CN104125553A - Roaming billing realization method and network elements - Google Patents

Roaming billing realization method and network elements Download PDF

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Publication number
CN104125553A
CN104125553A CN201310155673.XA CN201310155673A CN104125553A CN 104125553 A CN104125553 A CN 104125553A CN 201310155673 A CN201310155673 A CN 201310155673A CN 104125553 A CN104125553 A CN 104125553A
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China
Prior art keywords
network
described
network element
charging
information
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CN201310155673.XA
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Chinese (zh)
Inventor
毕以峰
周晓云
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中兴通讯股份有限公司
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Priority to CN201310155673.XA priority Critical patent/CN104125553A/en
Publication of CN104125553A publication Critical patent/CN104125553A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24Accounting or billing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/14Metering, charging or billing arrangements specially adapted for data wireline or wireless communications
    • H04L12/1403Architecture for metering, charging or billing
    • H04L12/1407Policy-and-charging control [PCC] architecture
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/66Policy and charging system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80Rating or billing plans; Tariff determination aspects
    • H04M15/8038Roaming or handoff

Abstract

The invention relates to a roaming billing realization method and network elements. The method comprises the following steps that after user equipment (UE) accesses a visited network, a visited network element and a home network element of the UE negotiate a billing mode; after negotiation is successful, the visited network element receives billing rule information corresponding to the negotiated billing mode sent by the home network element; the visited network element collects billing information aiming at the UE according to the billing rule information and sends the collected billing information to a home network billing system. By using the roaming billing realization method and the network elements, a problem that correct billing can not be performed when the UE roams can be solved.

Description

Roam charge implementation method and network element

Technical field

The present invention relates to the communications field, in particular to a kind of roam charge implementation method and network element.

Background technology

3GPP(3rd Generation Partnership Project, third generation partner program) EPS(Evolved Packet System, the grouping system of evolution) (this refers in particular to BBF network for system support and fixed network, interconnecting and tactful integration technology Broadband Forum network, broadband forum network).According to correlation technique, 3GPP UE or fixed network terminal (this refers in particular to the BBF network terminal) can access from fixed network circuit, the QoS control strategy of circuit and charging policy can be by providing with the EPS network of its intercommunication (or fusion), as shown in Figure 1.In the network architecture diagram shown in Fig. 1,3GPP network only shows the network element such as policy control, storage, charging.PCRF(Policy and Charging Rules Function wherein, "Policy and Charging Rules Function) entity is PCC (policy and charging control, strategy and charging are controlled) core, the formulation of responsible strategic decision-making and charging regulation.PCRF provides the rule of the network control based on business data flow, these network controls comprise detection, gate (Gating Control), the QoS(Quality of Service of business data flow, service quality) control and the charging regulation based on data flow etc.PCRF sends to PCEF to carry out the strategy of its formulation and charging regulation, and meanwhile, PCRF also needs to guarantee that these rules are consistent with user's CAMEL-Subscription-Information.Shown in framework 1 is roaming framework, have more generality, the hPCRF(home PCRF in territory, local, local PCRF) and visit territory vPCRF(visited PCRF, visit PCRF) by S9 interface UNICOM, strategy is issued to vPCRF by hPCRF, then by Gxd interface, is issued to by vPCRF the gateway IP-EDGE(IP Border Gateway of carrying out PCEF function in BBF network).SPR(Subscriber Profile Repository, CAMEL-Subscription-Information memory) or UDR(User Data Repository, user data memory) be user signing contract information storage network element, the CAMEL-Subscription-Information that PCRF need to be based on obtaining from SPR/UDR when generating strategy.AF is Application Function, and PCRF is according to from AF(Application Function, application function) to formulate corresponding PCC tactful for it for the data traffic information locating to obtain.

