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CN101031009A - Method for realizing packet prepaid in CDMA system - Google Patents

Method for realizing packet prepaid in CDMA system Download PDF

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Publication number
CN101031009A
CN101031009A CNA2006100341571A CN200610034157A CN101031009A CN 101031009 A CN101031009 A CN 101031009A CN A2006100341571 A CNA2006100341571 A CN A2006100341571A CN 200610034157 A CN200610034157 A CN 200610034157A CN 101031009 A CN101031009 A CN 101031009A
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CN
China
Prior art keywords
aaa
scp
quota
user
ppc
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2006100341571A
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Chinese (zh)
Inventor
许秀莉
寇峰
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ZTE Corp
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ZTE Corp
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Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CNA2006100341571A priority Critical patent/CN101031009A/en
Priority to PCT/CN2006/000987 priority patent/WO2007098647A1/en
Publication of CN101031009A publication Critical patent/CN101031009A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/14Charging, metering or billing arrangements for data wireline or wireless communications
    • 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
    • H04M15/82Criteria or parameters used for performing billing operations
    • H04M15/8214Data or packet based
    • 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
    • H04M15/90Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP using Intelligent Networks [IN] or Advanced Intelligent Networks [AIN]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M17/00Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01Details of billing arrangements
    • H04M2215/016Billing using Intelligent Networks [IN] or Advanced Intelligent Networks [AIN]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20Technology dependant metering
    • H04M2215/206CDMA, i.e. Code Division Multiple Access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/22Bandwidth or usage-sensitve billing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/78Metric aspects
    • H04M2215/782Data or packet based

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

In the invention, the mobile switching center interacts with service control point to realize the billing control for the prepaid service of users' voice and the interaction between the packet data service node and the authentication, authorization and accounting (AAA) server in order to provide the access of packet data. It comprises: a) prepaid server interacts with the service control point to save the account information in the service control point; b) prepaid user interacts with the service control point through AAA server to interact the message of accessing and ending of prepaid service; authenticating the prepaid server of users' packet data and managing the bill.

