CN109121102A - A kind of roam charging method and system - Google Patents
A kind of roam charging method and system Download PDFInfo
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- CN109121102A CN109121102A CN201710481750.9A CN201710481750A CN109121102A CN 109121102 A CN109121102 A CN 109121102A CN 201710481750 A CN201710481750 A CN 201710481750A CN 109121102 A CN109121102 A CN 109121102A
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- subscriber
- called subscriber
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
Abstract
The invention discloses a kind of roam charging method and system, the present invention judges whether calling subscriber/called subscriber registers in the IMS under the first default network formats when a calling is initiated；If so, judging whether calling subscriber/called subscriber is in roaming state；When judging result is charging platform progress roam charge that is yes, obtaining location information of the calling subscriber/called subscriber under the second default network formats, and be sent under the second default network formats；Otherwise charging platform is inhibited to carry out roam charge.The present invention realizes the IMS voice service under the first default network formats and carries out roam charge using the charging platform of the second default network formats; so that the roam charge function of the second default network formats network can be used in the first default network formats network; the investment for being conducive to protect operator, reduces network lower deployment cost.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of roam charging method and system.
Background technique
VoLTE (Voice over Long Term Evolution) is the voice on long term evolution, and VoLTE is to pass through
LTE network realizes the voice solution of Service control as service access, IMS network.Pass through IMS network, mobile operator
The voice of inheriting tradition that not only can be seamless, short message service, can also be mutually whole by voice communication and enhancing function abundant
It closes.
SCP business platform is widely used in 2G/3G and fixed network network, provides together with core net for user
Line billing function, when a calling is initiated, if need to trigger calling subscriber/called subscriber SCP charge and need to consider master
It is user/called subscriber roaming state.When calling subscriber/called subscriber's roaming, then needs to trigger SCP and carry out roaming meter
Take, need calling subscriber/called subscriber location information being carried to SCP at this time, by SCP according to customer position information, uses
Corresponding strategy carries out online charging, and when called subscriber does not roam, then it does not need triggering SCP and carries out charging.
It is by HLR according to user for whether calling subscriber/called subscriber triggers SCP in traditional 2G/3G network
Roaming state determines, wherein the case where there is no roamings in the fixed network.After e-learning quality is to LTE, mentioned by IMS for user
For voice service, in order to protect the investment of operator, cost is reduced, IMS supports to complete by IM-SSF and traditional SCP is carried out
Docking, online charging function is provided, when user is calling subscriber/called subscriber, IM-SSF be required to according to calling subscriber/
Whether called subscriber is roaming state to decide whether to trigger SCP.
Summary of the invention
The technical problem underlying to be solved of the embodiment of the present invention is to provide a kind of roam charging method and system, be 4G and
IMS is provided for user under the scene of voice service under its offspring's network formats, is provided a kind of new to calling subscriber/called subscriber
Carry out the scheme of roam charge.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of roam charging method, comprising:
When a calling is initiated, judge calling subscriber/called subscriber whether under the first default network formats
IP multimedia subsystem network in register；
If so, judging whether calling subscriber/called subscriber is in roaming state；
If the determination result is YES, then location information of the calling subscriber/called subscriber under the second default network formats is obtained,
Location information is sent to the charging platform under the second default network formats, so that charging platform is to calling subscriber/called subscriber
Carry out roam charge；Otherwise charging platform is inhibited to carry out roam charge.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of roam charge system, comprising:
Whether first judgment module judges calling subscriber/called subscriber first when being initiated used in a calling
It is registered in IP multimedia subsystem network under default network formats；
Second judgment module, if the judging result for first judgment module be it is yes, judge calling subscriber/called subscriber
Whether roaming state is in；
Processing module, if the judging result for the second judgment module be it is yes, obtain calling subscriber/called subscriber
Location information is sent to the charging platform under the second default network formats by the location information under two default network formats, so as to
Charging platform carries out roam charge to calling subscriber/called subscriber；Otherwise charging platform is inhibited to carry out roam charge.
The embodiment of the invention discloses a kind of roam charging method and systems, when can calling and be initiated at one,
Judge whether calling subscriber/called subscriber registers in the IP multimedia subsystem network under the first default network formats；When sentencing
Disconnected result is yes, then judges whether calling subscriber/called subscriber is in roaming state；When calling subscriber/called subscriber is in unrestrained
When free state, location information of the calling subscriber/called subscriber under the second default network formats is obtained, location information is sent to
Charging platform under second default network formats, so that charging platform carries out roam charge to calling subscriber/called subscriber；Otherwise
Charging platform is inhibited to carry out roam charge.The embodiment of the present invention realizes the voice service of the IMS under the first default network formats
Roam charge is carried out using the charging platform of the second default network formats, so that in the first default network formats such as deployment 4G, 5G
When, the function of existing 2G, 3G network can be used, protect the investment of operator, and reduce under the first default network formats
The cost of network deployment.
