CN101610489B - OCS-based implementation method of free phone service and system thereof - Google Patents

OCS-based implementation method of free phone service and system thereof Download PDF

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Publication number
CN101610489B
CN101610489B CN2009101087073A CN200910108707A CN101610489B CN 101610489 B CN101610489 B CN 101610489B CN 2009101087073 A CN2009101087073 A CN 2009101087073A CN 200910108707 A CN200910108707 A CN 200910108707A CN 101610489 B CN101610489 B CN 101610489B
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called
calling
called number
message
calling number
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CN101610489A (en
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李富
周志军
朱仲亮
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ZTE Corp
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ZTE Corp
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Priority to CN2009101087073A priority Critical patent/CN101610489B/en
Priority to PCT/CN2009/075399 priority patent/WO2011003255A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1453—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network
    • H04L12/1471—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network splitting of costs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication

Abstract

The invention discloses an OCS-based implementation method of a free phone service. The method comprises a procedure of activating the called service by a USSD way and the following steps: A. a terminal of a calling number sends a USSD request message to an SCP, wherein, the request message comprises a called number; B. the SCP calls a called number based on the request message, and calls the calling number, and connects the called number and the calling number; C. the calling number communicates with the called number; and D. when the communication ends, service cost is deducted from an account of the called number according to charging setting. The invention further discloses an OCS-based free phone service system. The method and the system are characterized by sending a USSD request message to activate the free phone service, calling the called number and the calling number respectively, and connecting the called number and the calling number to implement communication between the calling number and the called number, and the communication service is finished by the connection of the two calling procedures, which implements the low-cost free phone service.