Description

A kind of code division multiple access system is realized the method for packet-based prepayment
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of method that in CDMA (Code Division MultipleAccess, code division multiple access) system, realizes packet-based prepayment.
Background technology
CDMA is a kind of multiple access modulation technique based on the wide-band spread spectrum technology commonly used.CDMA2000 is one of main pattern of 3G (Third Generation) Moblie, and it not only provides high-quality voice service, and packet data transmission service at a high speed also is provided simultaneously.
Fig. 1 is the functional node of existing CDMA2000 system, BTS (Base TransceiverSystem wherein, radio receiving-transmitting unit) set up radio coverage in the sub-district and be used for communication of mobile terminal, BSC (BaseStation Controller, base station controller) can control each BTS; PCF (Packet ControlFunction, group control of functional node) is used to transmit the data between wireless subsystem and the PDSN (Packet Data ServiceNode, packet data serving node).PDSN is the interface module that cdma system inserts Internet.Between PDSN and the PCF be the R-P interface (R-P, Radio-Packet), i.e. A10/A11 interface, A10 is a data channel, A11 is a control channel.PDSN provides access service for the user of cdma system, and the user carries out authentication, mandate and charging by PDSN to AAA (Authentication, Authorization and Accounting, authentication, mandate and accounting server).HA (Home Agent, home agent) is that MIP (Mobile IP, mobile IP) user provides access and mobile management with PDSN.
Cdma system can be the user voice and packet data service is provided simultaneously, two kinds of charging ways but pay in support prepaid and back.Concerning voice, the prepaid services comparative maturity is realized pre paid functionality alternately by MSC (MobileSwitching Center, mobile switching centre) and SCP (Service Control Point, service control point).Packet data service is the data, services pattern of carrying out on a large scale in recent years, can consider to adopt with the same equipment SCP of voice to the realization of user's Packet data service pre-payment and control realization, to reach the unification of user account.
Prepaid services can be passed through the mutual realization of PPC (PrePaid Client, prepayment client) and PPS (PrePaidServer, prepaid server).Concerning prepaid services, rate converts and to be meant duration or the flow that the account with the user converts to, to realize the prepaid data business based on duration or flow respectively.PPS is responsible for that the quota information after the rate conversion is sent to PPC and realizes user's pre-payment is controlled.When practical business is carried out, also can for the user provides different rates, just relate to the rate switching problem of different periods this moment according to the different time periods.
Realize the packet-based prepayment function in cdma system, to the prepaid user of simple IP, PPC realizes on PDSN; To the prepaid user of MIP, PPC not only can realize on PDSN, also can realize on HA.Unified for the account who realizes same user speech and packet-based prepayment, user account is stored among the SCP, and PPC is mutual by AAA and PPS and SCP, to realize the packet-based prepayment service.
Application number has been described a kind of method that realizes packet-based prepayment in cdma network for the patent " implementation method of CDMA(Code Division Multiple Access) packet-based prepayment " of " CN03145175.6 ", this patent has been described between prepaid server PPS and the service control point (SCP) and has been set up interface, when the intelligent service users of account information on SCP uses packet-based prepayment professional, mutual by the PDSN in the cdma system and AAA and PPS, carry out authentication and deduct fees to SCP by described interface by PPS.Wherein, prepayment client PPC is realized by packet data serving node PDSN; Prepaid server PPS and AAA branch are arranged or close and establish.
Cdma system user's account information all has storage in authentication, mandate and accounting server AAA and service control point (SCP), if dividing, prepaid server PPS and AAA be arranged, need in network, increase the PPS entity, in PPS, need storing subscriber information more simultaneously.So not only increased the complexity and the more interactive interfacing of networking, also will inevitably cause information repeat and may exist inconsistent.
In addition, in cdma system, authentication, mandate and accounting server AAA have born user's authentication, authorize and billing function, and AAA not only handles all postpaid service users' authentication, mandate and billing function, and also will handle prepaid user's information.If PPS and AAA unification are provided with, must increase the weight of the load of AAA.
Summary of the invention
Technical problem to be solved by this invention is to utilize the equipment of existing cdma network, and the method that provides a kind of code division multiple access system to realize packet-based prepayment is to reach the unification of voice prepaid and packet-based prepayment in the cdma network.
In order to solve the problems of the technologies described above, the invention provides a kind of cdma system and realize the method for packet-based prepayment, moving exchanging center MSC and service control point (SCP) are mutual, realize the expense control of the prepaid services of user speech, packet data serving node PDSN and authentication, mandate and accounting server AAA insert for the user provides grouped data alternately; It is characterized in that it may further comprise the steps:
A, prepaid server PPS and service control point (SCP) unification realize that account information is in the service control point (SCP);
