CN1747517A - Roam charge method of called user by laminated type prepay - Google Patents
Roam charge method of called user by laminated type prepay Download PDFInfo
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- CN1747517A CN1747517A CN 200410073762 CN200410073762A CN1747517A CN 1747517 A CN1747517 A CN 1747517A CN 200410073762 CN200410073762 CN 200410073762 CN 200410073762 A CN200410073762 A CN 200410073762A CN 1747517 A CN1747517 A CN 1747517A
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Abstract
A method the count the roam fee for the addition-type prepaying called user includes such steps as requesting the roam number from the membership register of called user by the caller, not taking the roam number and directly returning a request responding information containing the position information of roam region if the called user is a prepaying user and said request is the first time, repeating the calling to service switch site, sending fee-counting information and call creating information from service control site to service switch site, requesting the roam number by the mobile switch center of called gateway, receiving the roam number, calling the called user, responding by the called user, beginning to counting the fee, and terminating the fee counting when on-hook.
Description
Technical field
The present invention relates to the charging method in a kind of communication system, relate in particular to the method for in the CDMA450 system, OVERLAY (stacked system) PPC (pre-payment) called subscriber being carried out roam charge.
Background technology
The CDMA450 system is a kind of wireless communication system that is operated on the 450MHz lower frequency, and it is a core technology with CDMA2000, have frequency low, cover wide, indoor penetrate cover, capacity is big, support the wireless high-speed packet data business features.
Figure 1 shows that the system configuration schematic diagram of CDMA450, its structure comprises MSC (mobile switching centre), BSC (base station controller), HLR (attaching position register), SSP (Service Switching Point), SCP (service control point) and MS (portable terminal).
MSC is the core control equipment of cdma network, is the control centre that realizes user call proceeding, calls out basic functions such as control and business realizing.MSC is a whole C DMA450 server, is used for coordinating each functional entity with control whole C DMA450 system.
SSP as platform, provides professional control with the MSC switch, calls out the functional entity of control and resource management.It can be communicated by letter with SCP, and the request of SCP is responded, and revises under the control of SCP and calls out and connection processing.
SCP provides the real-time data base and the transaction processor of professional control and data function, and the processing of intelligent service logic is provided for calling.When the user provides IN service, SCP assigns professional control indication by send signaling to SSP; SSP specifically carries out the indicated content of operation information in these signalings, and execution result or mistake are sent to SCP for its definite further professional trend with signaling equally.
HLR is the attaching position register of CDMA450 system, stores mobile subscriber's the relevant information of all existence of this HLR control, the essential information (relevant information that comprises the signatory miscellaneous service of user) when comprising the user and opening an account.
BSC directly links to each other with travelling carriage by wave point, is responsible for the management of wireless transmission reception and Radio Resource.BSC links to each other by the A interface with MSC, realizes between the mobile subscriber or communicating to connect between mobile subscriber and the fixed network user, transfer system information and user profile etc.
MS is a portable terminal, mainly refers to the CDMA450 mobile phone, vehicle-mounted travelling carriage etc.
The characteristics of OVERLAY mode network configuration are: SSP is not arranged among the MSC/GMSC, and all MSC/GMSC are after analyzing caller or called special number section business, the call proceeding of intelligent network business can be arrived SSP, communicate by SSP and SCP then, finish calling.
Domestic fixed operator has been opened CDMA450 Personal Handyphone System(PHS) business at present, but in order to reduce initial investment, does not set up new WIN (wireless intelligent network) net, but utilizes existing fixed network intelligent network resource, releases OVERLAY PPC business.Because the location of initial Personal Handyphone System(PHS) is replenish (the not support area roaming) of landline telephone, thus called need not pay, and all support area roamings of present most of CDMA450 Personal Handyphone System(PHS), the roamer is done called or else the charging will have problems.If user's first man is at mount emei, the place of working is in Chengdu, and local telephone network logical realization the in two places roamed, user's first is bought two local telephone networks in Chengdu logical, wherein one one is placed on the mount emei native place, one one oneself use, and he and family are got in touch and just be need not to pay long-distance telephone bill usefulness like this, can cause certain telephone expenses loss concerning fixed operator.
Now with object lesson shown in Figure 2, make eye bright preceding OVERLAY PPC user when doing called and roaming takes place, the charging flow of its caller, detailed process is as follows:
1, calling subscriber A makes a call, and its call request message is connected to called MSC;
2, called MSC initiates location request message to called HLR, called subscriber's roaming number, and roaming has taken place the existing called subscriber of HLR;
3, called HLR wants called subscriber's roaming number to the VLR (VLR Visitor Location Register) of called current roaming place, roaming number is returned to the MSC of caller;
4, caller MSC increases access code R1 in the roaming number front, and the calling of configuration R1 head is routed to SSP;
5, SSP obtains corresponding Service-key (service key) according to R1, obtains corresponding SCP address according to Service-key, initiates the IN service trigger request, and comprising calling number and called number, SCP notice SSP begins caller is chargeed.
When roaming as called generation by above-mentioned charging way OVERLAY PPC user, the called subscriber does not trigger SSP and the SCP smart machine of message to fixed network, cause to charge to the calling subscriber at present, calledly do not charge, even can not collect toll fee and roaming charges when called generation is roamed, this brings very big loss to operator.
Summary of the invention
The technical problem that the present invention solves provides a kind of method of OVERLAY (stacked system) PPC (pre-payment) called subscriber being carried out roam charge in the CDMA450 system, this method can be chargeed to called when OVERLAYPPC user is the called subscriber and roams.
In order to solve the problems of the technologies described above, the present invention by the following technical solutions:
A kind of method of called user by laminated type prepay roam charge comprises step:
1) caller makes a call to called, and sends location request message to called attaching position register;
2) called attaching position register is judged the called prepaid user of being and is in roaming state according to location request message, and called roaming number is asked first, then do not get called roaming number, directly return the position request response message of carrying called roaming area information;
3),, called roaming area information is sent to service control point and asks to finish calling via Service Switching Point according to position request response message;
4) service control point returns charge information and call setup information to Service Switching Point, and Service Switching Point continues to make a call and continues to called GMSC (gateway mobile switching center);
5) called GMSC (gateway mobile switching center) judges that call request do not carry called roaming number and can't be connected with called the calling, then send location request message once more to called attaching position register, called roaming number is asked once more, and then called attaching position register returns called roaming number;
6) called GMSC (gateway mobile switching center) is to the called request of making a call, called roaming place echo reply message, and Service Switching Point begins to charge to called, sends on-hook signal when Called Onhook, and Service Switching Point finishes to charge.
Described step 2) includes an information unit that is used for identifying the called prepaid user of being in the position request response message in.
Described step 2) also include pseudo-roaming number in the position request response message in, form is roaming place area code+service key X1+ called number, and service key X1 is used to indicate the Service Switching Point that need continue.
Service control point is revised as called roaming number service key X1+ called number and sends to Service Switching Point in described step 3).
Response message in the described step 6) comprises Address Complete Message and answer charging message.
In the described step 6) take out stitches to finish to charge and call out to service control point report charge information, user and be removed in the Service Switching Point back of finish chargeing.
The present invention compared with prior art has the following advantages:
In the CDMA450 system, when OVERLAY PPC user is the called subscriber and roams, utilize the present invention call flow can be triggered to the SSP and the SCP of fixed network, cooperate by fixed network SSP and SCP and to charge, overcome the defective that to collect toll fee and roaming charges when present OVERLAY PPC user is the called subscriber and roams called.
Description of drawings
Fig. 1 is an existing C DMA450 schematic network structure;
Fig. 2 makes charging flow schematic diagram when called for present OVERLAY PPC user;
Fig. 3 is for using schematic network structure of the present invention;
Charging flow schematic diagram when Fig. 4 is non-CDMA450 customer call OVERLAY PPC roamer;
Fig. 5 is the charging flow schematic diagram during customer call OVERLAY PPC roamer in the CDMA450 net.
The present invention will be further described below in conjunction with embodiment.