Description

A kind of freephone implementation method and system based on OCS
Technical field
The present invention relates to the telecom communication field, be specifically related to intelligent network OCS (Online ChargingSystem: Online Charging System) freephone implementation method and system under the framework.
Background technology
Intelligent network is a kind of professional architecture that is used to produce and provide, and its most important character is that various characteristic value-added services can be provided quick and convenient, flexibly economically.And OCS has realized separating of professional control and charging, is the direction of the following development of chargeing.Increasing operator has been arranged at present local or all use OCS, believed in the near future to obtain bigger application.
Present traditional freephone; Be that mode through prefixing before called number realizes; Be the party A-subscriber through dialing the called number B (like Prefix+B) of band prefix, through MSC (Mobile Switch Center: mobile switching centre) with SSP (Service Switch Point: Service Switching Point) to this special prefix on do the freephone of a calling of corresponding configuration triggering.Detailed process is that (Initial Detection Point: message trigger freephone Initial Detection Point) directly issues CONNECT (connection) message then and realizes continuing of A and B number, thereby realizes both sides' conversation through IDP.The freephone that this method triggers tends to produce higher expense.
Summary of the invention
The technical problem that the present invention will solve provides a kind of the freephone implementation method and system based on OCS that can reduce functional expenses.
Technical problem of the present invention is solved through following technical scheme:
A kind of freephone implementation method based on OCS comprises the process that adopts the unstructured supplementary data traffic mode to trigger called service, and this process may further comprise the steps:
Steps A. the unstructured supplementary data traffic request message is sent to service control point in terminal, calling number place, comprises called number in the described request message;
Step B. service control point is called out called number earlier based on the request message of steps A, calls out calling number again, and continue said called number and calling number;
Step C. calling number and called number conversation;
Step D. end of conversation, setting is deducted functional expenses from the account of called number according to chargeing.
Also comprise the unstructured supplementary data traffic identification code in the above-mentioned request message, above-mentioned steps B also comprises the process of request message being discerned according to the unstructured supplementary data traffic identification code in the request message.
Operation below above-mentioned steps A specifically carries out: terminal, calling number place is passed through mobile switching centre and is given attaching position register with the described request forwards, and said attaching position register is transmitted to the service control point at professional place again.
After the above-mentioned steps A, also comprise the process that service control point is inquired about called number and dialing number information and applied for the air time sheet to Online Charging System before the above-mentioned steps B.
Above-mentioned query script is specifically through roaming position and the roaming number of service control point to attaching position register inquiry called number and calling number; And after issuing initial call attempt message and request report BCSM event message according to the roaming number of called number and calling number, the initial message that sends credit control request to Online Charging System inquires about called number and dialing number information is realized.
Above-mentioned steps B also is included in to call out and judges calling number before the calling number whether in the white list of called number, as if in white list, then calling out calling number, and the process of continue said called number and calling number; If calling number is not in said white list, said step B comprises also whether the inquiry called number allows for calling number and pay, and is obtaining calling out calling number after called number is agreed, and the process of continue said called number and calling number.
Whether above-mentioned inquiry called number allows for process that calling number pays specifically is linked to message related to resources through sending down service and collects the digits message to called number with playback, and called number transmits a reply message to be realized.
Above-mentioned steps B specifically issues Apply Charging message through service control point and connect message is called out called number; After called number is replied and is reported the BCSM incident; Service control point issues Apply Charging message again and connection message is called out calling number, and continue said called number and calling number realize;
Above-mentioned steps D specifically notifies the Online Charging System end of calling through the end of sending down service credit control request; According to the charging setting in the credit control request; Deduction caller expense and called expense realize that said charging setting comprises the charging ratio of caller expense in the called number account.
A kind of freephone system based on OCS; Comprise service control point and Online Charging System, it is characterized in that said service control point is used for sending the unstructured supplementary data traffic request message according to terminal, calling number place; Call out called number earlier; Call out calling number again, and continue said called number and calling number, comprise called number in the described request message; Said Online Charging System is used for when calling number and called number end of conversation, is provided with according to chargeing and from the account of called number, deducts functional expenses.
The present invention's beneficial effect compared with prior art is:
(1) the present invention triggers freephone through sending a unstructured supplementary data traffic request message; Call out called number and calling number respectively; Thereby and the conversation of continue the two realization calling number and called number; Because talk business accomplished by the connection of two call flows, (Interactive Voice Response: interactive voice answering) the freephone expense that triggers of mode is low than existing IVR;