In fixed network, there is IP-EDGE, AN(Access network, Access Network), RG(Residential Gateway, family's residence gateway), BBF AAA(Authentication, Authorization, Accounting, Authentication Authorization certificate server) etc. network element forms, wherein IP-EDGE is the gateway of fixed network, in concrete network, be called again BNG(Broadband Network Gateway, wideband network gateway control appliance) or BRAS(Broadband Remote Access Server, Broadband Remote Access Server), it is as strategy execution network elements, carry out the function of PCEF, reception is used for carrying out this strategy from the PCC strategy of PCRF.Meanwhile, IP-EDGE also has the function of collecting charging information.AN is a two-layer equipment, is responsible for forwarding and the route of data.RG is home gateway, can have two kinds of mode of operations of route pattern and bridge mode.The general directly access of fixed network terminal RG, thus be linked into fixed network; 3GPP terminal UE is generally by WLAN(Wireless Local Access Network, wireless local area access network) antenna is linked into the AP(Access Point under RG, access point), then be linked into fixed network.After 3GPP terminal UE accesses by WLAN, UE obtains the local address (UE local IP address) of the UE that fixed network is its distribution.Terminal UE communicate by letter with extraneous with this local ip address, and this part business datum is called " NSWO(Non-Seamless WLAN Offload, non-seamless WLAN shunts) " business datum, and such business datum is directly from IP-EDGE correspondence with foreign country.Fixed network terminal (such as, PC(Personal Computer, PC) or network tv (Television, television set) etc.) can access by RG, and by IP-EDGE correspondence with foreign country, this part business is referred to as fixed network terminal traffic.3GPP terminal UE and fixed network terminal traffic, issue PCC strategy to IP-EDGE through PCRF, and IP-EDGE carries out function PCEF as policing rule, carries out PCC strategy, guarantees the QoS of business.Referring to the step S201-step S203 in Fig. 2.

Step S201:3GPP terminal UE or fixed network terminal access from fixed network, by access authentication, obtain the IP address that IP-EDGE is its distribution;

The access of step S202:IP-EDGE perception terminal (3GPP terminal UE or fixed network terminal), to PCRF, initiate the strategy session Gxd session establishment on Gxd interface, PCRF is being receiveed the response middlely corresponding PCC strategy, comprises that qos policy and charging regulation are handed down to IP-EDGE.

Step S203: if disposed TDF in network, PCRF can initiatively initiate the foundation of Sd session to TDF.

When terminal completes, be linked into after network, according to the charging way of network, charging gateway and charge system can be consulted corresponding parameter, and obtaining credit line and reporting charge information to charge system to charge system regularly.In current network, move the charging of business, have three kinds of charging ways (Online Charging System (OCS, Online Charging System) only for example here, the charging way based on different is carried out arbitrary step in following steps:

Step 204: the charging initiation session based on TDF charging way;

The billing function of the charging way based on TDF is at TDF, and TDF collects charge information, by Gyt interface, charge information is reported to charge system (OCS), as " line " in Fig. 1 is depicted as Gyt interface.

It should be noted that, the present invention does not consider the situation of offline charging.

Step 205: the charging initiation session based on IP-EDGE charging way;

Billing function based on IP-EDGE charging way is at IP-EDGE.Because no matter the NSWO business of 3GPP terminal UE or the business of fixed network terminal, all pass through IP-EDGE route, so IP-EDGE can collect charge information, by Gyd billing interface, charge information is reported to charge system (OCS), as " chain-dotted line " in Fig. 1 is depicted as Gyd interface.

Step 206: the charging initiation session based on AAA charging way.

Billing function is also at IP-EDGE.IP-EDGE charging way is charge information by BBF AAA, and 3GPP AAA reports charge system, and as shown in " double dot dash line " in Fig. 1, charge information reports path.

Above three kinds of charging ways are disposed alternatively in carrier network, that is to say that a kind of operator may dispose wherein a kind of charging way, or dispose above a kind of or two kinds of charging ways, if disposed multiple charging way, may select a kind of charging way by the CAMEL-Subscription-Information based on terminal use.

In view of the difference of charging way, need to use different charging regulation (Charging Rule), and charging regulation is formulated and is issued by PCRF.If under non-roaming scene, EPS network and BBF network belong to same operator, so PCRF is according to configuration information, can know that current network is what charging way of disposing, PCRF can know which type of charging regulation information this issues.Yet, if under roaming scence, may have problems.For instance, it is the network that EPS and BBF merge that 3GPP terminal UE roams into visited network-B(visited network from home network-A) visited network is only supported the charging way collecting charging information based on IP-EDGE, and home network is only supported the charging based on AAA.Will there are so following two problems:

The hPCRF of home network has formulated charging regulation and has been handed down to the vPCRF of visited network, then downloads to IP-Edge, and IP-Edge cannot be used this charging regulation;

The IP-Edge of visited network initiates the chargeable session on Gyd interface, but cannot correctly set up session with the charge system of home network, or the charge information that cannot cognitive IP-EDGE sends of the charge system of home network.