Embodiment
Shown in Figure 3 is to use schematic network structure of the present invention, user A is the mobile subscriber of non-CDMA450 system, be subjected to mobile switching centre 1 (MSC1) control, user B is the interior user of the net of CDMA450 system, mobile switching centre 2 (MSC2) is the home MSC of user B, MSC2 is connected with the attaching position register (HLR) of user B, is depositing the archive information of user B in the attaching position register of user B (HLR).User C is the interior user of the net of CDMA450 system, and mobile switching centre 3 (MSC3) is the mobile switching centre of user C, and MSC2 is connected with MSC3.Caller GMSC (gateway mobile switching center) 1 (GMSC1) is the GMSC (gateway mobile switching center) between user A place network and the CDMA450 network, and GMSC1 is connected respectively with MSC2 with MSC1.VMSC is the Visited Mobile Switching Center of user B, VLR is the VLR Visitor Location Register of user B, VMSC is connected with VLR, called GMSC (gateway mobile switching center) 2 (GMSC2) is the GMSC (gateway mobile switching center) between CDMA450 network and the fixed-line telephone network, GMSC2 is connected respectively with VMSC with MSC2, GMSC2 is connected with the service switching point of fixed-line telephone network, and SSP is connected with the service control point (SCP).
Charging flow figure when Figure 4 shows that the user A calling roamer B among Fig. 3, this calling is a cross-net call, and the number of supposing user B is 0754B, and the concrete steps of its charging flow are as follows:
Step 1: caller A makes a call to called B, sends the roaming number that location request message is wanted called B via caller GMSC (gateway mobile switching center) 1 to the attaching position register of called B;
Calling subscriber A makes a call, the MSC1 of its call request message IAI by calling subscriber A place network is routed to the GMSC (gateway mobile switching center) GMSC1 between the CDMA450 network at calling subscriber A place network and called subscriber B place, has calling number and called number 0754B in IAI (initial address message that the has additional information) message; GMSC1 receives calling, initiates location request message to the HLR of called subscriber B (attaching position register), wants the roaming number of called subscriber B to HLR.
Step 2: called attaching position register judges that according to location request message called B is the prepaid user and is in roaming state, and called B roaming number is asked first, then do not get called B roaming number, directly return the position request response message of carrying called B roaming area information;
HLR needs to judge whether called subscriber B is the prepaid user after receiving location request message, if, check then whether called subscriber B roaming has taken place, roaming has taken place if find called subscriber B, what caller A sent is again location request message (promptly the asking called B roaming number first) first time, then HLR does not get the current roaming number of called subscriber B, directly to GMSC1 home position request response.
Having identified the called subscriber with a special information unit (being set to 0xCB as the TAG value) in the position request response message that HLR returns is the prepaid user, and prefixing constitutes pseudo-roaming number before called number 6754B, the prefix content is roaming place area code+ServiceKey X1, wherein " roaming place area code " can deliver to SCP, SCP charges according to this, ServiceKey X1 is used for indication need be routed to which SCP, in the present embodiment, pseudo-roaming number is: (0755 represents the roaming place area code to 07551744+MDN, 1744 is ServiceKey X1, this user attaching of mark is in which fixed network SCP, according to the actual conditions setting, can be other numbers, MDN is called number 0754B).
Step 3: the mobile switching centre of caller A, is sent to called roaming area information service control point and asks to finish calling via Service Switching Point according to position request response message; Service control point returns charge information and call setup information to Service Switching Point, and Service Switching Point continues to make a call and continues to called GMSC (gateway mobile switching center);
The message that GMSC1 returns according to HLR finds that called subscriber B is the prepaid user, seek route according to pseudo-roaming number, call request message IAI is routed to the SSP of fixed network, has roaming place area code+ServiceKey X1+ called number in the IAI message, and its concrete form is: 07551744+MDN; SSP receives after the calling, find that called subscriber B is the prepaid user, obtain user's SCP address according to the ServiceKeyX1 that is added in area code front, roaming place, initiate IDP (initial call test point) message to SCP, IDP message is article one message that SSP is triggered to SCP, request SCP provides the instruction of finishing calling, calling number and called number have been comprised in the message, the form of called number is: roaming place area code+ServiceKey X1+ called number (MDN) is specially: 07551744+MDN.
SCP receives after the IDP message of SSP, check numbers of calling and called parties, find that this is that roaming has taken place for the prepaid user of a 0754B, SCP issues three message: RRBE (REQUESTREPORT BCSM EVENT continuously to SSP, request report BCSM (Basic Call State Model BCSM) incident), RRBE message can be understood as the event change in the request reporting call process, AC (APPLY CHARGING, the request charging) with CONNECT (connection), wherein RRBE is used to refer to SSP and carries out event-monitoring in the calling procedure, and taking place needs to send event report to SCP after the events corresponding; AC is that distributing bill information is given SSP, mainly comprises information such as charging way, charged party; CONNECT message provides the information of call setup for SSP; SCP is revised as ServiceKey X1+MDN with called number and sends to SSP, and being about to the called number number of changing is 17440754B.
Step 4: called GMSC (gateway mobile switching center) judgement call request is not carried called roaming number and can't be connected with called the calling, then send location request message once more to called attaching position register, called B roaming number is asked once more, and then called attaching position register returns called B roaming number;
SSP receives after the calling, continue to make a call, call proceeding to GMSC2, is found after GMSC2 receives and calls out that called B is a mobile number and does not carry called roaming number and can't be connected with called the calling, initiate the request of getting roaming number to the HLR of called number once more; HLR receives after the request of getting roaming number, check the data of user B, find that user B was once got roaming number one time by same user, current HLR initiates the real roaming number of getting to the Visited Mobile Switching Center (VMSC) of the roaming place of user B and operates, obtain roaming number, return GMSC (gateway mobile switching center) 2 (GMSC2) then;
Step 5: called GMSC (gateway mobile switching center) is to the called request of making a call, called roaming place echo reply message, and Service Switching Point begins to charge to called, sends on-hook signal when Called Onhook, and Service Switching Point finishes to charge.
GMSC2 sends call request message IAI to the VMSC of called roaming place, have calling number and the real roaming number of called B in the IAI message, the VMSC of called roaming place sends Address Complete Message ACM and answer charging message ANC to GMSC2 after receiving IAI message, the SSP that GMSC2 is routed to fixed network with the Address Complete Message ACM that receives and answer charging message ANC, after SSP receives the ANC message of GMSC2, begin called B is chargeed; When called subscriber B on-hook, the VMSC of called subscriber roaming place sends on-hook signal CBK to GMSC2, GMSC2 sends to fixed network SSP with on-hook signal, SSP finishes to charge after receiving the CBK message of GMSC2, then send three message: ACR (APPLYCHARGEING REPORT to SCP continuously, the request charging report), be responsible for the charge information (obtaining in the AC message) that SSP obtains is reported to SCP; BER (BCSM EVENT REPORT, BCSM event report) is to the SCP report user end charging event of taking out stitches; RELEASE CALL (dismantling call) tells SCP to call out and is removed.
If the called subscriber does not roam, carry out called charging with regard to not being triggered to SSP and SCP.
Figure 5 shows that the user C among Fig. 3 calls out the charging flow of roamer B, this calling is the on-net call of a CDMA450 system, and the concrete steps of its charging flow are as follows:
Step 1: caller C makes a call to called B, sends the roaming number that location request message is wanted called B to the attaching position register of called B;
Calling subscriber C makes a call, its call request message IAI is routed to the mobile switching centre 2 (MSC2) of called B by the MSC3 of calling subscriber C, MSC2 receives calling, initiates location request message to the HLR of called subscriber B (attaching position register), wants the roaming number of called subscriber B to HLR.
Step 2: if called attaching position register judges that according to location request message called B is the prepaid user and roams, and called roaming number is asked first, then do not get called roaming number, directly return the position request response message of carrying called roaming area information; Called attaching position register is judged the called prepaid user of being and is in roaming state according to location request message, does not then get called roaming number,
HLR needs to judge whether called subscriber B is the prepaid user after receiving location request message, if, check then whether called subscriber B roaming has taken place, roaming has taken place if find called subscriber B, what caller C sent is again the location request message first time, then HLR does not get the current roaming number of called subscriber B, directly to the MSC3 of caller home position request response.
Having identified the called subscriber with a special information unit in the position request response message that HLR returns is the prepaid user, and prefixing constitutes pseudo-roaming number before called number, the prefix content is roaming place area code+ServiceKey X1, wherein " roaming place area code " can deliver to SCP, SCP charges according to this, and ServiceKey X1 is used for indication need be routed to which SCP.
Step 3: the mobile switching centre of caller C, is sent to called roaming area information service control point and asks to finish calling via Service Switching Point according to position request response message; Service control point returns charge information and call setup information to Service Switching Point, and Service Switching Point continues to make a call and continues to called GMSC (gateway mobile switching center);
The message that GMSC1 returns according to HLR finds that called subscriber B is the prepaid user, seek route according to pseudo-roaming number, call request message IAI is routed to the SSP of fixed network, has roaming place area code+ServiceKey X1+ called number in the IAI message, and its concrete form is: 07551744+MDN; SSP receives after the calling, find that called subscriber B is the prepaid user, obtain user's SCP address according to the ServiceKeyX1 that is added in area code front, roaming place, initiate IDP (initial call test point) message to SCP, request SCP provides the instruction of finishing calling, comprised calling number and called number in the message, the form of called number is: roaming place area code+ServiceKey X1+ called number (MDN) is specially: 07551744+MDN.
SCP receives after the IDP message of SSP, find the called prepaid user of being and roaming has taken place, SCP issues three message: RRBE (REQUEST REPORT BCSM EVENT continuously to SSP, request report BCSM (Basic Call State Model BCSM) incident), RRBE message can be understood as the event change in the request reporting call process, AC (APPLY CHARGING, the request charging) with CONNECT (connection), wherein RRBE is used to refer to SSP and carries out event-monitoring in the calling procedure, and taking place needs to send event report to SCP after the events corresponding; AC is that distributing bill information is given SSP, mainly comprises information such as charging way, charged party; CONNECT message provides the information of call setup for SSP; SCP is revised as ServiceKey X1+MDN with called number and sends to SSP.
Step 4: called GMSC (gateway mobile switching center) judgement call request is not carried called roaming number and can't be connected with called the calling, then send location request message once more to called attaching position register, called B roaming number is asked once more, and then called attaching position register returns called B roaming number;
SSP receives after the calling, continues to make a call, and to GMSC2, GMSC2 finds that called B is a mobile number after receiving and calling out with call proceeding, once more the request of getting roaming number to the HLR of called number initiation; HLR receives after the request of getting roaming number, check the data of user B, find that user B was once got roaming number one time by same user, current HLR initiates the real roaming number of getting to the Visited Mobile Switching Center (VMSC) of the roaming place of user B and operates, obtain roaming number, return GMSC (gateway mobile switching center) 2 (GMSC2) then;
Step 5: called GMSC (gateway mobile switching center) is to the called request of making a call, called roaming place echo reply message, and Service Switching Point begins to charge to called, sends on-hook signal when Called Onhook, and Service Switching Point finishes to charge.
GMSC2 sends call request message IAI to the VMSC of called roaming place, have calling number and called real roaming number in the IAI message, the VMSC of called roaming place sends Address Complete Message ACM and answer charging message ANC to GMSC2 after receiving IAI message, the SSP that GMSC2 is routed to fixed network with the Address Complete Message ACM that receives and answer charging message ANC, after SSP receives the ANC message of GMSC2, begin to charge to called; When called subscriber B on-hook, the VMSC of called subscriber roaming place sends on-hook signal CBK to GMSC2, GMSC2 sends to fixed network SSP with on-hook signal, SSP finishes to charge after receiving the CBK message of GMSC2, then send three message: ACR (APPLYCHARGEING REPORT to SCP continuously, the request charging report), be responsible for the charge information (obtaining in the AC message) that SSP obtains is reported to SCP; BER (BCSM EVENT REPORT, BCSM event report) is to the SCP report user end charging event of taking out stitches; RELEASE CALL (dismantling call) tells SCP to call out and is removed.
The present invention solves the message that how to trigger when OVERLAY PPC user is called to be roamed from MSC to fixed network SSP, charge thereby SSP can indicate SCP to begin to charge and finish, and the concrete charging way of SCP can be carried out according to existing mode fully, NES.