(2) the present invention is in communication process, carries out information interaction through credit control request and Credit Control Answer and Online Charging System, can realize the real-time monitoring to calling charge;
(3) behind the end of conversation of the present invention, in called subscriber's account, deduct the fee, realized real-time freephone function;
(4) the present invention can carry out the setting of caller expense charging ratio in charging is provided with, thereby realizes billing scheme flexibly;
(5) the present invention has embodied the diversity and the flexibility of value-added service for the user who orders freephone provides bigger selection space.
Description of drawings
Fig. 1 is the another kind of execution mode structure chart of system of the present invention;
Fig. 2 is the another kind of execution mode flow chart of the inventive method.
Embodiment
Combine accompanying drawing that the present invention is explained further details with embodiment below.
A kind of freephone system of the present invention based on OCS; Be to adopt USSD (Unstructured Supplementary Service Data: the freephone system that inserts of mode unstructured supplementary data traffic); This system has merged the quick access way of USSD and the function of calling realizes, is a kind of freephone system of novelty.
System of the present invention, service control point) and OCS its a kind of execution mode comprises SCP (Service Control Point:; SCP is used for sending the USSD request message according to terminal, calling number place; Call out called number earlier, call out calling number again, and continue called number and calling number; When calling number and called number end of conversation, comprise called number in this request message; OCS is used for deducting functional expenses according to the setting of chargeing from the account of called number.
The another kind of execution mode of system of the present invention; As shown in Figure 1; Comprise MSC, SSP, HLR (Home Location Register: attaching position register), STP (Signaling Transfer Point: Signalling Transfer Point), signal interface unit), SCP and OCS SIU (Signal Interface Unit:.Wherein, SSP is used for the startup call attempt to called number; And control the called flow of calling number and called number respectively, be responsible for connecting the speech channel between two called flows, be responsible for and SCP between CAP (CAMEL Application Protocol:CAMEL application procedures) Signalling exchange.STP plays the function of a router on the network architecture, is exactly that each node all compiles at this, through the data configuration on the STP, finds the path of each node to next node then.
MSC is used for terminal, calling number place and through MSC calling number is belonged to the called service request message of sending at the terminal and be transmitted to HLR; HLR is used for this request message is transmitted to the SIU/SCP at professional place.SCP is used for getting access to calling number through the USSD request message is analyzed, and then the USSD request message is analyzed; Obtain USSD identification code and called number; Through database manipulation, inquire about the setting of called number again, whether allowing called number is that calling number is paid; If do not allow, then to calling number return discharge after the USSD message professional.SCP also is used for to OCS inquiry called number and dialing number information and applies for the air time sheet.
SCP also is used for roaming position and the roaming number to HLR inquiry called number and calling number; And issue ICA (Initiate Call Attempt: initial call attempt) message and RRBE (Request Report BCSM Event: request report BCSM incident according to the roaming number of called number and calling number; BCSM:Basic Call State Model Basic Call State Model BCSM) after the message, (Credit Control Request: credit control request) INITIAL (initialization) message is inquired about called number and dialing number information to send CCR to OCS.
SCP also is used to issue AC, and (Apply Charging: Apply Charging) message and CONTINUE (continuing) message is called out called number; After called number is replied ERB (Event Report BCSM: report the BCSM incident); SCP also is used to issue AC message and calls out calling number with CONNECT (connection) message, and continue called number and calling number.
OCS is used for (the Credit Control Request: credit control request) behind FINAL (end) the message informing end of calling at sending down service CCR; According to the charging setting among the CCR; Deduction caller expense and called expense realize in the called number account, charge the charging ratio that comprises the caller expense is set.
A kind of freephone implementation method based on OCS of the present invention, its a kind of embodiment comprises the process that adopts the unstructured supplementary data traffic mode to trigger called service.
This process may further comprise the steps:
Steps A. the USSD request message is sent to SCP in terminal, calling number place, comprises called number in this request message;
Step B.SCP calls out called number earlier based on the request message of steps A, calls out calling number again, and continue called number and calling number;
Step C. calling number and called number conversation;
Step D. end of conversation, setting is deducted functional expenses from the account of called number according to chargeing.
Also further comprise the USSD identification code in the request message, step B also comprises the process of request message being discerned according to the USSD identification code in the request message.
Operation below the concrete execution of steps A: terminal, calling number place is transmitted to HLR through MSC with request message, and HLR is transmitted to the professional SIU/SCP that belongs to again.
SCP gets access to calling number through the USSD request message is analyzed, and then the USSD request message is analyzed; Obtain USSD identification code and called number; Through database manipulation, inquire about the setting of called number again, whether allowing called number is that calling number is paid; If do not allow, then to calling number return discharge after the USSD message professional.
Comprise also after the steps A, before the step B that SCP is to OCS inquiry called number and the dialing number information and the process of applying for the air time sheet.
This query script is specifically through roaming position and the roaming number of SCP to HLR inquiry called number and calling number; And after issuing ICA message and RRBE message according to the roaming number of called number and calling number, send to OCS that CCR INITIAL message is inquired about called number and dialing number information is realized.
