CN101141267B - Wireless communication system timing and accounting system and its implementing method - Google Patents

Wireless communication system timing and accounting system and its implementing method Download PDF

Info

Publication number
CN101141267B
CN101141267B CN2007101525971A CN200710152597A CN101141267B CN 101141267 B CN101141267 B CN 101141267B CN 2007101525971 A CN2007101525971 A CN 2007101525971A CN 200710152597 A CN200710152597 A CN 200710152597A CN 101141267 B CN101141267 B CN 101141267B
Authority
CN
China
Prior art keywords
service
time
duration
business
message
Prior art date
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.)
Active
Application number
CN2007101525971A
Other languages
Chinese (zh)
Other versions
CN101141267A (en
Inventor
秦俭
李华光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN2007101525971A priority Critical patent/CN101141267B/en
Publication of CN101141267A publication Critical patent/CN101141267A/en
Application granted granted Critical
Publication of CN101141267B publication Critical patent/CN101141267B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a clocking and charging system and the implementation method thereof in the wireless communication. The method comprises the such steps as (1) filtering rule and time slice for configuring the content charging; (2) as conducting the new operation, message A1 is received, so that based on filtering rule and message A1, A1 is matched with the service identification as A; (3) As message A2 arrives, A2 can be matched with service identification A. A1 with the same service identification A shall be found out, so that based on the arrival time difference of A1 and A2 as well as the time slice, the duration of the operation can be calculated, and then waiting for the next message A3. The duration of operation can be circulated and accumulated till the operator ticket can be made; (4) the relevant rate can be searched on the basis of service identification A; also, as per the calculated duration of operation, the fees can be calculated and submitted to the operator ticket. The utility model introduces the time slice to the calculation for the duration of operation, so as to record the actual duration of the operation. Thus, the reliability and the validity of the charging are further improved.

