CN105591761A - Method, device and system for realizing IMS (IP Multimedia Subsystem) cross-domain charging and settlement - Google Patents
Method, device and system for realizing IMS (IP Multimedia Subsystem) cross-domain charging and settlement Download PDFInfo
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Abstract
The invention discloses a method, device and system for realizing IMS (IP Multimedia Subsystem) cross-domain charging and settlement and belongs to the IMS field. According to the embodiment of the invention, business logic is additionally realized on a calling-domain call session control device, such as a calling-domain S/I-CSCF device(Serving Call Session Control Function device and Interrogating Call Session Control Function device); whether a certain service is inter-domain call is judged according to the interrogating information of a called number returned by a telephone number mapping system or domain name system; charging and settlement information required by IMS inter-domain call is sent to a CCF (Charging Collection Function) device for recording the information; and therefore, with a network structure not changed and network element equipment not increased, IMS inter-domain charging and settlement can be realized.
Description
Technical field
The present invention relates to IMS (IPMultimediaSubsystem, IP Multimedia System)Field, particularly a kind of method, apparatus and system that realize the cross-domain charge accounting of IMS.
Background technology
Along with the development of multimedia service, IMS will be in server position, in differenceBetween multiple IMS territory of operator, between multiple IMS territory of same operator, IMS andBusiness intercommunication situation between CS (circuit switching) territory is also general all the more, between these networksRelated mutual charging and settling problems also highlight all the more.
Have in existing network situation, the IMS charging point that produces charging Original CDR is arranged onP-CSCF (ProxyCallSessionControlFunction, agent call session controlFunction), MMTEL (MultiMediaTelephony, mediaphone business) orE-CSCF (EmergencyCallSessionControlFunction, emergency call sessionControl function), these charging points are not arranged between IMS territory, to outgoing traffic notSegment, cannot distinguish cross-domain ticket, in the charging bill that therefore charging point produces, be difficult to divideFrom going out the ticket of settling accounts between territory.
Utilize BCF in IMS framework (BreakoutGatewayControlFunction,Interrupt Breakout Gateway Control Function) network element, can generate cross-domain clearing ticket, but at IMSNetwork does not arrange in BCF network element situation, cannot realize cross-domain clearing ticket.
Therefore, be necessary to propose a kind of not changing network structure, do not increase the feelings of network element deviceUnder condition, carry out the scheme of charging and clearing between IMS territory.
Summary of the invention
An embodiment of the present invention technical problem to be solved is: do not change network structure,Do not increase in the situation of network element device and how to carry out charging and clearing between IMS territory.
According to the embodiment of the present invention aspect, what provide a kind ofly realizes cross-domain charge accountingMethod, comprising: caller territory call session control appliance receipt of call request message, exhale from describedCry the IMS charging identifier that obtains this calling in request message (IMSChargingIdentify,And called number ICID); Utilize called number to telephone number mapped system (E.164Number, ENUM) or domain name system (DNS) initiation inquiry; If telephone number reflectsPenetrating the Query Result that system or domain name system return is called territory I-CSCF (InterrogatingCallSessionControlFunction, query call conversation control function) domain name, trueFixed this calling is inter-domain call, according to called territory I-CSCF domain name, described call request is disappearedBreath sends to called territory I-CSCF equipment; Follow the tracks of call state, in response to called territory I-CSCFThe message of the expression both sides call that equipment returns, by caller territory domain name, I-CSCF territory, called territoryName, IMS charging identifier are sent to CCF (ChargingCollectionFunction, meterTake collecting function) equipment, so that CCF equipment is according to caller territory domain name, called territory I-CSCFDomain name is carried out charge accounting between territory.
In an embodiment for IMS network-originated call, described caller territory call sessionControl appliance receipt of call request message comprises: caller territory S-CSCF (ServingCallSessionControlFunction, service call conversation control function) equipment receive fromP-CSCF (Proxy Call Session Control Function) equipment or AGCF (AccessGatewayControlFunction, AGCF) call request message of equipment; DescribedCaller territory domain name, called territory I-CSCF domain name, IMS charging identifier are sent to charging to be collectedFunction CCF equipment comprises: caller territory S-CSCF equipment by caller territory S-CSCF domain name,Called territory I-CSCF domain name, IMS charging identifier are sent to CCF equipment.