Detailed description of the invention
Fig. 1 is a kind of flow chart for roam charging method that the embodiment of the present invention one provides；
Fig. 2 is a kind of flow chart of the method for user's registration IMS network provided by Embodiment 2 of the present invention；
Fig. 3 is that a kind of IM-SSF provided by Embodiment 2 of the present invention judges whether called subscriber roams and sentence according to roaming
Disconnected result triggers SCP method；
Fig. 4 is that a kind of IM-SSF provided by Embodiment 2 of the present invention judges whether calling subscriber roams and sentence according to roaming
Disconnected result triggers SCP method；
Fig. 5 is a kind of structure chart for roam charge system that the embodiment of the present invention three provides.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.
Embodiment one:
Referring to Fig. 1, the present embodiment shows a kind of roam charging method, when a calling is initiated, if caller
User and/or called subscriber are the IMS (IP in the first default network formats, such as under 4G, 5G network formats
Multimedia Subsystem, IP multimedia subsystem) in registered, then can according to the calling subscriber and/or by
It is customer position information and the corresponding relationship for the preset visit net information and first state of calling subscriber/called subscriber, really
Whether calling subscriber/called subscriber is determined in roaming state, is then obtained the location information under the second default network under standard, is sent
Roam charge is carried out to the charging platform under standard under the second default network, the present embodiment realizes the first default network as a result,
The voice service of IMS under standard using the second default network formats charging platform carry out roam charge so that deployment 4G,
When the first default network formats such as 5G, the billing function of existing 2G, 3G, fixed network network can be used, protect the throwing of operator
Money, and reduce the cost of the first default network formats lower network deployment.
The roam charging method of the present embodiment is as shown in Figure 1, include the following steps:
S101, one calling be initiated when, judge calling subscriber/called subscriber whether in the first default network system
It is registered in IP multimedia subsystem network under formula；If the determination result is YES, then enter S102, otherwise according to normal charging
Journey carries out charging to calling subscriber/called subscriber call.
It is understood that above-mentioned S101 and following S102 is the progress before calling is connected with S103.Work as master
Making the calling initiation of user and/or the calling of called subscriber answer is master when being realized by the IMS under the first default network formats
Make user and/or called subscriber that can register in IMS, so before S101, as long as inquiry calling subscriber and called subscriber
Whether carrying out registration in IMS network can then determine whether that the roam charging method into the present embodiment carries out roam charge.Its
In, if inquiring calling subscriber or called subscriber does not have registered ims, then inquire the user CS (Circuit Switched,
Circuit switching) login state in network, use existing CS netsurfing charging method to carry out roam charge.
Further, the first default network formats in the present embodiment include but is not limited to the network formats of 4G and its offspring
At least one of (such as 5G).
S102, judge whether calling subscriber/called subscriber is in roaming state.
In S102, can using judge in the prior art caller/called subscriber whether be in the method for roaming state come
Realize the judgement to calling subscriber/called subscriber roaming state in the present embodiment, the present embodiment is not limited in this respect.
Wherein, roaming state includes National roaming state and international roaming state.
S103, if the determination result is YES, then obtain position of the calling subscriber/called subscriber under the second default network formats
Location information is sent to the charging platform under the second default network formats by information, so that charging platform is to calling subscriber/called
User carries out roam charge；
If S104, judging result be it is no, inhibit charging platform carry out roam charge.
When the judgment result is yes, need to trigger the roam charge function of charging platform in S103, so by position
Before information is sent to the charging platform under the second default network formats, charging platform can be triggered.Wherein, above-mentioned charging platform packet
It includes but is not limited to online charging platform SCP.In the present embodiment, above-mentioned S101-S103 is the step of IMS network side is realized,
It specifically can be by IM-SSF (IP Multimedia Service Switching Function, the IP multimedia of IMS network
Service Switching Function) it realizes.It is contemplated that after S103, charging platform such as SCP under the second default network formats can be from
Location information is obtained in the message that IM-SSF is sent carries out the processing of roam charge strategy.Wherein, the second default network formats include
At least one of 2G, 3G and fixed network network.
Generally, IMS network is generally divided into home network, visit net, and visit net is that user initiates the network used when calling,
And home network is network when Subscriber Number is registered, when calling belongs to local call, visit net is identical with home network, and calls and belong to
When roaming, visit net and home network difference.So in one embodiment, the relevant information for visiting net can be used to judge to lead
Cry whether user/called subscriber is in roaming state.