Description

Timing and charging system and implementation method in a kind of wireless communication system
Technical field
The present invention relates to timing and charging system and implementation method in a kind of wireless communication system, relate to a kind of method and system of in 3G mobile wireless network business, the professional use of unique user duration being added up particularly.
Background technology
In the 3G epoch, video telephone, Streaming Media and high-speed data download etc. are that main 3G service application will obtain high speed development and popularizes, traditional charging problem that can not solve mobile Internet based on the charging method of duration or data traffic.It must serve as that more charge mode is considered to support in the basis with content and quality that the 3G epoch charge.
Content charging, refer to the merchant of battalion and can formulate charging policy and charging way respectively according to the different content that business provides, content charging can be distinguished the affiliated type of service of content in the data flow, thereby is equipped with different expenses standards, collects different telephone expenses to the mobile subscriber.
The main type of the tariff mode of content charging has: the incident of pressing or the action frequency of pressing duration charging, content-based value of content-based value charges, the combination charging of pressing QoS charging and aforesaid way by data traffic charging, content-based value of content-based value.
Traditional content charging is the flow information of every kind of business of recording user use, after arriving thresholding, each user's total flow and time reports the such flow process of charge system call list, and the content charging ticket field TimeUsage in the 3GPP agreement 32.298 proposes every kind of professional duration that uses needing recording user to carry out, and operator's certain business of also proposing to carry out at the user is carried out the response demand of time-based charging simultaneously.
The difficulty that recording user uses duration causes mainly due to the discontinuity of business, and this is mainly caused by the factor of two aspects: 1. the discontinuity that transmits of the packet that causes of discontinuity 2. servers of user self operation or network reason.
For example the user have individual business be the visit Sina webpage, in our system, mate which kind of charging policy in order to write down this business, disposed filtering rule, the URL of the charging regulation of visit Sina is www.sina.com.cn*, behind user capture www.sina.com.cn, all webpages be connected all, this time, business was through with at last, because the user may be at interval clicked Sina's another one connection again after several seconds (also might a few minutes even several hours), physical culture (www.sina.com.cn/sports and www.sina.com.cn belong to same filtering rule) as Sina, belong to same business, professional also underway.All not being accumulated among user's the business use duration TimeUsage if at this moment the user is really carried out the professional time, is inequitable for the user.
Also have a kind of situation to be because the problem of server or network, for example the user carries out FTP and downloads, and has downloaded after a few minutes because server is busy, and the packet on the access line road continues to transmit after being forced to stop to have transmitted a period of time again.
Existing processing method all is to calculate according to the duration that business continues mostly, the time that arrives according to professional last message deducts the duration of the time of professional first message arrival as the business use, do not use professional duration also can be entered by statistics like this in the middle of the user, this is irrational expense for the user.
Summary of the invention
The technical problem to be solved in the present invention provides timing and charging system and implementation method in a kind of wireless communication technology, timeslice is applied to professional duration statistics, and can be by the take the time granularity of sheet of operator oneself, the real use duration of certain business of recording user, user's experience can better be provided, make and charge more rationally effectively.
In order to address the above problem, the invention provides Fare determined by travel time implementation method in a kind of wireless communication system, may further comprise the steps:
(1) in system configuration about the filtering rule and the timeslice of content charging;
(2) when the user begins to carry out new business, at first receive the service message A1 of this business, according to the information of filtering rule and service message A1, for service message A1 coupling service identification is A;
(3) when service message A2 arrives, for service message A2 coupling service identification is A, and look for service identification to be all the last service message A1 of A, and the time difference and the reference time sheet that arrive according to described two service messages, carry out the professional statistics of using duration, wait for next service message A3 then, the professional duration that uses of circulation accumulative total is until reaching the call list condition;
(4) when reaching the call list condition, search its corresponding rate according to this professional service identification A, and use duration according to this business that counts, carry out expense and calculate and report call list;
Further, method of the present invention, wherein, described filtering rule comprises: source IP address, IP address, destination, source port number, destination port numbers and protocol type; The information of described service message comprises: source IP address, IP address, destination, source port number, destination port numbers and protocol type;
Further, method of the present invention, wherein, described timeslice is for the packet by current business stops to be sent to the duration that suspends the professional service time of calculating the user; The granularity of described timeslice is disposed by demand voluntarily by operator;
Method of the present invention, wherein, in the described step (2), further comprise: when the user begins to carry out new business, at first receive the service message A1 of this business, according to the information of filtering rule and service message A1, carry out the coupling of service identification for this service message A1, determine that corresponding business is designated A, it is stored in the service identification memory block, and write down the current time and be professional time of advent last time;
Method of the present invention, wherein, in the described step (3), further comprise: when next service message A2 arrives, information according to filtering rule and service message A2, for after service message A2 matches corresponding business sign A, traversal service identification memory block, look for service identification to be all the last service message A1 of A, the time that arrives with message A2 deducts the time that arrived last time with the A1 corresponding service, if this difference is greater than timeslice then be not counted in the professional duration that uses during this period of time, less than then counting, and the time that service message A2 arrives saved as professional time of advent last time, and wait for next service message A3 then, the professional duration that uses of circulation accumulative total is until reaching the call list condition;