Above problem simplified summary is: the charging way of home network and visited network is different, causes chargeable session to be successfully established, and charging regulation cannot correctly be carried out, and charge information cannot correctly report.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of roam charge implementation method and network element, the correct problem of charging when solving user's set roaming.

For solving the problems of the technologies described above, the invention provides with a kind of roam charge implementation method, the method comprises:

After subscriber equipment (UE) access visited network, the home network network element of described visited network network element and described UE is consulted charging way;

After consulting successfully, described visited network network element receives charging regulation information corresponding to charging way after the negotiation that described home network network element sends;

Described visited network network element to described UE collecting charging information, and sends to described home network charge system by the charge information of collection according to described charging regulation information pointer.

Further, the "Policy and Charging Rules Function (PCRF) that described visited network network element is visited network and IP Border Gateway (IP-EDGE), home network network element is the "Policy and Charging Rules Function (PCRF) of home network.

Further, the charging way that described visited network network element is combined after the definite negotiation of described UE CAMEL-Subscription-Information when the home network network element of described UE is consulted charging way.

Further, the step of the home network network element of described visited network network element and described UE negotiation charging way comprises:

Described visited network network element sends request to described home network network element, wherein carries for showing the information of wherein one or more charging ways that visited network is supported;

The charging way that described home network network element sends according to visited network network element with and the charging way supported determine the charging way after consulting.

Further, described information adopts the mode of implicit expression to represent.

Further, carry for showing the information of the multiple charging way that visited network is supported in described request, also carry charging way precedence information in described message, described home network network element is determined the charging way after consulting in conjunction with described precedence information.

Further, while failing to consultations, session establishment failure or session establishment success, but described home network network element is middle without charging regulation to receiveing the response of described visited network network element transmission.

For solving the problems of the technologies described above, the present invention also provides a kind of network element, and described network element comprises:

Negotiation element, after subscriber equipment (UE) access visited network and during this network element visited network network element that is described UE, consults charging way for the home network network element with described UE; After subscriber equipment (UE) access visited network and during this network element home network network element that is described UE, for the visited network network element of described UE, consult charging way;

Charging regulation transfer unit, during visited network network element that this network element is described UE, for receiving charging regulation information corresponding to charging way after the negotiation that described home network network element sends; When this network element is the home network network element of described UE, for charging regulation information corresponding to charging way after the negotiation sending to visited network network element;

Charging information collecting unit, during visited network network element that this network element is described UE, for according to described charging regulation information pointer to described UE collecting charging information, and the charge information result of collection is sent to described home network charge system.

Further, during visited network network element that this network element is described UE, described negotiation element is determined the charging way after consulting in conjunction with described UE CAMEL-Subscription-Information.

Further, the negotiation element of described visited network network element sends request to described home network network element, wherein carries for showing the information of wherein one or more charging ways that visited network is supported;

The charging way that the negotiation element of described home network network element sends according to visited network network element with and the charging way supported determine the charging way after consulting.

Further, described information adopts the mode of implicit expression to represent.

Further, in described request, carry for showing the information of the multiple charging way that visited network is supported, in described message, also carry charging way precedence information, the negotiation element of described home network network element is determined the charging way after consulting in conjunction with described precedence information.

Roam charge implementation method of the present invention and network element are consulted charging way by the home network network element of visited network network element and described UE, make the visited network network element can be according to charging regulation information pointer corresponding to described consensus charging way to described UE collecting charging information, the correct problem of charging while having solved existing user's set roaming.

Accompanying drawing explanation

Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:

Fig. 1 is the network architecture schematic diagram according to correlation technique;

Fig. 2 is the charging flow figure according to prior art;

Fig. 3 is the schematic diagram of roam charge implementation method embodiment of the present invention;

Fig. 4 is advantageous applications example one flow chart of the present invention;

Fig. 5 is advantageous applications example two flow charts of the present invention;

Fig. 6 is advantageous applications example three flow charts of the present invention;

Fig. 7 is the modular structure schematic diagram of network element embodiment of the present invention.