Further, judge calling subscriber/called subscriber whether in roaming state include:
Calling subscriber/called subscriber visit net information is obtained, visit net information includes calling subscriber/called subscriber's access
Visit net position；
It is closed according to visit net information and for the preset visit net information of calling subscriber/called subscriber is corresponding with first state
System, judges whether calling subscriber/called subscriber is in roaming state；First state includes: international roaming state, National roaming shape
State and non-roaming state.
In one embodiment, the position of calling subscriber/called subscriber's access visit net, which can be, passes through positioning device
The specific location information such as city XX of XX province obtained such as GPS device.And generally operator can be the network of covering different zones
Different identification informations is set, the region of the network coverage can be determined according to these identification information operators, so another
In a embodiment, the position of calling subscriber/called subscriber's access visit net can be netted the identification of setting by operator to visit
Information determines.
The corresponding relationship of above-mentioned visit net information and first state, it is related with calling subscriber/called subscriber home network,
The home network of calling subscriber and called subscriber are possible to not identical, close so their visit net information is corresponding with first state
System may not also be identical.For example, the position of the home network of calling subscriber is at Beijing, calling subscriber's initiation calling, it is in Korea Spro
The IMS of the city XX of state registration, then the visit net information of calling subscriber includes position-city XX of South Korea that visit is netted, for calling subscriber
In the corresponding relationship of preset visit net information and first state, finding the corresponding first state in the city XX of South Korea is international roaming shape
State then judges that calling subscriber is in roaming state, and the position of the home network of called subscriber is the city XX of South Korea, answers caller use
That register when the calling at family is IMS, and visit net is also the city South Korea XX, then the corresponding first state of visit net information of called subscriber
It is non-roaming state.
In one embodiment, visit net information can be direct corresponding with first state, such as be stored in IMS system
Net information table corresponding with the relationship of first state is visited, each visit net information corresponds to one of first state shape in the table
The international roaming of state National roaming or non-roaming state.In another embodiment, net information is visited
It can be with the corresponding relationship of first state indirect corresponding, such as visit net information and first state point and is arranged on different tables
In, in inquiry, by this, multiple different tables inquire corresponding first state from visit net information.Further, originally
In embodiment, international roaming state may further include the better addresses information such as the country of roaming, area, National roaming state
It may further include the better addresses information such as the province, city, area of roaming.
In practice, the PVN (P- that operator generally comprises the identification information of visit net setting as each visit net setting
Visited-Network-ID, visited network mark), have recorded the address of visit net.Further, above-mentioned visit net letter
Breath includes visited network mark of the calling subscriber/called subscriber when registering IP multimedia subsystem network.
It is closed according to visit net information and for the preset visit net information of calling subscriber/called subscriber is corresponding with first state
System, judge calling subscriber/called subscriber whether in roaming state include:
Visited network is inquired in the mapping table of the corresponding visited network mark of calling subscriber/called subscriber and VLR number
Identify corresponding VLR number；If inquiry failure, obtains the VLR number of calling subscriber/called subscriber ownership place global configuration
Corresponding VLR number is identified as visited network；
It is roamed in allocation list according to for the preset VLR number of calling subscriber/called subscriber, visited network mark is corresponding
The corresponding relationship of VLR number and first state, judges whether calling subscriber/called subscriber is in roaming state.
Wherein, above-mentioned visited network mark and the mapping table and VLR number of VLR number roam allocation list in practice
Two tables that can be separated, are also possible to a table.The present embodiment is not limited in this respect.
Wherein, VLR number, that is, VLR Number, composition is CC+NDC+LSP, wherein CC=national code (China is 86),
The country NDC=object code, LSP (Locally Significant Part, local pith) are determined by network operator oneself.?
In the present embodiment, calling subscriber/called subscriber calling is eventually moved back ownership place, so in caller during above-mentioned
For the corresponding visited network mark of user/called subscriber with the mapping table of VLR number, inquiry visited network identifies corresponding VLR
Number includes: the inquiry visit in the mapping table of calling subscriber/called subscriber's ownership place visited network mark and VLR number
The corresponding VLR number of network identity.If having inquired VLR Number in the mapping table of visited network mark and VLR number,
Then VLR Number at this time is the data under the first default network formats, can be by the VLR for the ease of subsequent use
Number is converted to the data of the second default network formats such as 2G or 3G.