Further, method of the present invention, wherein, the described call list condition that reaches is used duration for the business of described statistics and is reached the threshold value of default;
Further, method of the present invention, wherein, according to the information matches of filtering rule and service message A2 behind corresponding business sign A, traversal service identification memory block, if can not find the last service message that service identification is all A, then service message A2 handled execution in step (2) as service message A1;
In order to address the above problem, the present invention also provides timing and charging system in a kind of wireless communication system, comprising:
Control module is used for sheet setup time in system, and this timeslice after will activating sends Service Processing Module to, simultaneously configurating filtered rule and it is passed to Service Processing Module; Also be used to receive the service identification that accounting module is sent, and find corresponding professional rate according to this service identification and pass to accounting module again;
Service Processing Module, be used to receive the timeslice that control module transmits and carry out the professional statistics of using duration in view of the above, the business that will count again uses duration to issue accounting module, also is used to receive filtering rule that control module transmits and the coupling of carrying out service identification in view of the above;
Accounting module, be used for service identification is passed to control module, and receive control module, and the business that Service Processing Module transmits is used duration according to the corresponding professional rate that this service identification fed back, according to described rate and duration, carry out expense and calculate and call list afterwards;
Further, system of the present invention, wherein, described Service Processing Module is used to receive filtering rule that control module transmits and the coupling of carrying out service identification in view of the above, comprising: receive the filtering rule that control module transmits, and carry out the coupling of service identification for this business according to the information of this rule and current business message, determine corresponding business sign it to be stored in the service identification memory block, and write down the current time and be professional time of advent last time;
Further, system of the present invention, wherein, described Service Processing Module, be used to receive the timeslice that control module transmits and carry out the professional statistics of using duration in view of the above, the business that will count again uses duration to issue accounting module, comprise: receive the timeslice that control module transmits, and according to the information matches of filtering rule and current business message to traversal service identification memory block, corresponding business sign back, find a last service message identical with the service identification of current message, deduct the time that arrived in professional last time in the time that arrives according to current message, if this difference is greater than timeslice then be not counted in the professional duration that uses during this period of time, less than then counting, and the time that this message arrives saved as professional time of advent last time, wait for next service message then, the professional duration that uses of circulation accumulative total, up to reaching the call list condition, use duration to issue accounting module this business that counts.
Compared with prior art, the method of the invention and system, user's contingent various situations in the process that practical business uses in the wireless data communication system have been analyzed, owing to the reason of user oneself operation or may be that the reason of the webserver causes the discontinuous of service traffics, if these no flow times are chargeed, the user must complain, does not also wish to cause thus user's complaint with the merchant of battalion; Timeslice is applied to professional duration statistics, and can be by the take the time granularity of sheet of operator oneself, the real use duration of certain business of recording user can better provide user's experience, makes to charge more rationally effectively.
Description of drawings
Fig. 1 is business process chart service time in the embodiment of the invention;
Fig. 2 is the module map of timing and charging system in the embodiment of the invention;
Fig. 3 is the schematic diagram of module interaction process in the timing and charging system in the embodiment of the invention.
Embodiment
The present invention is in order to solve the drawback that conventional solution exists, further set forth timing and charging system and implementation method in a kind of wireless communication technology of the present invention by following embodiment, below embodiment is described in detail, but not as a limitation of the invention.
The present invention has introduced the notion of timeslice (timeslip) for professional duration is carried out record.In the middle of discrete time-based charging process about the content charging service traffics, when carrying out professional packet, the user stops transmission above this timeslice, then no longer add up this professional service time of user, after transmitting once more, data just carry out time accumulative total.For the packet by current business stops to be sent to this section duration that suspends the professional service time of calculating the user, can represent with timeslice.
The concrete method of timeslice being introduced the computing service duration is as follows: when certain business (having identical service identifiers) of user, if less than timeslice, the business that counts the user is during this period of time used duration the blanking time of a back message and previous message; If a back message and previous message interval greater than timeslice, think that this section of user period do not carry out this business, the business that will not count the user is during this period of time used duration.
As shown in Figure 1, be business process chart service time in the embodiment of the invention, may further comprise the steps:
Step 100, configuration is about the filtering rule of content charging in system, and described filtering rule can be a five-tuple information, comprising: source IP address, IP address, destination, source port number, destination port numbers and protocol type;
Step 101, in system setup time sheet, described timeslice stops to be sent to this section duration that suspends the professional service time of calculating the user for the packet by current business; The granularity of described timeslice is disposed by demand voluntarily by operator;