Embodiment

As shown in Figure 3, roam charge implementation method embodiment of the present invention comprises:

Step 100: after subscriber equipment (UE) access visited network, the home network network element of described visited network network element and described UE is consulted charging way;

In the present invention, the "Policy and Charging Rules Function (PCRF) that described visited network network element is visited network and IP Border Gateway (IP-EDGE), home network network element is the "Policy and Charging Rules Function (PCRF) of home network.

When understandably, the home network network element of described visited network network element and described UE is consulted charging way, need determine the charging way after consulting in conjunction with described UE CAMEL-Subscription-Information.

Step 200: after consulting successfully, described visited network network element receives charging regulation information corresponding to charging way after the negotiation that described home network network element sends;

Step 300: described visited network network element to described UE collecting charging information, and sends to described home network charge system by the charge information of collection according to described charging regulation information pointer.

Above embodiment determines the charging way after consulting by home network network element (PCRF), is conducive to home network network element and specifies fast corresponding charging regulation information, and this implementation is preferred.Alternatively, also can by home network network element by for show home network support charging way information or for showing that the information of the charging way of home network support and terminal unit contractual sends to visited network network element, by visited network network element, determine the charging way after consulting, by the charging way after consulting, notify home network network element again, thereby specify corresponding charging regulation information by home network network element.

Hereinafter with reference to accompanying drawing and in conjunction with application example, describe the present invention in detail.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.

Application example one

Fig. 4 is the selection flow chart according to the charging method of the preferred embodiment of the present invention one, this flow chart based on scene be roaming scence.This flow process mainly comprises the following steps:

(UE, also claims terminal or fixed network terminal to access from fixed network to step S301:3GPP subscriber equipment, by access authentication, obtains the IP address that IP-EDGE is its distribution;

The access of step S302a:IP-EDGE perception terminal, initiates the strategy session Gxd session establishment request on Gxd interface to vPCRF, and vPCRF initiates strategy session S9 session request by S9 interface to hPCRF.

Wherein, in request message, carry a kind of charging way that visited network is supported, send to the hPCRF of home network.Wherein, charging way can be that IP-EDGE is filled up to Gxd message, through vPCRF, sending to hPCRF, can be also vPCRF is filled up in S9 conversation message according to local configuration information.

The charging way that above-mentioned visited network is supported the ability of visited network, optionally need to be considered the CAMEL-Subscription-Information of terminal except considering.

Alternatively, IP-EDGE also can carry described visited network charging way that support and terminal unit contractual by a newly-increased message.

Step S302b: the charging way that home network hPCRF sends according to visited network, determine the charging way after consulting, formulate corresponding charging regulation information, and be issued to visited network by the response message of S9 and Gxd session.

Home network, when judging whether to support the charging way of visited network, except according to the ability of present networks, also may need to consider the CAMEL-Subscription-Information of terminal.For example, for based on solicited(request formula) pattern TDF and the corresponding charging based on TDF, need user signing contract information decision-making.Therefore hPCRF, when judging whether to accept the charging way that visited network sends, should consider the CAMEL-Subscription-Information of terminal.If home network is not supported the charging way of visited network, so hPCRF is responded to S9/Gxd session establishment failure, even or session success, receive the response middle without charging regulation information.

Alternatively, the charging regulation information that described home network hPCRF also issues customization by newly-increased message is to visited network.

Step S303: with step S203;

In this application example, step S301 has realized to step S303: after subscriber equipment (UE) access visited network, the home network network element of visited network network element and UE is consulted charging way, after consulting successfully, charging regulation information corresponding to charging way after the negotiation that visited network network element reception home network network element sends.

Step S304 and step S306 are (if charging method are failed to consultations) one-out-three or that any one step is not carried out.

Step S304: if the charging way walking after consulting at step S302 is the charging based on TDF, perform step S303, vPCRF is the session of the charging based on TDF: TDF initiation and charge system OCS by the charging way of noticing after TDF consults.

Step S305: if the charging way after step S302 step is consulted is the charging based on IP-EDGE, the session based on IP-EDGE charging that IP-EDGE initiates to the charge system of home network on Gyd interface so.