That indicate in above-mentioned VLR number roaming allocation list is the corresponding VLR Number couple of calling subscriber/called subscriber
The first state answered, i.e. calling subscriber/called subscriber are National roaming or international roaming or non-roaming.A generally spy
Fixed home network can establish roaming agreement with one or more visit nets, if visit net does not have and calling subscriber/called subscriber
Home network suggest roaming agreement, then VLR number roaming allocation list in may inquiry less than the visit net VLR Number,
Naturally it just cannot get corresponding first state, in order to avoid this kind of situation, the roam charging method of the present embodiment also wraps
It includes:
If roaming in allocation list for the preset VLR number of calling subscriber/called subscriber, there is no calling subscribers/called
The visited network of user identifies corresponding VLR number, then sets global for the roaming state of the VLR number of visited network mark
Default roaming state；The roaming state of global default is in international roaming state, National roaming state and non-roaming state
It is a kind of.
Further, the location information of the present embodiment includes but is not limited to the cell ID where calling subscriber/called subscriber
With at least one of the VLR number of the visit net of access.
Above-mentioned location information of the calling subscriber/called subscriber under the second default network formats that obtain in S103 include:
Cell ID of the calling subscriber/called subscriber under the first default network formats is obtained, converts location information into the
Cell ID under two default network formats；And/or obtain VLR of the calling subscriber/called subscriber under the first default network formats
Number converts location information into the VLR number under the second default network formats.
General SCP when carrying out roam charge, be according to cell ID, VLR number and other information comprehensive analysis into
Row roam charge, so obtaining location information of the calling subscriber/called subscriber under the second default network formats in the present embodiment
A kind of preferably mode are as follows: obtain cell ID and No. VLR of the calling subscriber/called subscriber under the first default network formats
Cell ID and VLR number, are converted to the cell ID and VLR number under the second default network formats by code.Certainly, in the present embodiment
In, other feasible modes can also be used to obtain cell ID and VLR number under the second default network formats.
It, can be when a calling be initiated, in calling subscriber/called using the roam charging method of the present embodiment
User is in the case where registration in the IP multimedia subsystem network under the first default network formats, to judge calling subscriber/quilt
Cry whether user is in roaming state；If the determination result is YES, then calling subscriber/called subscriber is obtained in the second default network system
Location information is sent to the charging platform under the second default network formats, so that charging platform is to master by the location information under formula
User/called subscriber is made to carry out roam charge；Otherwise charging platform is inhibited to carry out roam charge.Realize the first default network formats
Under the voice service of IMS carry out roam charge using the charging platform of the second default network formats so that in deployment 4G, 5G etc.
When the first default network formats, the billing function of existing 2G, 3G, fixed network network can be used, protect the investment of operator, with
And reduce the cost of the first default network formats lower network deployment.
Embodiment two:
IMS user's registration process is illustrated below with reference to Fig. 2, IMS user's registration process includes:
S201, IMS user A send REGISTER (registration) registration request to P-CSCF by LTE network；
Wherein, P-CSCF, that is, Proxy Call Session Control Function (Proxy-Call Session Control Funtion)
It is first entity that user touches in IMS system.
S202, P-CSCF are according to from PCRF (strategy and the charging control strategic decision-making of server data stream and IP bearing resource
Point) inquiry user A location information add P-Visited-Network-ID (visited network mark) head, and general
REGISTER request is sent to I/S-CSCF；
I-CSCF is the contact point inside a carrier network, and all connect with the user of this network operator will
By this entity.Where S-CSCF is the core of IMS, it is located at home network, is that UE conversates control and registration request.
S203, I/S-CSCF initiate third-party registration, will carry the REGISTER on the head P-Visited-Network-ID
It is sent to IM-SSF；
S204, IM-SSF save user and P-Visited-Network-ID information.
Fig. 3 is that the IM-SSF that second embodiment of the invention provides judges whether called subscriber roams and judge according to roaming
As a result the flow diagram of SCP is triggered.Assuming that calling subscriber is user A in the present embodiment, called subscriber is user B, it is assumed that is used
Family B is to answer calling using IMS network 4G is off the net, then from the figure 3, it may be seen that in the present embodiment, IM-SSF provided by the invention
Judge called subscriber whether roam and according to judging result trigger SCP the following steps are included:
S301, user A initiate INVITE calling to IMS user B, and send the call to the S-CSCF of user B；
S302, user B S-CSCF according to Terminating CAMEL Subscription Information trigger IM-SSF；
Visited network mark P-Visited-Network-ID inquiry when S303, IM-SSF are according to user's B registered ims is originally
PVNI and VLR the Number mapping table on ground obtain the VLR Number of user B；
S304, IM-SSF are roamed to obtain in allocation list according to the VLR Number of the VLR Number to user B of user B and be used
The first state of family B, i.e. whether acquisition NLR Number is in roaming state；
Wherein, first state includes international roaming state, National roaming state, non-roaming state.
S305, when the NLR Number of user B is in roaming state, IM-SSF sends Initial DP (starting DP) and arrives
SCP triggers online charging；
Wherein, when user B is in roaming state, the VLR Number conversion map of the 4G of user B is also by IM-SSF
The VLR Number of 2G or 3G obtains the ID of the cell where when user B answers calling, is by the cell ID conversion map of the 4G
Cell ID and VLR Number after conversion is sent to SCP, so that SCP is according to cell ID and VLR by the cell ID of 2G or 3G
The information such as Number carry out roam charge to user B.It is understood that if user B registration is other network formats such as 5G
In IMS, then IM-SSF is the VLR for being 2G or 3G by the VLR Number of other network formats and cell ID conversion map
Number and cell ID.
S306, SCP return to the standard messages such as RRBE/AC/Continue, complete the exchange between IM-SSF；
S307, IM-SSF send INVITE message to S-CSCF；
S308, S-CSCF send INVITE message to called subscriber, that is, user B, connect called.
It is illustrated below with reference to Fig. 4 to how above-mentioned user A carries out roam charge.As shown in figure 4, to user
A carry out roam charge method include:
S401, user A to IMS user B initiate INVITE call when, judge the login state of user A in ims whether be
It is registered, if so, otherwise, inquiring user A in the login state of CS, into existing roam charge process into S402；
S402, user A S-CSCF according to Originating CAMEL Subscription Information trigger IM-SSF；
Visited network mark (P-Visited-Network-ID, PVNI) when S403, IM-SSF obtain user A registered ims,
According to PVNI inquiry local PVNI and VLR Number mapping table, the VLR Number of user A is obtained；
If S404, the VLR Number, IM-SSF of inquiry less than user A in PVNI and VLR Number mapping table
Obtain VLR Number of the VLR Number of local global configuration as user A；
S405, IM-SSF are roamed to obtain in allocation list according to the VLR Number of the VLR Number to user A of user A and be used
The first state of family A；Wherein, first state includes international roaming state, National roaming state, non-roaming state；
If S406, VLR Number of the matching less than user A from VLR Number roaming allocation list, IM-SSF are obtained
Take the roaming state of global default as the first state of user A；
If S407, being matched to user A from VLR Number roaming allocation list as non-roaming state, IM-SSF inhibits triggering
Online charging service platform SCP；
If S408, from VLR Number roaming allocation list be matched to user A be international roaming or National roaming, IM-
SSF triggers online charging service platform SCP, cell ID and the VLR Number of 2G or 3G format is sent to SCP, so as to SCP
Online roam charge is carried out to user A according to information such as cell ID and VLR Number；
Wherein, IM-SSF is before sending cell ID and VLR Number, need be by the VLR Number conversion map of 4G
The VLR Number of 2G or 3G obtains the ID of the cell where when user B answers calling, is by the cell ID conversion map of the 4G
The cell ID of 2G or 3G.Wherein, the conversion time of VLR Number carries out after can obtaining VLR Number in S403,
It is carried out before SCP can be sent in S408.The present embodiment does not limit this.
Roaming judgment method when IMS and tradition SCP docking under VoLTE network is present embodiments provided, in ims IM-
When SSF network element and SCP are docked, it can be determined that whether called subscriber is roaming state, and it is flat to trigger online charging according to roaming state
Platform SCP protects operator so that traditional SCP still is able to provide online charging function for IMS after e-learning quality to LTE
Investment, reduce cost.
Embodiment three:
As shown in figure 5, may be implemented under the first default network formats present embodiment illustrates a kind of roam charge system
The voice service of IMS carries out roam charge using the charging platform of the second default network formats, so that in deployment 4G, 5G etc. first
When default network formats, the function of existing 2G, 3G network can be used, protect the investment of operator, and reduce by first in advance
If the cost of network formats lower network deployment.
The roam charge system of the present embodiment includes:
First judgment module 501, for whether judging calling subscriber/called subscriber when a calling is initiated
It is registered in the IP multimedia subsystem network under the first default network formats；
Wherein, the first default network formats include but is not limited in the network formats (such as 5G) of 4G and its offspring at least
It is a kind of.
Second judgment module 502, if the judging result for first judgment module 501 be it is yes, judge calling subscriber/called
Whether user is in roaming state；
Processing module 503, if the judging result for the second judgment module 502 is yes, acquisition calling subscriber/called subscriber
Location information is sent to the charging platform under the second default network formats by the location information under the second default network formats,
So that charging platform carries out roam charge to calling subscriber/called subscriber；Otherwise charging platform is inhibited to carry out roam charge.