In an embodiment for non-IMS network-originated call, meeting is called out in described caller territoryWords control appliance receipt of call request message comprises: caller territory I-CSCF equipment receive fromMGCF (MediaGatewayControlFunction, multimedia gateway control function)The call request message of equipment; Described by caller territory domain name, called territory I-CSCF domain name, IMSCharging identifier is sent to Charging Collection Function CCF equipment and comprises: caller territory I-CSCF equipmentCaller territory I-CSCF domain name, called territory I-CSCF domain name, IMS charging identifier are sent toCCF equipment.
In one embodiment, specifically can pass through ACR (accounting request) message by callerTerritory domain name, called territory I-CSCF domain name, IMS charging identifier are sent to CCF equipment.
In one embodiment, described CCF equipment is according to caller territory domain name, called territoryI-CSCF domain name is carried out charge accounting between territory and is comprised: CCF equipment is by caller territory domain name and quiltMake territory I-CSCF domain name retrieve the cross-domain words that obtain relating to corresponding caller territory and called territorySingle, and carry out charge accounting between territory according to the cross-domain ticket retrieving.
According to another aspect of the embodiment of the present invention, the one providing realizes the cross-domain meter of IMSThe equipment that takes clearing, comprising: message sink module, and for receipt of call request message, from instituteState the IMS charging identifier and the called number that in call request message, obtain this calling; InquiryModule, for utilizing called number to initiate inquiry to telephone number mapped system or domain name system;Calling module, if the Query Result returning for telephone number mapped system or domain name system isCalled territory query call conversation control function I-CSCF domain name, determines that this calling is between territoryCall out, according to called territory I-CSCF domain name, described call request message is sent to called territoryI-CSCF equipment; Settlement information processing module, for following the tracks of call state, in response to calledThe message of the expression both sides call that territory I-CSCF equipment returns, by caller territory domain name, called territoryI-CSCF domain name, IMS charging identifier are sent to Charging Collection Function CCF equipment, so thatCCF equipment carries out charge accounting between territory according to caller territory domain name, called territory I-CSCF domain name.
In one embodiment, when the equipment of the cross-domain charge accounting of described IMS is caller territory clothesWhen business CSCF S-CSCF equipment, described message sink module, specifically forReceive from Proxy Call Session Control Function P-CSCF equipment or AGCFThe call request message of AGCF equipment; Wherein, described caller territory domain name is caller territoryS-CSCF domain name.
In one embodiment, when the equipment of the cross-domain charge accounting of described IMS is caller territoryWhen I-CSCF equipment, described message sink module, specifically for receiving from multimedia gatewayControl the call request message of function MGCF equipment; Wherein, described caller territory domain name is mainBe territory I-CSCF domain name.
In one embodiment, described settlement information processing module, specifically for asking by chargingAsk ACR message that caller territory domain name, called territory I-CSCF domain name, IMS charging identifier are sent outDeliver to CCF equipment.
According to another aspect of the embodiment of the present invention, the one providing realizes the cross-domain meter of IMSThe system of taking clearing, comprising: the equipment of the cross-domain charge accounting of aforesaid IMS and charging are collectedFunction CCF equipment; CCF equipment is for receiving and record establishing of the cross-domain charge accounting of IMSThe caller territory domain name that preparation is sent, called territory I-CSCF domain name, IMS charging identifier, and according toCaller territory domain name, called territory I-CSCF domain name are carried out charge accounting between territory.
The embodiment of the present invention is at caller territory call session control appliance, as caller territory S/I-CSCFEquipment, increases and differentiates service logic, returns according to telephone number mapped system or domain name systemThe Query Information of called number is differentiated whether inter-domain call of this business, and by IMS inter-domain callRequired charge accounting information is issued CCF and is carried out record, thus do not change network structure,Do not increase in the situation of network element device and realize charging and clearing between IMS territory.