B, prepayment client PPC insert and end by authentication, mandate and accounting server AAA and service control point (SCP) interactive user pre-payment, carry out the authentication and the expenses management of user's packet-based prepayment service.
But the described prepayment client PPC of described step B packet data serving node PDSN or be home agent HA.
Be to adopt Radius (Remote Authentication Dial-In User Service) message to carry out alternately alternately between the described authentication of described step B, mandate and accounting server AAA and the service control point (SCP).
Further, interactive messages comprises between described authentication, mandate and accounting server AAA and the service control point (SCP):
A) insert requests/response messages
B) initial quota application requests/response messages
C) online quota update request/response message
D) service ending requests/response messages.
Further, described access requests/response messages can be unified with initial quota application requests/response messages.
Prepayment client PPC described in the described step B may further comprise the steps by the flow process of the mutual access message in authentication, mandate and accounting server AAA and service control point (SCP):
Step 1 PPC sends to AAA and inserts request message, carries the prepayment capabilities of PPC in the message;
Step 2 AAA judges that this user is the prepaid user, will insert request message and be transmitted to SCP/PPS;
Step 3 SCP/PPS checks the situation of user account, if allow the user to insert, returns the authorization response message of accepting to insert and gives AAA; Otherwise the response message that returns the refusal access is given AAA;
Step 4 AAA is transmitted to PPC with the access response message of SCP.
Further, carry the initial quota of distributing in the authorization response message that the acceptance returned to AAA of the SCP/PPS described in the described step 3 inserts to the user.
If SCP is allocated quotas when the user inserts request not, further may further comprise the steps after the flow process of then above-mentioned mutual access message:
Step 5 PPC sends initial quota application request message to AAA;
Step 6 AAA is transmitted to SCP/PPS with initial quota application request message;
Step 7 SCP/PPS gives the subscriber authorisation quota and sends initial quota application response message to AAA;
Step 8 AAA is transmitted to PPC with initial quota application response message.
Further, if prepayment client realize by PDSN, before the then described step 5, further comprise PDSN and AAA the mutual of start information that charge.
Among the described step B, if prepayment client PPC is judged as the quota of user's request and uses soon in the time of need asking quota again, described prepayment client PPC is by the further mutual online quota updating message of authentication, mandate and accounting server AAA and service control point (SCP), and interaction flow may further comprise the steps:
Step 9 PPC sends online quota update inquiry information to AAA, carries the quota information of having used in the message;
Step 10 AAA is transmitted to SCP/PPS with online quota update inquiry information;
The quota that step 11 SCP/PPS uses according to the user is given the subscriber authorisation quota again and is sent online quota and upgrades response message to AAA;
Step 12 AAA upgrades response message with online quota and is transmitted to PPC.
Among the described step B, when the system closure user uses packet-based prepayment when service, described prepayment client PPC may further comprise the steps by the flow process of the mutual end in authentication, mandate and accounting server AAA and service control point (SCP):
Step 13 PPC sends the service ending request message to AAA, carries the quota information of having used in the message;
Step 14 AAA is transmitted to SCP/PPS with the service ending request message;
The quota that step 15 SCP/PPS uses according to the user, renewal user's account information sends the service ending response message simultaneously to AAA;
Step 16 AAA is transmitted to PPC with the service ending response message.
Further, if prepayment client PPC is realized that by PDSN in the then described step 13, PDSN is included in the charging end to the service ending request message that AAA sends; In the described step 16, AAA is included in to charge to the service ending response message that PDSN sends and finishes in the response message.
Further, if prepayment client PPC realize by PDSN, then before the above-mentioned steps 13 or after the above-mentioned steps 16, the end that charges between PDSN and the AAA mutual.
Adopt method of the present invention, compared with prior art, the present invention realizes the packet-based prepayment function with the existing C DMA network equipment, PPS and SCP unification are provided with, do not require between PPS and the SCP and set up interface, prepayment client PPC directly realizes the packet-based prepayment function alternately by AAA and SCP, for the networking of packet-based prepayment business and the management of user account provide a great convenience.
The present invention during the packet-based prepayment method, avoids the repeated storage of user account information in realizing CDMA network, simplify the networking of pre-payment; Avoid adding the load of discrimination weight, mandate and accounting server AAA equipment; And to having the minimum that influences of packet network now.
Description of drawings
Fig. 1 is the existing network structure of cdma system;
Fig. 2 is the network structure that cdma system is realized the packet-based prepayment service;
Fig. 3 is that cdma system inserts the process chart that the user provides the packet-based prepayment service;
Fig. 4 is that cdma system provides prepaid services for the user time request distributes the process chart of initial quota;
The process chart of Fig. 5 when to be cdma system for the user provide the online quota application of prepaid services;
Fig. 6 is the process chart that the cdma system end user is used the packet-based prepayment service.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
In following examples, for convenience of description, prepayment client PPC is an example with packet data serving node PDSN.Equally, when the user adopted the access cdma system of MIP, prepayment client also can be realized by home agent HA, when PDSN does not have prepayment capabilities, if HA has prepayment capabilities, still can provide prepaid services for the user of MIP like this.
Fig. 1 is the existing network structure of cdma system.Wherein:
Radio receiving-transmitting unit 111 is set up radio coverage in the sub-district and is used for communication of mobile terminal;
Group control of functional node 112 main realization air wireless interface are connected with packet data serving node 113;
Packet data serving node 113 is realized cdma network user's access, bears the function of prepayment client PPC in prepaid services;
Home agent 114 inserts and mobile management for MIP user provides with packet data serving node 113;
Authentication, mandate and accounting server 115 are realized CDMA user's authentication, mandate and billing function;
Mobile switching centre 116 provides CDMA voice user's access control, and is mutual with business control nodes 117, realizes the expense control of the prepaid services of user speech.
Service control point 117 is for the prepaid user provides account management, the amount of money and duration or flow cycled rate scaling function, and stride the rate handoff functionality of time point.
Attaching position register 118 provides the user to insert the identification authentication of cdma network.
Fig. 2 realizes the network structure of packet-based prepayment service for cdma system.Wherein:
Service control point (SCP) and prepaid server PPS unification realize that user account information is deposited at service control point 217.
When the user uses the packet-based prepayment service, insert by authentication, mandate and accounting server 115 and service control point 117 interactive user pre-payments by the packet data serving node in the cdma system 113, online quota is upgraded and end, realizes authentication and expenses management to the packet-based prepayment user.
Interface between service control point 217 and authentication, mandate and the accounting server 115 is the Radius interface.
Fig. 3 begins to provide for the user process chart of packet-based prepayment service for cdma system.
When cdma system began to provide the packet-based prepayment service, the flow process that inserts message alternately may further comprise the steps:
301 PDSN send to AAA and insert request message, carry the prepayment capabilities of PDSN in the message;
302 AAA judge that this user is the prepaid user, will insert request message and be transmitted to SCP/PPS;
303 SCP/PPS check the situation of user account, if allow the user to insert, return the authorization response message of accepting to insert and give AAA, carry the initial quota of distributing to the user in the message; Otherwise the response message that returns the refusal access is given AAA;
304 AAA are transmitted to PDSN with the access response message of SCP.
Request distributed the process chart of initial quota when Fig. 4 provided prepaid services for cdma system for the user.
If SCP is allocated quotas when the user inserts request not, then before providing data transport service for the user, PDSN need ask initial quota to SCP, and interaction flow may further comprise the steps:
401 PDSN and the AAA beginning message of chargeing alternately;
402 PDSN send initial quota application request message to AAA;
403 AAA are transmitted to SCP/PPS with initial quota application request message;
404 SCP/PPS give the subscriber authorisation quota and send initial quota application response message to AAA;
405 AAA are transmitted to PDSN with initial quota application response message.
Process chart when Fig. 5 provides the online quota application of prepaid services for cdma system for the user.
If PDSN is judged as the quota of user's request and uses soon in the time of need asking quota again, interaction flow may further comprise the steps:
501 PDSN send online quota update inquiry information to AAA, carry the quota information of having used in the message;
502 AAA are transmitted to SCP/PPS with online quota update inquiry information;
The quota that 503 SCP/PPS use according to the user is given the subscriber authorisation quota again and is sent online quota and upgrades response message to AAA;
504 AAA upgrade response message with online quota and are transmitted to PDSN.
Fig. 6 uses the process chart of packet-based prepayment service for the cdma system end user.
When cdma system termination user used the packet-based prepayment service, interaction flow may further comprise the steps:
601 PDSN send the service ending request message to AAA, carry the quota information of having used in the message;
602 AAA are transmitted to SCP/PPS with the service ending request message;
The quota that 603 SCP/PPS use according to the user, renewal user's account information sends the service ending response message simultaneously to AAA;
604 AAA are transmitted to PDSN with the service ending response message;
Mutual charging end between 605 PDSN and the AAA.
Code division multiple access system recited above realizes that the method for packet-based prepayment is applicable to CDMA2000 1X, CDMA2000EV-DO, CDMA2000 1X EV-DV system, and other adopts the similar network structure to realize the system of pre paid functionality.
In sum, a kind of code division multiple access system that the present invention proposes is realized the method for packet-based prepayment, has adopted networking mode easily, and the minimum that influences to existing packet network provides a great convenience carrying out prepayment service in the cdma system.

Claims (13)

1, a kind of cdma system is realized the method for packet-based prepayment, moving exchanging center MSC and service control point (SCP) are mutual, realize the expense control of the prepaid services of user speech, packet data serving node PDSN and authentication, mandate and accounting server AAA insert for the user provides grouped data alternately, it is characterized in that it may further comprise the steps:
A, prepaid server PPS and service control point (SCP) unification realize that account information is in the service control point (SCP);
B, prepayment client PPC insert and end by authentication, mandate and accounting server AAA and service control point (SCP) interactive user pre-payment, carry out the authentication and the expenses management of user's packet-based prepayment service.
2, method according to claim 1 is characterized in that, but the described prepayment client PPC of described step B packet data serving node PDSN or be home agent HA.
3, method according to claim 1 is characterized in that, described step B prepayment client PPC is to adopt Radius message to carry out alternately by authentication, mandate and accounting server AAA and service control point (SCP) alternately.
4, method according to claim 1 is characterized in that, interactive messages comprises between described authentication, mandate and accounting server AAA and the service control point (SCP):
A) insert requests/response messages
B) initial quota application requests/response messages
C) online quota update request/response message
D) service ending requests/response messages.
5, method according to claim 4 is characterized in that, described access requests/response messages can be unified with initial quota application requests/response messages.
6, method according to claim 1 is characterized in that, prepayment client PPC described in the described step B may further comprise the steps by the flow process of the mutual access message in authentication, mandate and accounting server AAA and service control point (SCP):
6.1 PPC sends to AAA and inserts request message, carries the prepayment capabilities of PPC in the message;
6.2 AAA judges that this user is the prepaid user, will insert request message and be transmitted to SCP/PPS;
6.3 SCP/PPS checks the situation of user account, if allow the user to insert, returns the authorization response message of accepting to insert and gives AAA; Otherwise the response message that returns the refusal access is given AAA;
6.4 AAA is transmitted to PPC with the access response message of SCP.
7, method according to claim 6 is characterized in that, carries the initial quota of distributing to the user in the authorization response message that the acceptance that the SCP/PPS described in the described step 6.3 returns to AAA inserts.
8, according to claim 1 or 6 described methods, it is characterized in that,, further may further comprise the steps after the flow process of then mutual access message if SCP does not have allocated quotas when the user inserts request:
8.1 PPC sends initial quota application request message to AAA;
8.2 AAA is transmitted to SCP/PPS with initial quota application request message;
8.3 SCP/PPS gives the subscriber authorisation quota and sends initial quota application response message to AAA;
8.4 AAA is transmitted to PPC with initial quota application response message.
9, method according to claim 8 is characterized in that, further, if prepayment client realize by PDSN, further comprise before the then described step 8.1 PDSN and AAA charge start information alternately.
10, method according to claim 1, it is characterized in that, if prepayment client PPC is judged as the quota of user's request and uses soon in the time of need asking quota again, the described prepayment client PPC of described step B passes through the further mutual online quota updating message of authentication, mandate and accounting server AAA and service control point (SCP), concrete following steps:
10.1 PPC sends online quota update inquiry information to AAA, carries the quota information of having used in the message;
10.2 AAA is transmitted to SCP/PPS with online quota update inquiry information;
10.3 the quota that SCP/PPS uses according to the user is given the subscriber authorisation quota again and is sent online quota and upgrades response message to AAA;
10.4 upgrading response message with online quota, AAA is transmitted to PPC.
11, method according to claim 1 is characterized in that, described prepayment client PPC may further comprise the steps by the flow process of the mutual end in authentication, mandate and accounting server AAA and service control point (SCP):
11.1 PPC sends the service ending request message to AAA, carries the quota information of having used in the message;
11.2 AAA is transmitted to SCP/PPS with the service ending request message;
11.3 the quota that SCP/PPS uses according to the user, renewal user's account information sends the service ending response message simultaneously to AAA;
11.4 AAA is transmitted to PPC with the service ending response message.
12, method according to claim 11 is characterized in that, if prepayment client PPC is realized that by PDSN in the then described step 11.1, PDSN is included in the charging end to the service ending request message that AAA sends; In the described step 11.4, AAA is included in to charge to the service ending response message that PDSN sends and finishes in the response message.
13, method according to claim 11 is characterized in that, if prepayment client PPC realize by PDSN, before the then described step 11.1 or after the described step 11.4, the end that charges between PDSN and the AAA mutual.
CNA2006100341571A 2006-03-04 2006-03-04 Method for realizing packet prepaid in CDMA system Pending CN101031009A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CNA2006100341571A CN101031009A (en) 2006-03-04 2006-03-04 Method for realizing packet prepaid in CDMA system
PCT/CN2006/000987 WO2007098647A1 (en) 2006-03-04 2006-05-16 A method and means for implementing package prepaid in cdma system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2006100341571A CN101031009A (en) 2006-03-04 2006-03-04 Method for realizing packet prepaid in CDMA system

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020116338A1 (en) * 2001-02-22 2002-08-22 Jean-Charles Gonthier Prepaid access to internet protocol (IP) networks
US8498391B2 (en) * 2002-12-02 2013-07-30 Apple Inc. Methods, systems and program products for supporting prepaid service within a communication network
CN100512076C (en) * 2003-07-01 2009-07-08 华为技术有限公司 Method for implementing packet pre-payment in CDMA
CN1635726A (en) * 2003-12-29 2005-07-06 华为技术有限公司 Realization Method of CDMA20001X Packet Prepaid Service

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