Step S306: if the charging way after step S302 step is consulted is the charging based on AAA, IP-EDGE BBF AAA on B interface initiates chargeable session so, BBF AAA is again by the 3GPP AAA of visited network, the 3GPP AAA of home network, the session based on charging of initiating to the charge system of home network.

In addition: if consulted unsuccessfully in S302 step charging method, step S304-S306 may not carry out.

Step S307: according to the charging way consulting, carry out charging, BBF network timing reports charge information to the charge system of home network.

In this application example, step S304 to S307 has realized: visited network network element to described UE collecting charging information, and sends to described home network charge system by the charge information of collection according to described charging regulation information pointer.

Application example two

Application example two relates generally to the home network network element of visited network network element and UE and consults charging way, after consulting successfully, and charging regulation information corresponding to charging way after the negotiation that visited network network element reception home network network element sends.

Fig. 5 is the flow chart of the advantageous applications example two according to the present invention, at this application example two, be not both with the unique of application example one: at the corresponding step S302a of step S402a() in, the multiple charging way that the IP-EDGE of visited network or vPCRF may support visited network is issued hPCRF simultaneously.HPCRF, according to the charging way of selecting Home Network to support, also determines the charging way after consulting, and formulates corresponding charging regulation information and send to visited network;

Further, when the multiple charging way that the IP-EDGE of visited network or vPCRF may support visited network is issued hPCRF simultaneously, the priority of associative mode also can be issued to home network, if home network is also supported multiple charging way simultaneously, select the charging way that priority is high, and formulate accordingly charging regulation.

Home network, when judging whether to support the charging way of visited network, except according to the ability of present networks, also may need to consider the CAMEL-Subscription-Information of terminal.For example, for based on solicited(request formula) pattern TDF and the corresponding charging based on TDF, need user signing contract information decision-making.Therefore hPCRF, when judging whether to accept the charging way that visited network sends, should consider the CAMEL-Subscription-Information of terminal.

Application example three

This application example three relates generally to the home network network element of visited network network element and UE and consults charging way, after consulting successfully, and charging regulation information corresponding to charging way after the negotiation that visited network network element reception home network network element sends.

Fig. 6 is the flow chart of the advantageous applications example three according to the present invention, at this application example three, be not both with the unique of application example one: at the corresponding step S302a of step S502a() in, visited network is all supported three kinds of charging ways or three kinds of charging way visited network are all supported and UE contracts, IP-EDGE or vPCRF are in the session request of issuing hPCRF, do not carry any charging way information, adopt the mode of implicit expression to carry for showing the information of the charging way that charging way that visited network is supported or visited network support and UE are signing, hPCRF is according to the charging way of selecting Home Network to support, also determine the charging way after consulting, and formulate corresponding charging regulation information and send to visited network.

Home network, when judging whether to support the charging way of visited network, except according to the ability of present networks, also may need to consider the CAMEL-Subscription-Information of terminal.For example, for based on solicited(request formula) pattern TDF and the corresponding charging based on TDF, need user signing contract information decision-making.Therefore hPCRF, when judging whether to accept the charging way that visited network sends, should consider the CAMEL-Subscription-Information of terminal.

In order to realize the method for above-described embodiment and application example, the present invention also provides a kind of network element, and as shown in Figure 7, described network element comprises:

Negotiation element, after subscriber equipment (UE) access visited network and during this network element visited network network element that is described UE, consults charging way for the home network network element with described UE; After subscriber equipment (UE) access visited network and during this network element home network network element that is described UE, for the visited network network element of described UE, consult charging way;

Charging regulation transfer unit, during visited network network element that this network element is described UE, for receiving charging regulation information corresponding to charging way after the negotiation that described home network network element sends; When this network element is the home network network element of described UE, for charging regulation information corresponding to charging way after the negotiation sending to visited network network element;

Charging information collecting unit, during visited network network element that this network element is described UE, for according to described charging regulation information pointer to described UE collecting charging information, and the charge information result of collection is sent to described home network charge system.

Preferably, during visited network network element that this network element is described UE, described negotiation element is determined the charging way after consulting in conjunction with described UE CAMEL-Subscription-Information.