Step B also is included in to call out and judges calling number before the calling number whether in the white list of called number, as if in white list, then calling out calling number, and the process of continue said called number and calling number; If calling number is not in white list, step B comprises also whether the inquiry called number allows for calling number and pay, and is obtaining calling out calling number after called number is agreed, and the process of continue called number and calling number.
Whether the inquiry called number allows for the process of calling number paying and specifically gives called number through sending down service CTR (Connect To Resource: be linked to resource) message and P&C (Prompt And CollectUser Information: playback collects the digits) message, and called number transmits a reply message to be realized.
Step B specifically issues AC message through SCP and CONTINUE message is called out called number, and after called number was replied ERB, SCP issues AC message again and CONNECT message is called out calling number, and continue called number and calling number realize.
Step D is specifically through sending down service CCR FINAL message informing OCS end of calling, and according to the charging setting among the CCR, deduction caller expense and called expense realize in the called number account, and chargeing is provided with the charging ratio that comprises the caller expense.
The another kind of execution mode of the inventive method, as shown in Figure 2, its flow process may further comprise the steps:
Step 201, user A are through sending out USSD message (for example: * 031*XXXXXXXXXX#, XXXXXXXXXX are the number of user B), and user B is a called number, the used phone number of user A be calling number (for example: number A); The USSD message content is given freephone via MSC, HLR, SIU, SCP; Business is resolved USSDARG message, obtains USSD message content and calling number, and the USSD content is resolved; Obtain called number and USSD identification code; And through the USSD identification code, in database, mate, learn that this triggering is the function of a freephone; After getting access to numbers of calling and called parties, the professional ATI message of sending is to HLR, and the roaming position of inquiry numbers of calling and called parties sends the roaming number of SRI information query numbers of calling and called parties;
Step 202, the information such as numbers of calling and called parties and roaming position of passing through; Whether inquiry following information: judges A is in the blacklist of user B in the database; Be whether user A is the user that cannot carry out freephone to user B, not in blacklist transfer step 203; Otherwise change step 120;
Step 203, further in database, inquire about: whether judges B does not allow own is Freephone under roaming state, allows then to change step 204; Do not allow then to change step 220;
Step 204, further in database, inquire about: whether judges B does not allow the calling subscriber under roaming state, to be its paying, allows then to change step 205; Do not allow then to change step 220;
Step 205, further in database, inquire about: whether judges B is reached for the maximum that all users or user A set and answers number of times, changes step 206 if reach; Change step 220 if reached;
Step 206, further in database, inquire about: whether judges A has reached unaccepted maximum times, if do not reach, changes step 207; Having reached changes step 220;
Step 207, what in database, find is normal condition; A, party B-subscriber are sent out CCRINITIAL message respectively, to OCS application sheet call time, if user B is the prepaid user; To send CCR and fall OCS and charge, and notify the charging ratio of this conversation of user B;
Step 208, the remaining sum of checking A, party B-subscriber and state, whether the remaining sum of judges B has been less than 1 minute cost of the phone call, if more than 1 minute, changes step 209; Otherwise change step 220;
Step 209, calling and called User Status are normal, sending down service ICA, RRBE, AC, CONTINUE message call user B, and behind the user B off-hook, whether then professional judges A is the white list of user B, if white list changes step 210; If not white list, change step 212;
Step 210, directly issue RRBE, AC, CONNECT calling party A;
Whether step 211, judges A do not reply, other reasons causes failure or busy tone, if otherwise change step 212; If change step 219;
Step 212, to user B playback inquiry " A number wants you to Pay on his/herbehalf, Press 1 for Accept, 2 for Decline ";
Whether step 213, judges B by 1, if user party B-subscriber is by 2 then change step 218; If the user is by 1 then change step 214;
Step 214, sending down service RRBE, AC, CONNECT call out the A number, and connect user A and user B, and behind the user A off-hook, then user A and user B converse;
Step 215, judge whether air time or expense transfinite, change step 216 if transfinite; If transfinite then end of conversation, flow process finishes;
Step 216, user A and user B proceed conversation, if after the timeslice of CCR INITIAL application used up, business can be sent CCRUPDATE continuation application timeslice;
After step 217, the arbitrary side's on-hook of both call sides, the professional CCR FINAL that sends deducts on the account of user B according to the charging ratio for the caller expense of user A to this calling charge of OCS clearing, and the called expense of user B is deducted on the account of user B; Whole freephone flow process finishes;
Step 218, then professional to behind the user A USSD string of transmission " Call can not initiated " business being discharged, flow process finishes;
Step 219, issue circular: user B is just busy, examination more after a while, and flow process finishes;
Step 220, the professional user A of giving after sending a USSD string " Call can not initiated " discharge business, and flow process finishes.
Above-mentioned embodiment has realized that the USSD mode inserts, the real time billing of OCS mode, has been the freephone function of Freephone in proportion.Business by this invention realization; Can make the convenient access of user, reduce user's cost of the phone call, and the prompt facility of USSD and language is arranged; Make the user use freephone easily, demonstrated fully value-added service diversity, flexibility, be close to the users, advantage such as business customizing.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.