By the detailed description to exemplary embodiment of the present invention referring to accompanying drawing, the present inventionFurther feature and advantage thereof will become clear.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below willAccompanying drawing to required use in embodiment or description of the Prior Art is briefly described, apparentGround, the accompanying drawing in the following describes is only some embodiments of the present invention, for the common skill in this areaArt personnel, are not paying under the prerequisite of creative work, can also obtain according to these accompanying drawingsObtain other accompanying drawing.
That Fig. 1 describes is IMS system network architecture figure.
Fig. 2 is the schematic flow sheet that the present invention realizes an embodiment of method of cross-domain charge accounting.
Fig. 3 is that the flow process that the present invention realizes cross-domain charge accounting in the time of IMS network-originated call is shownIntention.
Fig. 4 is the flow process that the present invention realizes cross-domain charge accounting in the time of non-IMS network-originated callSchematic diagram.
Fig. 5 is that the structure that the present invention realizes an embodiment of system of the cross-domain charge accounting of IMS is shownIntention.
Fig. 6 is that the structure that the present invention realizes an embodiment of equipment of the cross-domain charge accounting of IMS is shownIntention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present inventionBe clearly and completely described, obviously, described embodiment is only that the present invention's part is realExecute example, instead of whole embodiment. Description reality at least one exemplary embodiment belowOn be only illustrative, never as any restriction to the present invention and application or use. BaseEmbodiment in the present invention, those of ordinary skill in the art are not making creative work prerequisiteLower obtained every other embodiment, belongs to the scope of protection of the invention.
That Fig. 1 describes is IMS system network architecture figure. Wherein, S-CSCF sends out this IMS territoryThe calling rising is processed, inquires about to ENUM/DNS according to called number, ifENUM/DNS inquiry is returned as this IMS territory number, controls to call out to this territory user and initiates to exhaleCry; If other territories I-CSCF domain name is returned in ENUM/DNS inquiry, turn called territory I-CSCFControl subsequent voice calls; If ENUM/DNS without Query Result, turns this IMS territory I-CSCFControl subsequent voice calls. Wherein, without a kind of situation of Query Result for example: called is CDMA user,Because C network users can be roamed, IMS network wishes that calling is directly proceeded to C net carries out follow-up seekingLocation, ENUM/DNS can be without Query Result. In addition, in IMS system, also comprise and record chargingThe CCF of settlement information, and the SLF (SubscribeLocation of location-based service is providedFunction, user location function) or HSS (HomeSubscriberServer, home subscriberServer), SLF and HSS correlation function can be with reference to prior aries.
Fig. 2 is the schematic flow sheet that the present invention realizes an embodiment of method of cross-domain charge accounting.The method of the present embodiment can be carried out by caller territory call session control appliance, if IMSNetwork-originated call, call session control appliance in caller territory can be for example caller territoryS-CSCF equipment, if be non-IMS network-originated call, caller territory call session controlEquipment can be for example caller territory I-CSCF equipment. As shown in Figure 2, the method for the present embodimentComprise the following steps:
Step S202, receipt of call request message obtains this calling from call request messageIMS charging identifier ICID and called number.
If IMS network-originated call, caller territory S-CSCF equipment receives from P-CSCFThe call request message of equipment or AGCF equipment.
If be non-IMS network-originated call, caller territory I-CSCF equipment receive fromThe call request message of MGCF equipment.
Step S204, utilizes called number to initiate to look into telephone number mapped system or domain name systemAsk, Query Result may be for example caller territory domain name, called territory I-CSCF domain name or nothingQuery Result.
Step S206, if the Query Result that telephone number mapped system or domain name system are returned isCalled territory I-CSCF domain name, can determine that this calling is inter-domain call, according to called territoryCall request message is sent to called territory I-CSCF equipment by I-CSCF domain name. If returnedQuery Result is other situations, and this operation flow finishes.