If setup time, sheet was infinitely great, then be equal to general time-based charging and (do not consider that the user does not use professional dead time, just charge as long as reach the standard grade), if setup time, sheet was a minimum value, then recording user carries out the real use duration of this business accurately;
Step 102, when the user begins to carry out new business, at first receive the service message A1 of this business, information according to filtering rule and current business message A1, for service message A1 coupling service identification is A, and service identification A is stored in the service identification memory block, and writes down the current time and be professional time of advent last time; The information of described current business message comprises: source IP address, IP address, destination, source port number, destination port numbers and protocol type;
Step 103 when next service message A2 arrives, identifies A according to the information matches of filtering rule and current business message A2 to corresponding business;
Step 104, a last service message A1 who is all A with the service identification of service message A2 is searched in traversal service identification memory block; If found identical service identification, then execution in step 105; If can not find identical service identification, illustrate that this business is new business, service message A2 is handled as service message A1, then execution in step 107;
Step 105, the time that arrives with current message A2 deducts the time (time that A1 arrives) that the A1 corresponding service arrived last time, and the difference and the timeslice that obtain compare;
Step 106 is if this difference greater than timeslice then be not counted in the professional duration that uses during this period of time, less than then counting, and saves as professional time of advent last time with the time that this message A2 arrives; Execution in step 108;
Step 107 writes down this service identification A, and writes down the current time and be professional time of advent last time;
Step 108 checks whether arrive out the words condition, if do not have, then execution in step 103; If reach the words condition, then execution in step 109;
Describedly reach the words condition, use duration for the business of described statistics and reach a certain limit value of default;
Step 109 is searched its corresponding rate according to this professional service identification, and uses duration according to this business that counts, and carries out expense and calculates and report call list.
As shown in Figure 2,, in system, mainly contain three modules and cooperatively interact, comprising for the module map of timing and charging system in the embodiment of the invention:
Control module 11 is used for sheet setup time in system, and this timeslice after will activating sends Service Processing Module 12 to, simultaneously configurating filtered rule and it is also passed to Service Processing Module 12; Also be used to receive the service identification that accounting module 13 is sent, and find corresponding professional rate according to this service identification and pass to accounting module 13 again;
Service Processing Module 12, be used to receive the timeslice that control module 11 transmits and carry out the professional statistics of using duration in view of the above, the business that will count again uses duration to issue accounting module 13, also is used to receive filtering rule that control module 11 transmits and the coupling of carrying out service identification in view of the above;
Accounting module 13, be used for service identification is passed to control module 11, and receive control module 11, and the business that Service Processing Module 12 transmits is used duration according to the corresponding professional rate that this service identification fed back, according to described rate and duration, carry out expense and calculate and call list afterwards.
As shown in Figure 3, the signal journey figure for module interaction process in the timing and charging system in the embodiment of the invention may further comprise the steps:
Step S01, control module 11 is issued Service Processing Module 12 to the timeslice that disposes in the system;
Step S02, Service Processing Module 12 carries out the duration statistics, when first message of certain business through out-of-date, Service Processing Module 12 carries out the coupling of filtering rule, mate this service message and belong to certain service identification, need write down this service identification for the first time, at this time with the time of advent last time assignment be the current time, compose 0 professional service time, do not do any other processing;
After the next message of this same service identification is come, the 12 usefulness current time of Service Processing Module deduct time of advent last time, if this segment value is less than timeslice, think that so business is also continuing, and will deduct the current time and add up time of advent last time, and upgrade time of advent last time with the current time into the professional duration the inside of using; If the current time deducts time of advent last time greater than timeslice, think that then the user has not re-used this business;
The a very long time was not carried out any operation after for example FTP had downloaded, and should not charge to the customer consumption time during this period of time, and Service Processing Module 12 directly will be updated into and get final product the time of advent last time current time;
Step S03, control module 11 sends to Service Processing Module 12 with the filtering rule of system configuration;
Step S04, Service Processing Module 12 carries out the coupling of service identification according to filtering rule, Service Processing Module extracts five-tuple (source IP address, IP address, destination, source port number, destination port numbers and the protocol type) information in the Business Stream, mate with the information in the filter rule list, draw stream up-downgoing service identification;
Step S05, when wanting call list, Service Processing Module 12 is issued accounting module 13 with the duration and the service identification of statistics, empties service identification after the transmission, and time of advent last time and the professional duration that uses are so that next statistics;
Step S06, accounting module 13 need charge according to the rate of service identification correspondence, and accounting module 13 is issued control module 11 with service identification, and control module 11 is searched according to the service identification that disposes in the system and rate corresponding relation and is drawn rate;
Step S07, accounting module 13 call lists, accounting module 13 draws professional cost of use according to rate and the professional duration calculation of using, and call list.
The invention describes statistical method and system based on the professional duration of timeslice, the time that does not have Business Stream to pass through of overtime sheet all is not counted in the duration of business statistics, if the timeslice of supplier's configuration is very big, the business statistics duration just has a large amount of dead times, so suggestion could make like this that with the less timeslice of the merchant of battalion configuration Fare determined by travel time is more reasonable.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (10)