Claims (9)

1. the freephone implementation method based on OCS is characterized in that, comprises the process that adopts the unstructured supplementary data traffic mode to trigger called service, and said process may further comprise the steps:
Steps A. the unstructured supplementary data traffic request message is sent to service control point in terminal, calling number place, comprises called number and unstructured supplementary data traffic identification code in the described request message;
Step B. service control point is called out called number earlier based on the request message of steps A, calls out calling number again, and continue said called number and calling number; And request message is discerned according to the unstructured supplementary data traffic identification code in the request message;
Step C. calling number and called number conversation;
Step D. end of conversation, setting is deducted functional expenses from the account of called number according to chargeing.
2. method according to claim 1; It is characterized in that; Operation below said steps A is specifically carried out: terminal, calling number place is passed through mobile switching centre and is given attaching position register with the described request forwards, and said attaching position register is transmitted to the service control point at professional place again.
3. method according to claim 1 is characterized in that, after the said steps A, also comprises the process that service control point is inquired about called number and dialing number information and applied for the air time sheet to Online Charging System before the said step B.
4. method according to claim 3; It is characterized in that; Said query script is specifically through roaming position and the roaming number of service control point to attaching position register inquiry called number and calling number; And after issuing initial call attempt message and request report BCSM event message according to the roaming number of called number and calling number, the initial message that sends credit control request to Online Charging System inquires about called number and dialing number information is realized.
5. method according to claim 1; It is characterized in that; Said step B also is included in to call out and judges calling number before the calling number whether in the white list of called number, as if in white list, then calling out calling number, and the process of continue said called number and calling number; If calling number is not in said white list, said step B comprises also whether the inquiry called number allows for calling number and pay, and is obtaining calling out calling number after called number is agreed, and the process of continue said called number and calling number.
6. method according to claim 5; It is characterized in that; Whether said inquiry called number allows for process that calling number pays specifically is linked to message related to resources through sending down service and collects the digits message to called number with playback, and called number transmits a reply message to be realized.
7. according to the arbitrary described method of claim 1 to 6; It is characterized in that; Said step B specifically issues Apply Charging message through service control point and connect message is called out called number; After called number was replied and reported the BCSM incident, service control point issued Apply Charging message again and connection message is called out calling number, and continue said called number and calling number realize.
8. according to the arbitrary described method of claim 1 to 6; It is characterized in that; Said step D specifically notifies the Online Charging System end of calling through the end of sending down service credit control request; According to the charging setting in the credit control request, deduction caller expense and called expense realize that said charging setting comprises the charging ratio of caller expense in the called number account.
9. freephone system based on OCS; Comprise service control point and Online Charging System; It is characterized in that said service control point is used for sending the unstructured supplementary data traffic request message according to terminal, calling number place, calls out called number earlier; Call out calling number again; And continue said called number and calling number, comprising called number and unstructured supplementary data traffic identification code in the described request message, said service control point also is used for according to the unstructured supplementary data traffic identification code of request message request message being discerned; Said Online Charging System is used for when calling number and called number end of conversation, is provided with according to chargeing and from the account of called number, deducts functional expenses.
CN2009101087073A 2009-07-08 2009-07-08 OCS-based implementation method of free phone service and system thereof Active CN101610489B (en)

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CN102413444B (en) * 2011-11-24 2018-09-28 中兴通讯股份有限公司 Method of calling and device
CN102711071B (en) * 2012-04-20 2014-11-05 华为软件技术有限公司 Method and system for announcing called party rate in individual called payment service
CN104125078B (en) * 2013-04-24 2017-11-24 华为技术有限公司 Cloud computing service entrusts the method and server of charging
CN103826214B (en) * 2014-03-04 2017-07-14 中国联合网络通信集团有限公司 Intelligent fee counting method and server

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