Step S208, follows the tracks of call state, and the typical call state of call is for example to call out(183 message), ring (180 message) in carrying out, both sides converse (200ok message),The message of the expression both sides call of returning in response to called territory I-CSCF equipment, by territory, caller territoryName, called territory I-CSCF domain name, IMS charging identifier ICID are sent to CCF equipment, withJust CCF equipment carries out charge accounting between territory according to caller territory domain name, called territory I-CSCF domain name.
A kind of mode can be passed through ACR (accounting request) message by caller territory domain name, calledThe charge accounting information such as territory I-CSCF domain name, ICID are sent to CCF equipment, for example, and canCaller territory domain name, called territory I-CSCF domain name are inserted to the parameter of ACR messageList-of-Operator-Identifier, and ICID is inserted to ACR message, then by ACRMessage is sent to CCF equipment.
Wherein, in the time that the equipment of the cross-domain charge accounting of IMS is caller territory S-CSCF equipment,Caller territory domain name is caller territory S-CSCF domain name. When the equipment of the cross-domain charge accounting of IMS isWhen caller territory I-CSCF equipment, caller territory domain name is caller territory I-CSCF domain name.
The embodiment of the present invention is at caller territory call session control appliance, as caller territory S/I-CSCFEquipment, increases and differentiates service logic, returns according to telephone number mapped system or domain name systemThe Query Information of called number is differentiated whether inter-domain call of this business, and by IMS inter-domain callRequired charge accounting information is issued CCF and is carried out record, thus do not change network structure,Do not increase in the situation of network element device and realize charging and clearing between IMS territory.
Fig. 3 is the flow process that the present invention realizes cross-domain charge accounting in the time of IMS network-originated callSchematic diagram. As shown in Figure 3, the method for the present embodiment comprises the following steps:
Step S302, IMS network-originated call is to caller territory S-CSCF equipment, particularly,P-CSCF equipment or AGCF equipment send call request to caller territory S-CSCF equipment and disappearBreath (Invite), carries ICID and called number in call request message.
Step S304, caller territory S-CSCF equipment receives from P-CSCF equipment or AGCFThe call request message of equipment obtains ICID and the quilt of this calling from call request messageThe code of calling out the numbers, utilizes called number to initiate inquiry to telephone number mapped system or domain name system.
Step S306, telephone number mapped system or domain name system are looked into according to called numberAsk, Query Result may be for example caller territory S-CSCF domain name, called territory I-CSCF domain name,Or without Query Result.
Step S308, if the Query Result returning is called territory I-CSCF domain name, can be trueFixed this calling is inter-domain call, and S-CSCF equipment in caller territory is according to called territory I-CSCFCall request message is sent to called territory I-CSCF equipment by domain name, in call request message, takesBand ICID.
Step S310, called territory I-CSCF equipment returns to 183 message.
Step S312, called territory I-CSCF equipment returns to 180 message.
Step S314, called territory I-CSCF equipment returns to 200ok message.
Step S316, caller territory S-CSCF equipment receives after 200ok message, knows twoSide starts call, starts to generate charging, and caller territory S-CSCF domain name (is called for short to caller territoryName), called territory I-CSCF domain name (being called for short called domain name) inserts the parameter of ACR messageList-of-Operator-Identifier, and ICID is inserted to ACR message, then by ACRMessage is sent to CCF equipment.
Step S318, CCF equipment records ICID, caller territory S-CSCF domain name, called territoryThe charge accounting information such as I-CSCF domain name, and return to ACA (charging is replied) message.
The embodiment of the present invention increases and differentiates service logic at caller territory S-CSCF equipment, according to electricityThe Query Information of the called number that words number mapping system or domain name system are returned is differentiated this businessWhether inter-domain call, and charge accounting information required IMS inter-domain call is issued to CCF and enterLine item, thus realize IMS not changing network structure, do not increase network element device in the situation thatCharging and clearing between territory.