The negotiation element of described visited network network element sends request to described home network network element, wherein carries for showing the information of wherein one or more charging ways that visited network is supported;

The charging way that the negotiation element of described home network network element sends according to visited network network element with and the charging way supported determine the charging way after consulting.

Alternatively, described information adopts the mode of implicit expression to represent.

Preferably, in described request, carry for showing the information of the multiple charging way that visited network is supported, in described message, also carry charging way precedence information, the negotiation element of described home network network element is determined the charging way after consulting in conjunction with described precedence information.

Roam charge implementation method of the present invention and network element are consulted charging way by the home network network element of visited network network element and described UE, make the visited network network element can be according to charging regulation information pointer corresponding to described consensus charging way to described UE collecting charging information, the correct problem of charging while having solved existing user's set roaming.

Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (12)

1. a roam charge implementation method, is characterized in that, the method comprises:
After subscriber equipment (UE) access visited network, the home network network element of described visited network network element and described UE is consulted charging way;
After consulting successfully, described visited network network element receives charging regulation information corresponding to charging way after the negotiation that described home network network element sends;
Described visited network network element to described UE collecting charging information, and sends to described home network charge system by the charge information of collection according to described charging regulation information pointer.
2. the method for claim 1, it is characterized in that: the "Policy and Charging Rules Function (vPCRF) that described visited network network element is visited network and IP Border Gateway (IP-EDGE), home network network element is the "Policy and Charging Rules Function (hPCRF) of home network.
3. the method for claim 1, is characterized in that: the charging way that described visited network network element is combined after the definite negotiation of described UE CAMEL-Subscription-Information when the home network network element of described UE is consulted charging way.
4. the method for claim 1, is characterized in that, the step that the home network network element of described visited network network element and described UE is consulted charging way comprises:
Described visited network network element sends request to described home network network element, wherein carries for showing the information of wherein one or more charging ways that visited network is supported;
The charging way that described home network network element sends according to visited network network element with and the charging way supported determine the charging way after consulting.
5. method as claimed in claim 4, is characterized in that: described information adopts the mode of implicit expression to represent.
6. method as claimed in claim 4, it is characterized in that: in described request, carry for showing the information of the multiple charging way that visited network is supported, in described message, also carry charging way precedence information, described home network network element is determined the charging way after consulting in conjunction with described precedence information.
7. the method for claim 1, is characterized in that, while failing to consultations, and session establishment failure or session establishment success, but described home network network element is middle without charging regulation to receiveing the response of described visited network network element transmission.
8. a network element, is characterized in that: described network element comprises:
Negotiation element, after subscriber equipment (UE) access visited network and during this network element visited network network element that is described UE, consults charging way for the home network network element with described UE; After subscriber equipment (UE) access visited network and during this network element home network network element that is described UE, for the visited network network element of described UE, consult charging way;
Charging regulation transfer unit, during visited network network element that this network element is described UE, for receiving charging regulation information corresponding to charging way after the negotiation that described home network network element sends; When this network element is the home network network element of described UE, for charging regulation information corresponding to charging way after the negotiation sending to visited network network element;
Charging information collecting unit, during visited network network element that this network element is described UE, for according to described charging regulation information pointer to described UE collecting charging information, and the charge information result of collection is sent to described home network charge system.
9. network element as claimed in claim 8, is characterized in that, during visited network network element that this network element is described UE, described negotiation element is determined the charging way after consulting in conjunction with described UE CAMEL-Subscription-Information.
10. network element as claimed in claim 8, is characterized in that:
The negotiation element of described visited network network element sends request to described home network network element, wherein carries for showing the information of wherein one or more charging ways that visited network is supported;
The charging way that the negotiation element of described home network network element sends according to visited network network element with and the charging way supported determine the charging way after consulting.
11. network elements as claimed in claim 10, is characterized in that: described information adopts the mode of implicit expression to represent.
12. network elements as claimed in claim 10, it is characterized in that: in described request, carry for showing the information of the multiple charging way that visited network is supported, in described message, also carry charging way precedence information, the negotiation element of described home network network element is determined the charging way after consulting in conjunction with described precedence information.
CN201310155673.XA 2013-04-28 2013-04-28 Roaming billing realization method and network elements CN104125553A (en)

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