-generating of CCF by extra equipment like this, the flow process that charging bill generates when having simplified user terminal by the IMS system calling.
Apparatus embodiments one
A kind of application server, structural representation comprise as shown in Figure 7:
First acquiring unit 10 is used for the receipt of call request message, stores the access information of the call subscriber terminal that carries in the call request message, and call request message is sent to called network;
Be appreciated that information that the access information of the call subscriber terminal here is meant the current access network of call subscriber terminal as the access information at circuit commutative field (CS), comprises the necessary information of charging bill of calling out that generates.Concrete information is shown in above-mentioned table 1 and table 2.
When call subscriber terminal passes through the IMS system when the called subscriber makes a call, can send call request message, this call request message inserts by the calling subscriber and arrives mAGCF; After mAGCF obtains the access information of call subscriber terminal, can expand the P-Charging-Vector header field and/or the P-Visited-Network-ID header field of call request message, and after adding the access information of call subscriber terminal the header field of expansion to, send to AS, this call request message can arrive AS by CSCF.After then caller information obtains unit 10 and receives call request message, can resolve the header field of this message, obtain the access information of call subscriber terminal after, call request message is sent to called network.
Second acquisition unit 11 is used to receive the call message that called network returns, and stores the access information of the called user terminal that carries in the call message;
The access information of the called user terminal here is meant the information of the current access network of called user terminal, comprises the necessary information of charging bill of calling out that generates.Concrete information arrives shown in the table 3 as above-mentioned table 1.
Call request message arrives the mAGCF or the MSC at called networking, obtain the access information of called user terminal by mAGCF or MSC, can expand the P-Charging-Vector header field and/or the P-Visited-Network-ID header field of call message, and after adding the access information of called user terminal the header field of expansion to, send to AS.After second acquisition unit 11 receives call message, can resolve the header field of this message, obtain the access information of called user terminal.
The first ticket generation unit 12, be used for the access information of call subscriber terminal that first acquiring unit 10 is stored and the access information of the called user terminal that second acquisition unit 11 stores and add charging request message to, send to the Charging Collection Function entity in the IMS system of caller network, so that the Charging Collection Function entity generates charging bill according to the access information of call subscriber terminal and called user terminal.
The first ticket generation unit 12 can pass through the header field and/or the codomain of the charging request message of expansion AVP form, in the header field of charging request message of expansion and/or codomain, add the access information of call subscriber terminal and called user terminal, after CCF receives charging request message like this, according to the access information of calling subscriber and called user terminal, and the charging policy relevant with calling generates this calling corresponding call charging ticket of title excessively.
And the IMS service related information that also comprises the call subscriber terminal correspondence in charging request message promptly generates the necessary information of IMS service billing ticket, after CCF receives charging request message like this, can generate IMS service billing ticket.
As seen, in the application server of present embodiment: first acquiring unit 10 stores the access information of the call subscriber terminal that carries in the call request message that receives, and second acquisition unit 11 stores the access information of the called user terminal that carries in the call message that receives; And add in the charging request message by the access information of the first ticket generation unit 12 with called user terminal and called user terminal, send to the CCF in the IMS system in the caller network, CCF just can generate charging bill according to the access information of call subscriber terminal and called user terminal like this.Because application server is the necessary user terminal access information of ticket to be called out in generation send to CCF by charging request message among this method embodiment, call out and the professional ticket of IMS by unified generation of CCF, operator can carry out the association merging of charging bill by extra equipment like this, has simplified the flow process that charging bill generated when user terminal passed through the IMS system calling.
The application server that is appreciated that present embodiment can also comprise:
The 3rd acquiring unit 13, be used to receive the Mobile Access Gateway controlled function entity of caller network, or user's handoff notification message of called network transmission, store the access information that comprises call subscriber terminal or access sub-district, the current place of called user terminal in the handoff notification message;
Switch ticket generation unit 14, be used for the access information that the sub-district is inserted at the handoff notification message call subscriber terminal or the current place of called user terminal of 13 storages of the 3rd acquiring unit is added in the charging request message, send to the Charging Collection Function entity, so that the Charging Collection Function entity inserts the access information generation switch metering ticket of sub-district according to call subscriber terminal or the current place of called user terminal.
Behind call through, when caller and the switching of called user terminal generation sub-district, the mAGCF of sub-district, active user's terminal place sends user's handoff notification message to the AS in the IMS system, after receiving user's handoff notification message, the 3rd acquiring unit 13 stores access information, by switching the access information that ticket generation unit 14 inserts the current place of the user terminal that comprises in user's handoff notification message the sub-district, add in the charging request message, send to CCF and generate charging bill.When causing access information to change along with the change in location of calling both sides like this, the information after mAGCF will change in time reports AS, is initiated to the renewal of the charging bill of CCF by the AS in the present embodiment, raising the real-time of charging.
Apparatus embodiments two
A kind of network equipment, the equipment of present embodiment can be the mAGCF of caller network, and structural representation comprises as shown in Figure 8:
Call out receiving element 20, be used to receive the call request message that user terminal sends;
Access information obtains unit 21, is used for obtaining according to the identification information of the call subscriber terminal of calling out the call request message that receiving element 20 receives the access information of call subscriber terminal;
Call out and send generation unit 22, the access information that is used for access information is obtained the call subscriber terminal that unit 21 obtains adds call request message to, send to application server, so that application server is initiated the request of chargeing to the Charging Collection Function entity, request Charging Collection Function entity generates charging bill according to the access information of call subscriber terminal.
Be appreciated that, when call subscriber terminal makes a call based on the IMS system, can send call request message, this call request message can arrive mAGCF, by the 20 receipt of call request messages of the calling receiving element among the mAGCF, access information obtains unit 21 obtains call subscriber terminal according to the identification information of call subscriber terminal in the call request message access information, and add to and send to AS in the call request message by call out sending the access information of generation unit 22 with this call subscriber terminal, send to called network by AS again.
Application server is to the CCF request of chargeing like this, request CCF carries out ticket and generates, the CCF unification will generate the information of call charging ticket and IMS service billing ticket and all collect, generate charging bill, just equipment that can be extra carries out the merging association of ticket, has simplified the flow process that charging bill generated when user terminal passed through the IMS system calling.
Be appreciated that the network equipment can also comprise in a specific embodiment:
Switch transmission generation unit 23, be used for after the sub-district switching takes place to insert call subscriber terminal, sending user's handoff notification message, comprise the access information of access sub-district, the current place of call subscriber terminal in the handoff notification message to application server;
So that application server is initiated the request of chargeing to the Charging Collection Function entity, request Charging Collection Function entity is according to the access information of access sub-district, the current place of call subscriber terminal, and corresponding charging policy generates the switch metering ticket.
When causing access information to change along with the change in location of call subscriber terminal like this, switch the AS that the information that will send after generation unit 23 will change in time reports the caller network, be initiated to the renewal of the charging bill of CCF by AS, raising the real-time of charging.
The embodiment of the invention also provides a kind of charging bill generation system based on IP multimedia subsystem, IMS, comprise: application server, Mobile Access Gateway controlled function entity, with the Charging Collection Function entity, pass through between each equipment in this system as the described method of method embodiment, carry out the generation of charging bill, wherein:
Mobile Access Gateway controlled function entity is used to receive the call request message that user terminal sends, and obtains the access information of correspondence according to the identification information of the call subscriber terminal in the call request message; The access information ground of call subscriber terminal is added in the call request message, send to application server;
Application server is used to receive the call request message that Mobile Access Gateway controlled function entity sends, and stores the access information of the call subscriber terminal that carries in the call request message, and call request message is sent to called network; Receive the call message that called network returns, store the access information of the called user terminal that carries in the call message; The access information of call subscriber terminal and the access information of called user terminal are added in the charging request message, send to the Charging Collection Function entity among the caller network of network protocol multi-media sub-system IMS;
The Charging Collection Function entity is used for the access information according to call subscriber terminal and called user terminal, generates charging bill.
Optionally, application server, also be used to receive the Mobile Access Gateway controlled function entity of caller network, or user's handoff notification message of sending of called network, comprise in the handoff notification message that the current place of call subscriber terminal or called user terminal inserts the access information of sub-district; The access information of call subscriber terminal or access sub-district, the current place of called user terminal is added in the charging request message, send to the Charging Collection Function entity; The Charging Collection Function entity also is used for the access information according to call subscriber terminal or access sub-district, the current place of called user terminal, generates the switch metering ticket.
Application server can be an application server shown in Figure 7, and Mobile Access Gateway controlled function entity can be the network equipment shown in Figure 8.
In the charging ticket generating method of the embodiment of the invention, system and the equipment: store the access information of the call subscriber terminal that carries in the call request message that receives, store the access information of the called user terminal that carries in the call message that receives; And the access information of called user terminal and called user terminal added in the charging request message, sending to CCF, CCF just can generate charging bill according to the access information of call subscriber terminal and called user terminal like this.Owing to will generating the necessary user terminal access information of call charging ticket, the AS that in the embodiment of the invention is the caller network side sends to CCF by charging request message, by unified call charging ticket and the IMS service billing ticket of generating of CCF, operator can carry out the association merging of charging bill by extra equipment like this, has simplified the flow process that charging bill generated when user terminal passed through the IMS system calling.
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, and storage medium can comprise: read-only memory (ROM), random-access memory (ram), disk or CD etc.
More than to the charging ticket generating method based on IP multimedia subsystem, IMS, system and equipment that the embodiment of the invention 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 (11)

1. the charging ticket generating method based on IP multimedia subsystem, IMS is characterized in that, comprising:
The receipt of call request message stores the access information of the call subscriber terminal that carries in the described call request message, and described call request message is sent to called network;
Receive the call message that described called network returns, store the access information of the called user terminal that carries in the described call message;
The access information of described call subscriber terminal and the access information of called user terminal are added in the charging request message, send to the Charging Collection Function entity in the caller network of network protocol multi-media sub-system, so that described Charging Collection Function entity is according to the access information generation charging bill of described calling subscriber and terminal called user terminal.
2. the method for claim 1 is characterized in that, also comprises:
Receive the Mobile Access Gateway controlled function entity of caller network, or user's handoff notification message of sending of called network, comprise in the described handoff notification message that the current place of call subscriber terminal or called user terminal inserts the access information of sub-district;
The access information of described call subscriber terminal or access sub-district, the current place of called user terminal is added in the charging request message, send to described Charging Collection Function entity, so that described Charging Collection Function entity generates the switch metering ticket according to the access information of described call subscriber terminal or access sub-district, the current place of called user terminal.
3. method as claimed in claim 1 or 2 is characterized in that,
The access information of described call subscriber terminal is carried at the charging of described call request message and collects among header field P-Charging-Vector and/or the accesses network sign header field P-Visited-Network-ID;
The access information of described called user terminal is carried at the charging of described call message and collects among header field P-Charging-Vector and/or the accesses network sign header field P-Visited-Network-ID.
4. method as claimed in claim 3, it is characterized in that, the access information of described call subscriber terminal or called user terminal comprises the E.164 string number of moving exchanging center MSC, and/or user's travelling carriage rank, calling network reference number, cause value and release type in detail;
The access information of described called user terminal also comprises: called international mobile subscriber identity IMSI, called International Mobile Equipment Identity sign indicating number IMEI and called roaming number.
5. method as claimed in claim 1 or 2 is characterized in that, the access information of the access information of described call subscriber terminal and called user terminal is added in the charging request message specifically comprise:
The header field and/or the codomain of the described charging request message of expansion AVP form are added the access information of described call subscriber terminal and the access information of called user terminal in the header field of the charging request message of described expansion and/or codomain.
6. an application server is characterized in that, comprising:
First acquiring unit is used for the receipt of call request message, stores the access information of the call subscriber terminal that carries in the described call request message, and described call request message is sent to called network;
Second acquisition unit is used to receive the call message that described called network returns, and stores the access information of the called user terminal that carries in the described call message;
The first ticket generation unit, be used for the access information of call subscriber terminal that described first acquiring unit is stored and the access information of the called user terminal that described second acquisition unit stores and add charging request message to, send to the Charging Collection Function entity, so that described Charging Collection Function entity is according to the access information generation charging bill of described call subscriber terminal and called user terminal.
7. application server as claimed in claim 6 is characterized in that, also comprises:
The 3rd acquiring unit, be used to receive the Mobile Access Gateway controlled function entity of caller network, or user's handoff notification message of sending of called network, store the access information that the sub-district is inserted at call subscriber terminal in the described handoff notification message or the current place of called user terminal;
Switch the ticket generation unit, be used for the access information that the sub-district is inserted at the handoff notification message call subscriber terminal or the current place of called user terminal of described the 3rd acquiring unit storage is added in the charging request message, send to described Charging Collection Function entity, so that described Charging Collection Function entity generates the switch metering ticket according to the access information of described call subscriber terminal or access sub-district, the current place of called user terminal.
8. a network equipment is characterized in that, comprising:
Call out receiving element, be used to receive the call request message that user terminal sends;
Access information obtains the unit, is used for obtaining according to the identification information of described call request message call subscriber terminal the access information of call subscriber terminal;
Call out and send generation unit, be used for adding described call subscriber terminal to described call request message, send to application server, so that described application server is initiated the request of chargeing to the Charging Collection Function entity, ask described Charging Collection Function entity to generate charging bill according to the access information of described call subscriber terminal and called user terminal.
9. equipment as claimed in claim 8 is characterized in that, also comprises:
Switch the transmission generation unit, be used for after the sub-district switching takes place to insert call subscriber terminal, sending user's handoff notification message, comprise the access information of access sub-district, the current place of call subscriber terminal in the described handoff notification message to described application server;
So that described application server is initiated the request of chargeing to described Charging Collection Function entity, ask described Charging Collection Function entity to generate the switch metering ticket according to the access information of described call subscriber terminal.
10. the charging bill generation system based on IP multimedia subsystem, IMS is characterized in that, comprising: application server, Mobile Access Gateway controlled function entity and Charging Collection Function entity;
Described Mobile Access Gateway controlled function entity is used to receive the call request message that user terminal sends, and obtains the access information of call subscriber terminal according to the identification information of the call subscriber terminal in the described call request message; The access information of described call subscriber terminal is added in the described call request message, send to application server;
Described application server is used to receive the call request message that described Mobile Access Gateway controlled function entity sends, and stores the access information of the call subscriber terminal that carries in the described call request message, and described call request message is sent to called network; Receive the call message that described called network returns, store the access information of the called user terminal that carries in the described call message; The access information of described call subscriber terminal and the access information of called user terminal are added in the charging request message, send to the Charging Collection Function entity in the caller network of network protocol multi-media sub-system;
Described Charging Collection Function entity is used for according to the access information of described call subscriber terminal and the access information of called user terminal, generates charging bill.
11. system as claimed in claim 10 is characterized in that,
Described application server, also be used to receive described Mobile Access Gateway controlled function entity, or user's handoff notification message of sending of called network, comprise in the described handoff notification message that the current place of call subscriber terminal or called user terminal inserts the access information of sub-district; The access information of described call subscriber terminal or access sub-district, the current place of called user terminal is added in the charging request message, send to described Charging Collection Function entity;
Described Charging Collection Function entity also is used for the access information according to described call subscriber terminal or access sub-district, the current place of called user terminal, generates the switch metering ticket.
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Application publication date: 20110727