Wherein, the second default network formats include at least one of 2G, 3G and fixed network network.
It is understood that the treatment process of first judgment module 501, the second judgment module 502, processing module 503 is
It is carried out before calling is connected.It is default by first for answering when the calling initiation and/or the calling of called subscriber of calling subscriber
When IMS under network formats is realized, calling subscriber and/or called subscriber can register in IMS, so first judgment module
As long as whether 501 inquiry calling subscribers and/or called subscriber, which carry out registration in IMS network, can then determine whether to enter using this
The scheme of embodiment carries out roam charge.Wherein it is possible to understand, if inquiring calling subscriber or called subscriber does not infuse
Volume IMS, then inquire login state of the user in CS (Circuit Switched, circuit switching) network, use is existing
CS netsurfing charge system carries out roam charge.
Generally, IMS network is generally divided into home network, visit net, and visit net is that user initiates the network used when calling,
And home network is network when Subscriber Number is registered.When calling belongs to local call, visit net is identical with home network, and calls and belong to
When roaming, visit net and home network difference.So in one embodiment, the relevant information for visiting net can be used to judge to lead
Cry whether user/called subscriber is in roaming state.Further, the second judgment module, for obtaining calling subscriber/called use
The visit net information at family, visit net information include the position of calling subscriber/called subscriber's access visit net；According to visit net letter
Breath and be the preset visit net information and first state of calling subscriber/called subscriber corresponding relationship, judge calling subscriber/called
Whether user is in roaming state；First state includes: international roaming state, National roaming state and non-roaming state.
In one embodiment, the position of calling subscriber/called subscriber's access visit net, which can be, passes through positioning device
The specific location information such as city XX of XX province obtained such as GPS device.Generally operator can set for the network of covering different zones
Different identification informations is set, the region of the network coverage can be determined according to these identification information operators, so this is at one
In embodiment, the position of calling subscriber/called subscriber's access visit net can be believed by identification of the operator to visit net setting
Breath is to determine.
In the present embodiment, visit net information can be with the corresponding relationship of first state it is direct corresponding, such as in IMS system
It is stored with corresponding table, net information is visited in the table and first state is directly corresponding.Or visit net information and first state
Corresponding relationship be indirect correspondence, that is, visit net information and the corresponding relationship of first state are not to be set up directly on a table
In, visit net information and first state point and be arranged in different tables, in inquiry, by this multiple different tables from
Visit net information inquires corresponding first state.Wherein it is possible to understand, calling subscriber/called subscriber visit net letter
Breath is related with calling subscriber/called subscriber home network with the corresponding relationship of first state.Calling subscriber and called subscriber
Home network be possible to not identical, so the corresponding relationship of their visit net information and first state may not also be identical.Its
In, the information of international roaming state may further include the better addresses information such as the country of roaming, area, National roaming state
Information may further include the better addresses information such as province, city, area of roaming.
Further, when the judging result of the second judgment module 502, which is, is, it is flat that processing module 503 needs to trigger charging
The roam charge function of platform, so processing module 503 is put down in the charging being sent to location information under the second default network formats
Before platform, charging platform can be triggered.Wherein, above-mentioned charging platform includes but is not limited to online charging platform SCP.
In the present embodiment, above-mentioned first judgment module 501, the second judgment module 502, processing module 503 are specific
It can be by IM-SSF (IP Multimedia Service Switching Function, the IP multimedia service friendship of IMS network
Change function) it realizes.It is contemplated that the charging under the second default network formats is flat after processing module 503 sends location information
Platform such as SCP can obtain location information from the message that IM-SSF is sent and carry out the processing of roam charge strategy.
In practice, the PVNI (P- that operator generally comprises the identification information of visit net setting as each visit net setting
Visited-Network-ID, visited network mark), have recorded the address of visit net.Further, above-mentioned visit net letter
Breath includes visited network mark of the calling subscriber/called subscriber when registering IP multimedia subsystem network.Second judgment module
502, for inquiring visited network in the mapping table of the corresponding visited network mark of calling subscriber/called subscriber and VLR number
Identify corresponding VLR number；If inquiry failure, obtains the VLR number of calling subscriber/called subscriber ownership place global configuration
Corresponding VLR number is identified as visited network；Allocation list is roamed according to for the preset VLR number of calling subscriber/called subscriber
In, visited network identifies the corresponding relationship of corresponding VLR number and first state, judges whether calling subscriber/called subscriber locates
In roaming state.
VLR number, that is, VLR Number, composition is CC+NDC+LSP.Wherein, CC=national code (China is 86), NDC
=country object code, LSP (Locally Significant Part, local pith) are determined by network operator oneself.At this
In embodiment, calling subscriber/called subscriber calling is eventually moved back ownership place, so the second judgment module 502 is in caller
For the corresponding visited network mark of user/called subscriber with the mapping table of VLR number, inquiry visited network identifies corresponding VLR
Number the reflecting in calling subscriber/called subscriber's ownership place visited network mark and VLR number that include: the second judgment module 502
In firing table, inquiry visited network identifies corresponding VLR number.If being inquired in the mapping table of visited network mark and VLR number
VLR Number is arrived, then VLR Number at this time is the data under the first default network formats such as 4G, for the ease of rear
The VLR Number can be converted to the data of the second default network formats such as 2G or 3G by continuous use, processing module 503.
That indicate in above-mentioned VLR number roaming allocation list is the corresponding VLR Number couple of calling subscriber/called subscriber
The first state answered, i.e. calling subscriber/called subscriber are National roaming or international roaming or non-roaming.A generally spy
Fixed home network can establish roaming agreement with one or more visit nets, if visit net does not have and calling subscriber/called subscriber
Home network suggest roaming agreement, then VLR number roaming allocation list in may inquiry less than the visit net VLR Number,
Naturally it just cannot get corresponding first state, in order to avoid this kind of situation, the second judgment module of the present embodiment 502, also
If calling subscriber/called subscriber is not present for roaming in allocation list for the preset VLR number of calling subscriber/called subscriber
Visited network identify corresponding VLR number, then set global default for the roaming state of the VLR number of visited network mark
Roaming state；Wherein, the roaming state of global default is in international roaming state, National roaming state and non-roaming state
It is a kind of.
Further, the location information of the present embodiment includes but is not limited to the cell ID where calling subscriber/called subscriber
With at least one of the VLR number of the visit net of access.
Processing module 503 will for obtaining cell ID of the calling subscriber/called subscriber under the first default network formats
Location information is converted to the cell ID under the second default network formats；And/or acquisition calling subscriber/called subscriber is pre- first
If the VLR number under network formats, the VLR number under the second default network formats is converted location information into.
General SCP when carrying out roam charge, be according to cell ID, VLR number and other information comprehensive analysis into
Row roam charge, so processing module 503 obtains calling subscriber/called subscriber in the second default network formats in the present embodiment
Under location information a kind of preferably mode are as follows: it is small under the first default network formats to obtain calling subscriber/called subscriber
Cell ID and VLR number are converted to cell ID and VLR number under the second default network formats by area ID and VLR number.
Using the roam charge system of the present embodiment, IMS and tradition SCP under VoLTE network may be implemented and dock when progress
The roaming of calling subscriber and called subscriber judge, and realize SCP to calling subscriber when calling subscriber or called subscriber roam
Or the roam charge of called subscriber, after guaranteeing e-learning quality to LTE, traditional SCP still is able to provide online charging function for IMS
Can, the investment of operator is protected, cost is reduced.
Obviously, those skilled in the art should be understood that each module of aforementioned present invention or each step can be with general
Computing device realizes that they can be concentrated on a single computing device, or be distributed in constituted by multiple computing devices
On network, optionally, they can be realized with the program code that computing device can perform, it is thus possible to be stored in
It is performed by computing device in storage medium (ROM/RAM, magnetic disk, CD), and in some cases, it can be to be different from this
The sequence at place executes shown or described step, perhaps they are fabricated to each integrated circuit modules or by it
In multiple modules or step be fabricated to single integrated circuit module to realize.So the present invention is not limited to any specific
Hardware and software combine.
The above content is specific embodiment is combined, further detailed description of the invention, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to protection of the invention
Range.
Claims (10)
1. a kind of roam charging method characterized by comprising
One calling be initiated when, judge calling subscriber/called subscriber whether the IP under the first default network formats
It is registered in multi-media subsystem network；
If so, judging whether the calling subscriber/called subscriber is in roaming state；
If the determination result is YES, then location information of the calling subscriber/called subscriber under the second default network formats is obtained,
The location information is sent to the charging platform under the described second default network formats, so that the charging platform is to the master
User/called subscriber is made to carry out roam charge；Otherwise the charging platform is inhibited to carry out roam charge.