The method of a kind of called user by laminated type prepay roam charge of the present invention, be not limited in listed utilization in specification and the execution mode, it can be used in various suitable the present invention's field fully, for those skilled in the art, can easily realize additional advantage and make amendment, therefore under the situation of the spirit and scope of the general notion that does not deviate from claim and equivalency range and limited, the examples shown that the present invention is not limited to specific details, representational unit and illustrates here and describe.
Claims (6)
1, a kind of method of called user by laminated type prepay roam charge is characterized in that, comprises step:
1) caller makes a call to called, and sends location request message to called attaching position register;
2) judge the called prepaid user of being and be in roaming state according to location request message as if called attaching position register, and called roaming number is asked first, then do not get called roaming number, directly return the position request response message of carrying called roaming area information;
3),, called roaming area information is sent to service control point and asks to finish calling via Service Switching Point according to position request response message;
4) service control point returns charge information and call setup information to Service Switching Point, and Service Switching Point continues to make a call and continues to called GMSC (gateway mobile switching center);
5) called GMSC (gateway mobile switching center) judges that call request do not carry called roaming number and can't be connected with called the calling, then send location request message once more to called attaching position register, called roaming number is asked once more, and then called attaching position register returns called roaming number;
6) called GMSC (gateway mobile switching center) is to the called request of making a call, called roaming place echo reply message, and Service Switching Point begins to charge to called, sends on-hook signal when Called Onhook, and Service Switching Point finishes to charge.
2, the method for called user by laminated type prepay roam charge according to claim 1 is characterized in that: include an information unit that is used for identifying the called prepaid user of being in the position request response message described step 2).
3, the method for called user by laminated type prepay roam charge according to claim 2, it is characterized in that: also include pseudo-roaming number in the position request response message described step 2), form is roaming place area code+service key X1+ called number, and service key X1 is used to indicate the Service Switching Point that need continue.
4, the method for called user by laminated type prepay roam charge according to claim 3 is characterized in that: service control point is revised as called roaming number service key X1+ called number and sends to Service Switching Point in described step 3).
5, the method for called user by laminated type prepay roam charge according to claim 1 is characterized in that: the response message in the described step 6) comprises Address Complete Message and answer charging message.
6, the method for called user by laminated type prepay roam charge according to claim 1 is characterized in that: in the described step 6) take out stitches to finish to charge and call out to service control point report charge information, user and be removed in the Service Switching Point back of finish chargeing.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100737620A CN100496153C (en) | 2004-09-09 | 2004-09-09 | Roam charge method of called user by laminated type prepayment |
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| CNB2004100737620A CN100496153C (en) | 2004-09-09 | 2004-09-09 | Roam charge method of called user by laminated type prepayment |
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| CN1747517A true CN1747517A (en) | 2006-03-15 |
| CN100496153C CN100496153C (en) | 2009-06-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106810B (en) * | 2006-07-14 | 2010-05-12 | 中国电信股份有限公司 | Method for capturing caller subscription information upon cross-network roaming |
| CN101098551B (en) * | 2006-06-27 | 2010-05-26 | 中国电信股份有限公司 | Calling route selection method and communication system under roaming access mode |
| CN101336001B (en) * | 2008-07-29 | 2011-06-08 | 华为技术有限公司 | Roaming charging method, apparatus and system |
| CN101621780B (en) * | 2008-07-04 | 2012-07-04 | 中兴通讯股份有限公司 | Off-line roam charging method for IP multimedia subsystem |
-
2004
- 2004-09-09 CN CNB2004100737620A patent/CN100496153C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101098551B (en) * | 2006-06-27 | 2010-05-26 | 中国电信股份有限公司 | Calling route selection method and communication system under roaming access mode |
| CN101106810B (en) * | 2006-07-14 | 2010-05-12 | 中国电信股份有限公司 | Method for capturing caller subscription information upon cross-network roaming |
| CN101621780B (en) * | 2008-07-04 | 2012-07-04 | 中兴通讯股份有限公司 | Off-line roam charging method for IP multimedia subsystem |
| CN101336001B (en) * | 2008-07-29 | 2011-06-08 | 华为技术有限公司 | Roaming charging method, apparatus and system |
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| Publication number | Publication date |
|---|---|
| CN100496153C (en) | 2009-06-03 |
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