1. Fare determined by travel time implementation method in the wireless communication system is characterized in that, may further comprise the steps:
(1) in system configuration about the filtering rule and the timeslice of content charging;
(2) when the user begins to carry out new business, at first receive the service message A1 of this business, according to the information of filtering rule and service message A1, for service message A1 coupling service identification is A;
(3) when service message A2 arrives, for service message A2 coupling service identification is A, and look for service identification to be all the last service message A1 of A, and the time difference and the reference time sheet that arrive according to two service messages, carry out the professional statistics of using duration, wait for next service message A3 then, the professional duration that uses of circulation accumulative total is until reaching the call list condition, wherein
Time and reference time sheet according to two service messages arrival, carrying out the professional statistics of duration of using comprises: the time that arrives with service message A2 deducts the time with arrival last time of A1 corresponding service, if this difference is greater than timeslice then be not counted in the professional duration that uses during this period of time, less than then counting, and the time that service message A2 arrives saved as professional time of advent last time;
(4) when reaching the call list condition, search its corresponding rate according to this professional service identification A, and use duration according to this business that counts, carry out expense and calculate and report call list.
2. the method for claim 1 is characterized in that, described filtering rule comprises: source IP address, IP address, destination, source port number, destination port numbers and protocol type;
The information of described service message comprises: source IP address, IP address, destination, source port number, destination port numbers and protocol type.
3. the method for claim 1 is characterized in that, described timeslice is for the packet by current business stops to be sent to the duration that suspends the professional service time of calculating the user;
The granularity of described timeslice is disposed by demand voluntarily by operator.
4. the method for claim 1 is characterized in that, in the described step (2), further comprises:
When the user begins to carry out new business, at first receive the service message A1 of this business, information according to filtering rule and service message A1, carry out the coupling of service identification for this service message A1, determine that corresponding business is designated A, it is stored in the service identification memory block, and writes down the current time and be professional time of advent last time.
5. method as claimed in claim 4 is characterized in that, in the described step (3), further comprises:
When next service message A2 arrived, according to the information of filtering rule and service message A2, for after service message A2 matches corresponding business sign A, traversal service identification memory block looked for service identification to be all the last service message A1 of A.
6. method as claimed in claim 5 is characterized in that, the described call list condition that reaches is used duration for the business of described statistics and reached the threshold value of default.
7. method as claimed in claim 5, it is characterized in that, according to the information matches of filtering rule and service message A2 behind corresponding business sign A, traversal service identification memory block, if can not find the last service message that service identification is all A, then service message A2 is handled execution in step (2) as service message A1.
8. timing and charging system in the wireless communication system is characterized in that, comprising:
Control module is used for sheet setup time in system, and this timeslice after will activating sends Service Processing Module to, simultaneously configurating filtered rule and it is passed to Service Processing Module; Also be used to receive the service identification that accounting module is sent, and find corresponding professional rate according to this service identification and pass to accounting module again;
Service Processing Module, be used to receive the timeslice that control module transmits and carry out the professional statistics of using duration in view of the above, the business that will count again uses duration to issue accounting module, also is used to receive filtering rule that control module transmits and the coupling of carrying out service identification in view of the above, wherein
Be used to receive the timeslice that control module transmits and carry out the professional statistics of using duration in view of the above, the business that will count again uses duration to issue accounting module, comprise: receive the timeslice that control module transmits, the time that arrives according to current message deducts the time that last message with identical services sign arrives, if this difference is greater than timeslice then be not counted in the professional duration that uses during this period of time, less than then counting, and the time that the current business message arrives saved as professional time of advent last time, wait for next service message then, the professional duration that uses of circulation accumulative total, up to reaching the call list condition, use duration to issue accounting module this business that counts;
Accounting module, be used for service identification is passed to control module, and receive control module, and the business that Service Processing Module transmits is used duration according to the corresponding professional rate that this service identification fed back, according to described rate and duration, carry out expense and calculate and call list afterwards.
9. system as claimed in claim 8 is characterized in that, described Service Processing Module is used to receive filtering rule that control module transmits and the coupling of carrying out service identification in view of the above, comprising:
Receive the filtering rule that control module transmits, and carry out the coupling of service identification for this business according to the information of this rule and current business message, determine corresponding business sign it to be stored in the service identification memory block, and write down the current time and be professional time of advent last time.
10. system as claimed in claim 9 is characterized in that, described Service Processing Module is used to receive the timeslice that control module transmits and carries out the professional statistics of using duration in view of the above, and the business that will count again uses duration to issue accounting module, comprising:
Receive the timeslice that control module transmits, and travel through the service identification memory block to corresponding business sign back, find a last service message identical with the service identification of current message according to the information matches of filtering rule and current business message.
CN2007101525971A 2007-10-17 2007-10-17 Wireless communication system timing and accounting system and its implementing method Active CN101141267B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007101525971A CN101141267B (en) 2007-10-17 2007-10-17 Wireless communication system timing and accounting system and its implementing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2007101525971A CN101141267B (en) 2007-10-17 2007-10-17 Wireless communication system timing and accounting system and its implementing method