2. roam charging method as described in claim 1, which is characterized in that the judgement calling subscriber/called subscriber
Whether in roaming state include:
Obtain the visit net information of the calling subscriber/called subscriber, the visit net information includes the calling subscriber/called
The position of the visit net of user's access；
It according to the visit net information and is pair of the preset visit net information and first state of the calling subscriber/called subscriber
It should be related to, judge whether the calling subscriber/called subscriber is in roaming state；The first state includes: international roaming shape
State, National roaming state and non-roaming state.
3. roam charging method as claimed in claim 2, which is characterized in that the visit net information includes that the caller is used
Visited network mark of the family/called subscriber when registering the IP multimedia subsystem network；
It is described according to the visit net information and be the preset visit net information of the calling subscriber/called subscriber and first state
Corresponding relationship, judge the calling subscriber/called subscriber whether in roaming state include:
In the mapping table of the corresponding visited network mark of the calling subscriber/called subscriber and VLR number, the visit is inquired
The corresponding VLR number of network identity；If inquiry failure, obtains the ownership place global configuration of the calling subscriber/called subscriber
VLR number identify corresponding VLR number as the visited network；
It is roamed in allocation list according to for the preset VLR number of the calling subscriber/called subscriber, the visited network mark corresponds to
VLR number and the first state corresponding relationship, judge whether the calling subscriber/called subscriber is in roaming state.
4. roam charging method as claimed in claim 3, which is characterized in that further include: if for the calling subscriber/called
In the VLR number roaming allocation list of user preset, there is no the visited network of calling subscriber/called subscriber mark is corresponding
VLR number then sets the roaming state for the VLR number that the visited network identifies to the roaming state of global default；It is described
The roaming state of global default is one of the international roaming state, National roaming state and non-roaming state.
5. roam charging method according to any one of claims 1-4, which is characterized in that the location information includes the master
It is at least one of the VLR number of the cell ID and the visit net of access where user/called subscriber；It is described to obtain the master
Location information of the user/called subscriber under the second default network formats is made to include:
Cell ID of the calling subscriber/called subscriber under the first default network formats is obtained, the cell ID is converted to
Cell ID under second default network formats；
And/or VLR number of the calling subscriber/called subscriber under the first default network formats is obtained, by described No. VLR
Code is converted to the VLR number under the second default network formats.
6. roam charging method according to any one of claims 1-4, which is characterized in that the first default network formats packet
It includes: at least one of 4G and its network formats of offspring；The second default network formats include；2G, 3G and fixed network network
At least one of.
7. a kind of roam charge system characterized by comprising
First judgment module when being initiated used in a calling, judges whether calling subscriber/called subscriber is default first
It is registered in IP multimedia subsystem network under network formats；
Second judgment module is to judge the calling subscriber/called for the judging result in the first judgment module when being
Whether user is in roaming state；
Processing module, if the judging result for second judgment module be it is yes, obtain the calling subscriber/called subscriber
The location information is sent to the meter under the described second default network formats by the location information under the second default network formats
Take platform, so that the charging platform carries out roam charge to the calling subscriber/called subscriber；Otherwise inhibit the charging flat
Platform carries out roam charge.
8. roam charge system as claimed in claim 7, which is characterized in that second judgment module, it is described for obtaining
Calling subscriber/called subscriber visit net information, the visit net information include that the calling subscriber/called subscriber's access is visitd
Visit the position of net；It according to the visit net information and is the preset visit net information of the calling subscriber/called subscriber and first
The corresponding relationship of state, judges whether the calling subscriber/called subscriber is in roaming state；The first state includes: state
Internet roaming state, National roaming state and non-roaming state.
9. roam charge system as claimed in claim 8, which is characterized in that the visit net information includes that the caller is used
Visited network mark of the family/called subscriber when registering the IP multimedia subsystem network；
Second judgment module, in the corresponding visited network mark of the calling subscriber/called subscriber and VLR number
The visited network is inquired in mapping table identifies corresponding VLR number；If inquiry failure, the calling subscriber/called is obtained
The VLR number of the ownership place global configuration of user identifies corresponding VLR number as the visited network；According to for the caller
In user/called subscriber preset VLR number roaming allocation list, the visited network identifies corresponding VLR number and described the
The corresponding relationship of one state, judges whether the calling subscriber/called subscriber is in roaming state.
10. such as the described in any item roam charge systems of claim 7-9, which is characterized in that the location information includes described
At least one of the VLR number of the visit net of cell ID and access where calling subscriber/called subscriber；The processing mould
Block converts the cell ID for obtaining cell ID of the calling subscriber/called subscriber under the first default network formats
For the cell ID under the second default network formats；And/or calling subscriber/the called subscriber is obtained in the first default network system
The VLR number is converted to the VLR number under the second default network formats by the VLR number under formula.
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