Fig. 4 is the stream that the present invention realizes cross-domain charge accounting in the time of non-IMS network-originated callJourney schematic diagram. As shown in Figure 4, the method for the present embodiment comprises the following steps:
Step S402, non-IMS network-originated call is to caller territory I-CSCF equipment, concreteGround, MGCF equipment sends call request message (Invite) to caller territory I-CSCF equipment,In call request message, carry ICID and called number.
Step S404, caller territory I-CSCF equipment receives please from the calling of MGCF equipmentAsk message, from call request message, obtain ICID and the called number of this calling, utilizeCalled number is initiated inquiry to telephone number mapped system or domain name system.
Step S406, telephone number mapped system or domain name system are looked into according to called numberAsk, Query Result may be for example caller territory I-CSCF domain name, called territory I-CSCF domain name,Or without Query Result.
Step S408, if the Query Result returning is called territory I-CSCF domain name, can be trueFixed this calling is inter-domain call, and I-CSCF equipment in caller territory is according to called territory I-CSCFCall request message is sent to called territory I-CSCF equipment by domain name, in call request message, takesBand ICID.
Step S410, called territory I-CSCF equipment returns to 183 message.
Step S412, called territory I-CSCF equipment returns to 180 message.
Step S414, called territory I-CSCF equipment returns to 200ok message.
Step S416, caller territory I-CSCF equipment receives after 200ok message, knows twoSide starts call, starts to generate charging, by caller territory I-CSCF domain name, called territory I-CSCFDomain name is inserted the parameter L ist-of-Operator-Identifier of ACR message, and by ICIDInsert ACR message, then ACR message is sent to CCF equipment.
Step S418, CCF equipment records ICID, caller territory I-CSCF domain name, called territoryThe charge accounting information such as I-CSCF domain name, and return to ACA (charging is replied) message.
The embodiment of the present invention increases and differentiates service logic at caller territory I-CSCF equipment, according to electricityThe Query Information of the called number that words number mapping system or domain name system are returned is differentiated this businessWhether inter-domain call, and charge accounting information required IMS inter-domain call is issued to CCF and enterLine item, thus realize IMS not changing network structure, do not increase network element device in the situation thatCharging and clearing between territory.
The embodiment of the present invention also proposes a kind of CCF equipment according to caller territory domain name, called territoryI-CSCF domain name is carried out the method for charge accounting between territory, comprising: input caller territory domain name and quiltBe territory domain name, CCF equipment is examined by caller territory domain name and called territory I-CSCF domain nameRope obtains relating to the cross-domain ticket in corresponding caller territory and called territory, and cross-domain according to what retrieveTicket carries out charge accounting between territory.
The embodiment of the present invention also proposes the system of the cross-domain charge accounting of a kind of IMS of realization, referenceFig. 5, the system of the present embodiment comprises: equipment 502 Hes of realizing the cross-domain charge accounting of IMSCCF equipment 504.
Realizing the equipment 502 of the cross-domain charge accounting of IMS, for example, can be caller territory S-CSCFEquipment or caller territory I-CSCF equipment, be mainly used in receipt of call request message, please from calling outAsk the IMS charging identifier and the called number that in message, obtain this calling; Utilize called numberInitiate inquiry to telephone number mapped system or domain name system; If the Query Result returning byBe territory I-CSCF domain name, determine that this calling is inter-domain call, according to called territory I-CSCFCall request message is sent to called territory I-CSCF equipment by domain name; Follow the tracks of call state, ringThe message of the expression both sides call that should return in called territory I-CSCF equipment, by caller territory domain name,Called territory I-CSCF domain name, IMS charging identifier are sent to CCF equipment, so that CCFEquipment carries out charge accounting between territory according to caller territory domain name, called territory I-CSCF domain name.
CCF equipment 504 for receive and record the cross-domain charge accounting of IMS equipment sendCaller territory domain name, called territory I-CSCF domain name, IMS charging identifier, and according to territory, caller territoryName, called territory I-CSCF domain name are carried out charge accounting between territory.
With reference to figure 6, realize an embodiment example of the equipment 502 of the cross-domain charge accounting of IMSAs comprise:
Message sink module 602, for receipt of call request message, from call request messageObtain IMS charging identifier and the called number of this calling;
Enquiry module 604, for utilizing called number to telephone number mapped system or domain name systemSystem is initiated inquiry;
Calling module 606, if looking into of returning for telephone number mapped system or domain name systemAsking result is called territory query call conversation control function I-CSCF domain name, and definite this exhaledCrying is inter-domain call, call request message is sent to called according to called territory I-CSCF domain nameTerritory I-CSCF equipment;
Settlement information processing module 608, for following the tracks of call state, in response to called territoryThe message of the expression both sides call that I-CSCF equipment returns, by caller territory domain name, called territoryI-CSCF domain name, IMS charging identifier are sent to Charging Collection Function CCF equipment, so thatCCF equipment carries out charge accounting between territory according to caller territory domain name, called territory I-CSCF domain name.
When the equipment of the cross-domain charge accounting of IMS is caller territory service call conversation control functionWhen S-CSCF equipment, message sink module 602, specifically for receiving from agent call meetingWords are controlled the calling of function P-CSCF equipment or AGCF AGCF equipment and are askedAsk message; Wherein, caller territory domain name is caller territory S-CSCF domain name.
In the time that the equipment of the cross-domain charge accounting of IMS is caller territory I-CSCF equipment, message connectsReceive module 602, specifically for receiving from multimedia gateway control function MGCF equipmentCall request message; Wherein, caller territory domain name is caller territory I-CSCF domain name.
In one embodiment, settlement information processing module 608, specifically for asking by chargingAsk ACR message that caller territory domain name, called territory I-CSCF domain name, IMS charging identifier are sent outDeliver to CCF equipment.
The equipment of realizing the cross-domain charge accounting of IMS of the embodiment of the present invention, as caller territoryS/I-CSCF equipment, increases and differentiates service logic, according to telephone number mapped system or domain nameThe Query Information of the called number that system is returned is differentiated whether inter-domain call of this business, and by IMSThe required charge accounting information of inter-domain call is issued CCF and is carried out record, thereby is not changing netNetwork structure, do not increase in the situation of network element device and realize charging and clearing between IMS territory.
One of ordinary skill in the art will appreciate that realize all or part of step of above-described embodiment canTo complete by hardware, also can carry out the hardware that instruction is relevant by program and complete, described journeyOrder can be stored in a kind of computer-readable recording medium, and the above-mentioned storage medium of mentioning can beRead-only storage, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all at thisWithin the spirit and principle of invention, any amendment of doing, be equal to replacement, improvement etc., all should wrapWithin being contained in protection scope of the present invention.
Claims (10)
1. a method that realizes the cross-domain charge accounting of IP Multimedia System IMS, comprising:
Caller territory call session control appliance receipt of call request message, disappears from described call requestIn breath, obtain IMS charging identifier and the called number of this calling;
Utilize called number to initiate inquiry to telephone number mapped system or domain name system;
If the Query Result that telephone number mapped system or domain name system are returned is the inquiry of called territoryCSCF I-CSCF domain name, determines that this calling is inter-domain call, according toDescribed call request message is sent to called territory I-CSCF equipment by called territory I-CSCF domain name;
Follow the tracks of call state, the expression both sides that return in response to called territory I-CSCF equipment callMessage, caller territory domain name, called territory I-CSCF domain name, IMS charging identifier are sent toCharging Collection Function CCF equipment, so that CCF equipment is according to caller territory domain name, called territoryI-CSCF domain name is carried out charge accounting between territory.
2. method according to claim 1, is characterized in that, meeting is called out in described caller territoryWords control appliance receipt of call request message comprises: caller territory service call conversation control functionS-CSCF equipment receives from Proxy Call Session Control Function P-CSCF equipment or Access NetworkClose the call request message of controlling function AGCF equipment;
Described caller territory domain name, called territory I-CSCF domain name, IMS charging identifier are sent toCharging Collection Function CCF equipment comprises: caller territory S-CSCF equipment is by caller territory S-CSCFDomain name, called territory I-CSCF domain name, IMS charging identifier are sent to CCF equipment.
3. method according to claim 1, is characterized in that, meeting is called out in described caller territoryWords control appliance receipt of call request message comprises: caller territory I-CSCF equipment receives from manyThe call request message of MGCF MGCF equipment;
Described caller territory domain name, called territory I-CSCF domain name, IMS charging identifier are sent toCharging Collection Function CCF equipment comprises: caller territory I-CSCF equipment is by caller territory I-CSCFDomain name, called territory I-CSCF domain name, IMS charging identifier are sent to CCF equipment.
4. method according to claim 1, is characterized in that, described by caller territory domain name,Called territory I-CSCF domain name, IMS charging identifier are sent to Charging Collection Function CCF equipment bagDraw together:
By accounting request ACR message by caller territory domain name, called territory I-CSCF domain name, IMSCharging identifier is sent to CCF equipment.
5. method according to claim 1, is characterized in that, described CCF equipment rootCarrying out charge accounting between territory according to caller territory domain name, called territory I-CSCF domain name comprises:
CCF equipment is retrieved and is related to by caller territory domain name and called territory I-CSCF domain nameAnd the cross-domain ticket in corresponding caller territory and called territory, and carry out according to the cross-domain ticket retrievingCharge accounting between territory.
6. an equipment of realizing the cross-domain charge accounting of IP Multimedia System IMS, comprising:
Message sink module, for receipt of call request message, from described call request messageObtain IMS charging identifier and the called number of this calling;
Enquiry module, for utilizing called number to send out to telephone number mapped system or domain name systemPlay inquiry;
Calling module, if the inquiry of returning for telephone number mapped system or domain name system knotFruit is called territory query call conversation control function I-CSCF domain name, determines that this calling isInter-domain call, sends to called according to called territory I-CSCF domain name by described call request messageTerritory I-CSCF equipment;
Settlement information processing module, for following the tracks of call state, in response to called territory I-CSCFThe message of the expression both sides call that equipment returns, by caller territory domain name, I-CSCF territory, called territoryName, IMS charging identifier are sent to Charging Collection Function CCF equipment, so that CCF equipment rootCarry out charge accounting between territory according to caller territory domain name, called territory I-CSCF domain name.
7. equipment according to claim 6, is characterized in that,
When the equipment of the cross-domain charge accounting of described IMS is caller territory service call session control meritWhen energy S-CSCF equipment, described message sink module, specifically for receiving from agent callThe calling of conversation control function P-CSCF equipment or AGCF AGCF equipment pleaseAsk message;
Wherein, described caller territory domain name is caller territory S-CSCF domain name.
8. equipment according to claim 6, is characterized in that,
In the time that the equipment of the cross-domain charge accounting of described IMS is caller territory I-CSCF equipment, described inMessage sink module, specifically for receiving from multimedia gateway control function MGCF equipmentCall request message;
Wherein, described caller territory domain name is caller territory I-CSCF domain name.
9. equipment according to claim 6, is characterized in that,
Described settlement information processing module, specifically for leading by accounting request ACR messageMake territory domain name, called territory I-CSCF domain name, IMS charging identifier be sent to CCF equipment.
10. a system that realizes the cross-domain charge accounting of IP Multimedia System IMS, comprising:Equipment and the Charging Collection Function of the cross-domain charge accounting of IMS described in claim 6-9 any oneCCF equipment; CCF equipment sends for the equipment that receives and record the cross-domain charge accounting of IMSCaller territory domain name, called territory I-CSCF domain name, IMS charging identifier, and according to caller territoryDomain name, called territory I-CSCF domain name are carried out charge accounting between territory.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112019359A (en) * | 2019-05-29 | 2020-12-01 | 中国移动通信集团重庆有限公司 | Service processing method and system based on IMS network |
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| CN112019359B (en) * | 2019-05-29 | 2023-04-07 | 中国移动通信集团重庆有限公司 | Service processing method and system based on IMS network |
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| CN105591761B (en) | 2018-09-21 |
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