Publications (2)

Publication Number Publication Date
CN101141267A CN101141267A (en) 2008-03-12
CN101141267B true CN101141267B (en) 2010-04-21

Family

ID=39193034

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007101525971A Active CN101141267B (en) 2007-10-17 2007-10-17 Wireless communication system timing and accounting system and its implementing method

Country Status (1)

Country Link
CN (1) CN101141267B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101272282B (en) * 2008-04-28 2010-08-25 中国移动通信集团设计院有限公司 Method and device for service data statistics
CN101686134B (en) * 2008-09-28 2012-02-01 华为技术有限公司 Charge processing method, device and system
CN102394759A (en) * 2011-06-29 2012-03-28 华为数字技术有限公司 Charging method and device
CN108171887B (en) * 2017-12-20 2020-10-20 新华三技术有限公司 Method and device for charging electric quantity

Also Published As

Publication number Publication date
CN101141267A (en) 2008-03-12

Similar Documents

Publication Publication Date Title
CN101005381B (en) System and method for realizing flow statistic based user's service on terminal
CN100377523C (en) Data service information collecting device and charging method using same
CN100370729C (en) System for providing flexible charging in a network
CN102098650B (en) Content charging-based flow adaptation method and system
US9161261B2 (en) Communication speed control system
CN101119211A (en) Service implementing method of equal user tactics
CN101141267B (en) Wireless communication system timing and accounting system and its implementing method
CN108880934B (en) Data flow statistical method and device based on block chain
CN108401231B (en) Charging method, device and system
WO2004077765A1 (en) Communication charge sorting method and device
CN1745539B (en) Prepaid wise network service
WO2015188580A1 (en) Traffic control method and apparatus
KR100578379B1 (en) Content-graded billing system and method for use of wireless data service
US8515860B2 (en) System, method and computer program product for prepaid and wireless voice communication and IP
CN105376155B (en) A kind of Intelligent routing system and method based on distributed type assemblies framework
CN1476207A (en) IP special line charging method and system
CN101232386A (en) Method for counting MMS flow quantity
KR100294360B1 (en) Method for Internet Free Handphone Service and Apparatus thereof
JP3986526B2 (en) Usage state confirmation method and apparatus
CN100542095C (en) A kind of charge on traffic method
CN1744644B (en) Charging method based on mobile data communication net
KR20070005117A (en) Method and system for providing mobile profit returning service by using mobile fund to consist of storing discount fare in mobile communication fare
KR101061717B1 (en) Calculation method of attracting subscribers by communication service unit by session
CN109428731B (en) Online data flow charging method, device, equipment and computer storage medium
KR100622652B1 (en) Graded billing system and method for use of portal website of prepaid subscriber

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant