CN100550958C - At method and the device thereof of fixed net intelligent terminal realization to value-added service charging - Google Patents
At method and the device thereof of fixed net intelligent terminal realization to value-added service charging Download PDFInfo
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- CN100550958C CN100550958C CNB2004100706815A CN200410070681A CN100550958C CN 100550958 C CN100550958 C CN 100550958C CN B2004100706815 A CNB2004100706815 A CN B2004100706815A CN 200410070681 A CN200410070681 A CN 200410070681A CN 100550958 C CN100550958 C CN 100550958C
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Abstract
The present invention discloses and a kind ofly realizes the method for value-added service charging and the intelligent terminal of employing at fixed net intelligent terminal, the value-added service rate that in intelligent terminal, prestores earlier, and charge into the fund of prestoring; After the user selected value-added service, whether enough intelligent terminal judged the fund that prestores payment according to the expense of a timing unit of this business rate calculating, if it is enough, expense with the timing unit of fund deduction that prestores starts this value-added service, otherwise stops this value-added service; When value-added service was used, timing unit of the every mistake of intelligent terminal judged whether the remaining sum of the described fund that prestores enough pays the expense of a timing unit, if enough, deduct fees and keep business, otherwise intelligent terminal stops this value-added service.The present invention also can further transfer to the amount of money on the intelligent network platform account the intelligent terminal from intelligent network platform.Charging method of the present invention is easy to realize, makes intelligent terminal upgrade to an open value-added service platform.
Description
Technical field
The present invention relates to the charging method and the device of communication field value-added service, relate in particular at the charging method and the corresponding fixed network terminal device of fixed network terminal to value-added service.
Background technology
The PSTN terminal overwhelming majority of China is an analog telephone at present, its major defect is that the analog voice business can only be provided, the ability of the digital service of not carrying complexity, the charging means of flexibility and reliability also can't be provided, thereby influenced the fixed network operator for the carrying out of various value-added services, can not satisfy growing social demand.
At present, based on the value-added service of analog telephone terminal comprise mainly that number carries, calling card service, MASS calling etc.The exploitation of above-mentioned value-added service depends on the function that the fixed network intelligent platform can be realized, it mostly is to finish by corresponding analog telephone operation that the user uses the mode of these value-added services, the charging means are more single, it all is voice suggestion according to the network platform, on the analog telephone keyboard, import corresponding business data (as card number, password and the called number etc. of calling card service) by the user, in the associated databases of network terminal, finish the calculating and the record operations such as (deductions) of expense by the network platform according to user's input information.
The pattern of this value-added service, the analog telephone terminal of user side has only been played the part of the role of information input equipment, and itself does not possess any billing function, and billing operation is realized by the network platform fully.But under this charge mode, the realization of intelligent platform system metering data does not catch up with the demand of new value_added service development.The intelligent platform charging point is located at SSP, determines charging category by the charging matrix that is located among the SCP, is carried out real time billing and is generated charging bill by SSP.But be subjected to the restriction of charging matrix design, be difficult to guarantee integrality and diversity support, influence the further popularization and the use of value-added service the whole network service billing.
In addition, the capacity of recorded announcement and making are very limited under this pattern.The DIAM resource is at full stretch, speech ciphering equipment is integrated among the SSP that disperses to set up, change the content of a recording, just need to revise one time the SSP that is had jurisdiction over is touring, this is difficult to meet the demands concerning some are applied to intelligent network business local network and that need personalized speech to teach; Also exist simultaneously problems such as the how unified planning of DIAM resource, management and inadequate resources, voice resource is quite limited.
Based on powerful storage and disposal ability and rich and varied data transfer means, fixed net intelligent terminal has the ability of the complicated digital service of carrying, and the communication mode of value-added service exploitation flexibly and multimedia formula can be provided to the user.When but providing value-added service, must consideration how to realize charge to value-added service.According to the charging way of original pseudo-terminal value-added service, pay various expenses in the time of can using value-added service to the user and bring inconvenience, also be unfavorable for the popularization and the use of value-added service.If can in intelligent terminal, realize billing function, just can change that the PSTN terminal can only be as the situation of access device in the past, make fixed net intelligent terminal possess the charging means of flexibility and reliability, upgrade to an open multiple value-added service platform, also bring new profit growth point for the fixed network operator.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of in the method for fixed net intelligent terminal realization to value-added service charging.The present invention also will provide a kind of fixed net intelligent terminal of realizing this method.
In order to solve the problems of the technologies described above, to the invention provides and a kind ofly realize may further comprise the steps method to value-added service charging at fixed net intelligent terminal:
(a) in the intelligent terminal value-added service rate that prestores, set up user's capital account at intelligent network platform;
(b) user is behind described intelligent terminal input account information, and intelligent terminal sends charging request to described intelligent network platform, carries described account information;
(c) described intelligent network platform authenticates the charging request of sending, the authentication by after the amount of money on the described account is sent to described intelligent terminal;
(d) described intelligent terminal increases the local fund that prestores according to the amount of money on the described account who receives, and returns and confirm to reply;
(e) after described intelligent network platform is received and is confirmed to reply, with the disposable deletion of the amount of money among the described account;
(f) user selects value-added service by described intelligent terminal;
(g) described intelligent terminal calculates the expense of a timing unit according to the rate of this value-added service, judge the described whether enough payment of fund that prestores, if enough, with the expense of the described timing unit of fund deduction that prestores, start this value-added service, otherwise stop this value-added service;
(h) in this value-added service use, timing unit of the every mistake of described intelligent terminal judges whether the remaining sum of the described fund that prestores enough pays the expense of a timing unit, if enough, deduct fees and keeps professional, otherwise stop this value-added service.
Further, said method can have following characteristics: the described deposits funds that prestores is in the value stored type subscriber card that has CPU that can separate with the main frame of described intelligent terminal, this subscriber card and the main frame of described intelligent terminal carry out when chargeing relevant communication at every turn, and all the validity to the other side once authenticates.
Further, said method can have following characteristics: described user's capital account is adopted as the capital account that charging telephone card is set up.
Further, said method can have following characteristics: in the described step (g), intelligent terminal host is read the fund of prestoring of described subscriber card earlier and is temporary, and the expense that will keep in the amount of money and a described timing unit again compares, and judges whether enough payments; After the amount of money of deducting fees that subscriber card is sent according to intelligent terminal host is at every turn finished and is deducted fees, the described intelligent terminal host of balance notification after all will upgrading, this intelligent terminal host is upgraded the described temporary amount of money again, is used for judging next time.
Further, said method can have following characteristics: described intelligent terminal after receiving the renewal that described subscriber card is sent during remaining sum, check earlier the former temporary amount of money and this renewal afterwards the difference of remaining sum whether equal the described amount of money of deducting fees, if, upgrade the temporary amount of money again, otherwise end call.
The provided by the invention realization comprises system management tasks module, encryption and decryption and authentication module and deposits funds module to the fixed net intelligent terminal of value-added service charging, be characterized in, also comprise value-added service processing module, rate memory module and accounting module, wherein:
Described system management tasks module is used for management, maintenance system resource, by the communication of Network Interface Module realization with network side, and manages, controls the other system module;
Described encryption and decryption and authentication module are used for respectively sending to the information additional authentication data and the encryption of subscriber card and network side, and the data that receive from subscriber card and intelligent network platform are decrypted and authenticate, and the return authentication result;
Described value-added service processing module is used to finish the value-added service data processing;
Described rate memory module is used to store the rate information of value-added service, and by the maintenance update with communicating by letter of network side of described system management tasks module;
Described deposits funds module, the intelligent terminal that is used to prestore uses the required electronic funds of value-added service, this deposits funds module is the intelligent subscriber card of a band CPU, receive authentication that intelligent terminal host sends, deduct fees, block the internal information reading command by interface, finish corresponding operating and return response;
Described accounting module is used for according to described rate information, and when the user used value-added service by intelligent terminal, the required expense of deduction from described deposits funds module stopped professional when Sorry, your ticket has not enough value.
Further, above-mentioned fixed net intelligent terminal can have following characteristics: described accounting module further comprises charging control unit, remaining sum judging unit, interface control unit, wherein:
Described charging control unit, be used for starting or stoping charging according to the instruction of system management tasks module, and control described remaining sum judging unit and interface control unit, and receive that Sorry, your ticket has not enough value or during the notice of authentification failure, stop to charge and reporting system management role module stops professional;
Described remaining sum judging unit, be used for rate information according to value-added service, before business begins and after a timing unit end, judge whether the remaining sum of described subscriber card enough pays required expense of timing unit of value-added service, notify described charging control unit when not enough;
Described interface control unit is used for sending deduct fees data and authentication, remaining sum reading command by the subscriber card interface to subscriber card, and receives the response data of subscriber card.
Further, above-mentioned fixed net intelligent terminal can have following characteristics: also comprise and supplement module with money, be used for the account information of user's input is organized into charging request, encrypting the back sends to intelligent platform, after receiving the recharge amount that returns, verified, verified errorless then supplementing with money to described deposits funds module.
As from the foregoing, the present invention has realized the billing function to value-added service in intelligent terminal, and having changed in the past, the PSTN terminal can only make intelligent terminal upgrade to an open value-added service platform as the situation of access device.This distributed charging way is easy to realization than the charging way of centralized management, and is little to the transformation of intelligent network platform, and has greater flexibility, helps carrying out of value-added service.Further, can improve the fail safe and the reliability of charging by two-way authentication.
Description of drawings
Fig. 1 is the structural representation of embodiment of the invention system.
Fig. 2 is the functional block diagram of embodiment of the invention intelligent terminal.
Fig. 3 is the flow chart of deducting fees of embodiment of the invention method.
Embodiment
The structure of present embodiment system as shown in Figure 1, intelligent terminal is connected to the end office (EO) of PSTN net, this end office (EO) is connected to Service Switching Point, SSP then is connected to Service Control Point by No.7 nation-wide Network.This structure is same as the prior art, only need upgrade to be implemented in the function of intelligent terminal to value-added service charging to each equipment.
The functional block diagram of present embodiment intelligent terminal as shown in Figure 2, wherein intelligent terminal is made up of host machine part and subscriber card.
Host machine part mainly comprises system management tasks module, human-machine interface module, network side interface module, conversation control module, value-added service processing module, accounting module, rate memory module, supplements module, encryption and decryption and authentication module and subscriber card interface with money.Compare with conventional online formula intelligent public phone, rate memory module wherein, to supplement module, accounting module and value-added service processing module with money be newly-increased module.Wherein:
The system management tasks module is used for management, maintenance system resource, by the communication of Network Interface Module realization with network side, and manages, controls the other system module;
Human-machine interface module is used to safeguard the man-machine interface interface, receives user's keyboard input information, to user's display reminding information;
The conversation control module is used to control the switching of telephone line;
The value-added service processing module is used to finish the value-added service data processing;
Network Interface Module is used for finishing the information interaction with network side under the control of system management tasks module;
The rate memory module is used to store the rate information of value-added service, can pass through the maintenance update with communicating by letter of network side of system management tasks module;
Accounting module comprises charging control unit, remaining sum judging unit, interface control unit again, wherein:
The charging control unit, be used for starting or stoping charging according to the instruction of system management module, and control remaining sum judging unit, interface control unit and encryption and decryption and authentication module work, when receiving the notice that Sorry, your ticket has not enough value or authentication is not passed through, stop to charge and reporting system management role module termination business;
The remaining sum judging unit is used for the rate information according to value-added service, judges whether the remaining sum of subscriber card enough pays required expense of timing unit of value-added service before business begins and after a timing unit end, notice charging control unit when not enough;
Interface control unit is used for sending deduct fees data and authentication, remaining sum reading command by the subscriber card interface to subscriber card, and receives the response data of subscriber card.
Encryption and decryption and authentication module, be used at charging control unit and supplementing with money under the control of module, to sending to the information additional authentication data and the encryption of subscriber card and network side, the data from subscriber card and intelligent network platform reception are decrypted and authenticate respectively, and the return authentication result;
Supplement module with money, be used for the account information of user input is organized into charging request, encrypt the back and send, after receiving the recharge amount that returns, verified, verify and supplement with money to subscriber card by the subscriber card interface after errorless to intelligent platform;
The subscriber card interface is used at the charging control unit or supplements with money and finish under the control of module and the communicating by letter of subscriber card.
But the subscriber card of present embodiment is the contact intelligent card that has CPU of a Stored Value, ISO 7816 interfaces by standard are communicated by letter with intelligent terminal, required electronic funds and preserve the user's communication recorded information when intelligent terminal that is used to prestore uses value-added service, receive authentication that the subscriber card interface sends, charge, supplement with money, block instructions such as internal information reads, finish corresponding operating and return response.
In the present embodiment, SSP may command IP device (ip intelligent peripherals) wherein sends Voice Navigation information to the user, especially, in order to distinguish mutually with the use of common rechargeable card, voice suggestion in the IP device need increase content corresponding, for example afterwards, increase the prompting of " domestic consumer please select 1, and the intelligent terminal user please select 2 " " woulding you please select the kind of language ".In addition, when terminal was supplemented with money, SSP also need control IP device and send dtmf signal to terminal, carries data message.
Comprise CCF module (SCF) and service data function module (SDF) among the SCP.
The receiving unit of SCF needs the corresponding modify service logic part, and for example after the prompting that increases " domestic consumer please select 1, and the intelligent terminal user please select 2 ", SCF can receive and handle selecting " 2 " data afterwards.The data of SDF loopback can be sent to SSP with specific form and send part.
SDF is except that being responsible for original function to the rechargeable card authentication, and also needing increases functions such as key dispersion, data encrypting and deciphering, consistency check, and these functions can realize in database.Secondly, establish user's capital account in the database, present embodiment is the account of charging telephone card, the interface of its charging receive intelligent terminal should disposable removing account number after finishing the affirmation information of supplementing operation with money in remaining sum.
The realization of present embodiment method is divided into two links: supplement link with money and the link of deducting fees.
Supplement with money
Existing public telephone system can stick into row to account number and supplement with money, and the corresponding amount of money is to be stored in the intelligent network platform, but the function of supplementing with money to the value stored type phonecard is not provided.The recharge method of present embodiment be by a kind of widely used charging telephone card business (as 200,300 or telephone for special use card etc.), the amount of money in the charging telephone card is transferred to from intelligent network platform in the subscriber card of intelligent terminal.
The process of supplementing with money may further comprise the steps, and asks the networking structure of while with reference to Fig. 1.
Step 100 is inserted intelligent terminal host with subscriber card;
Step 110, the user dials Number for access in information such as intelligent terminal input charging telephone card Number for access, card number, passwords automatically by intelligent terminal;
Step 120, SSP is by the identification Number for access, and triggering intelligent network service is sent to SCP with Number for access by No.7 nation-wide Network when keeping the intelligent terminal circuit;
Step 130, the CCF module among the SCP is handled Number for access, sends recorded announcement number by signalling system No.7 to SSP;
Step 140, SSP selects recording file according to recorded announcement number control IP, and sends voice suggestion to intelligent terminal;
Step 150, intelligent terminal becomes charging request with information such as passwords according to following format organization with the card number that the user inputs in advance, is sent to SSP with DTMF information;
| Product ID | FLAG | Card number | Password | Buy the ground code | Random number | ?MAC |
Wherein, it is charging request that FLAG is used to identify current data, and product ID is used for the distributed key for SCP, buys the consistency that the ground code is used for the comparison rechargeable card, and random number is used to prevent replay attack, and MAC is used for the data integrity protection; FLAG, card number, password, purchase ground code and random number are supplemented secret key encryption with money with intelligent terminal;
Step 160, SSP sends to SCP by signalling system No.7 with formative intelligent terminal data;
Step 170, SCP disperses to supplement with money master key with product ID, supplements secret key decryption FLAG, card number, password, purchase ground code and random number with money with the intelligent terminal that obtains, and changes the charging request handling process over to according to FLAG;
Step 180, whether SCP supplements key verification MAC with money with intelligent terminal correct, whether the intelligent terminal is bought the ground code consistent with the rechargeable card card number, whether effective at SDF data base querying card number and password, if card number and password useless, SCP takes out stitches by signalling system No.7 notice SSP, if card number and password are effective, SCP confirms that according to following format organization data send to SSP:
| FLAG | Recharge amount | Random number | MAC |
Wherein, FLAG sign current data is for confirming data, and FLAG, recharge amount and random number are all supplemented secret key encryption with money with intelligent terminal and handled, the random number when random number is intelligent terminal transmission charging request;
Step 190, SSP control IP device will confirm that with dtmf signal data send to intelligent terminal;
Step 200, intelligent terminal is confirmed data with supplementing secret key decryption with money, whether checking MAC, random number be consistent, if consistent, according to confirming that recharge amount in the data increases the remaining sum in the subscriber card;
Step 210, intelligent terminal send to SCP with the dtmf signal form to be confirmed to reply, and comprises following information;
| Product ID | FLAG | Card number | Password | Buy the ground code | MAC |
Wherein, FLAG sign current data is replied for confirming; FLAG, card number, password, purchase ground code are through encryption;
Step 220, SCP carries out operations such as deciphering, MAC verification, consistency check after receiving and confirming to reply, with the corresponding disposable deletion of the rechargeable card amount of money among the SDF;
Step 230, the intelligent terminal on-hook shows information such as " successful recharging " and corresponding remaining sum to the user, SSP takes out stitches.
The process of more than supplementing with money only needs the user to input card number password etc., and subsequent operation is finished automatically by intelligent terminal.In addition, carried out online two-way authentication, improved the reliability of operation at intelligent terminal and intelligent network platform.
Deduct fees
Supplement with money after the link end, the amount of money of supplementing with money in the used phonecard is transferred to intelligent terminal one side from SDF one side of intelligent network platform, and is kept in the subscriber card of intelligent terminal.The present embodiment function that link realized of deducting fees is: carry out two-way authentication between intelligent terminal host and subscriber card, according to the kind of the employed value-added service of user and the amount of money in the time deduction subscriber card.
Authentication in the flow process of deducting fees comprises two aspects: the two-way authentication of intelligent terminal host and subscriber card in initial phase and the communication process.The principle of deducting fees is to detain afterwards earlier to use.Be that example describes with " video call " business below, its initial phase may further comprise the steps:
Step 310, the user selects " video call " business, the input called number;
Step 320, intelligent terminal host is sent initialization (INITIALIZE) order to subscriber card, and wherein order data territory content is empty;
Step 330, subscriber card produces random number RA ND1, returns the INITIALIZE command response, and wherein command response data field content is RAND1;
Step 340, intelligent terminal host receives RAND1, disperses authenticate key to obtain session key with RAND1, produce RAND2, with the signature MAC1 of session-key computation RAND2, send the AUTHEN-I order to subscriber card, wherein order data territory content is RAND2 and MAC1;
Step 350, subscriber card produces session key with RAND1, and whether the signature MAC1 of checking RAND2 is effective, and if invalid, subscriber card returns the AUTHEN-I command response, and state is " signature is wrong "; If effectively, subscriber card produces session key with RAND2, the signature MAC2 with remaining sum in the session-key computation card returns the AUTHEN-I command response to intelligent terminal host, and state is " signature is correct ", and command response data field content is remaining sum and MAC2;
Step 360, intelligent terminal host receives remaining sum and MAC2, produces session key with RAND2, and with the signature of session-key computation remaining sum, whether MAC2 is effective in checking, if invalid, intelligent terminal host stops user's conversation, shows " subscriber card is invalid " to the user; If effectively, preserving this remaining sum is current remaining sum, carry out the following flow process of deducting fees;
Carried out the two-way authentication of intelligent terminal host and subscriber card in the above-mentioned initial phase, and intelligent terminal host has obtained balance amount information in the card.
As shown in Figure 2, intelligent terminal may further comprise the steps the flow process of deducting fees of value-added service:
Correctly whether the remaining sum before step 470, intelligent terminal host inspection are this time deducted fees and the difference of current remaining sum (amount of money of promptly deducting fees), if incorrect, intelligent terminal host stops user's telephone operation, and by display notification user " subscriber card is invalid "; If correct, carry out next step;
It is current remaining sum that step 490, intelligent terminal host are preserved this remaining sum, connects or keeps calling out, and allows timing unit of user's communication, monitors in a timing unit whether on-hook of user, if carry out next step; Otherwise, after a timing unit finishes, return step 400, note the parameters for authentication of generation at this moment and the first time deducting fees different;
In sum, the present invention has realized the billing function to value-added service in intelligent terminal, and having changed in the past, the PSTN terminal can only make intelligent terminal upgrade to an open value-added service platform as the situation of access device.This distributed charging way is easy to realization than the charging way of centralized management, and is little to the transformation of intelligent network platform, and has greater flexibility, helps carrying out of value-added service.
In addition, because the present invention uses a kind of widely used, popular calling card service that intelligent terminal is supplemented with money, that is to say, although intelligent terminal can provide the charging ability of multiple value-added service, for these different value-added services, the mode of supplementing with money all is the same, finish in intelligent terminal this locality and deduct fees, therefore, intelligent network platform does not need to make different charging Voice Navigation information according to different value-added services, has saved voice resource.
When in the public affairs words, using IC-card at present, only carry out unilateral authentication, promptly by the terminal authentication IC-card, and IC-card does not authenticate terminal, and adopted mutual authentication process between the subscriber card of the embodiment of the invention and intelligent terminal host, intelligent terminal and intelligent network platform have also carried out online two-way authentication when supplementing with money, have improved fail safe.But the present invention is not limited to the authentication mode among the embodiment, can adopt any one stalwartness authentication protocol.
The present invention can also have multiple mapping mode, just supplements link with money, and the realization means that provide among the embodiment are safe and reliable and are easy to realize.But do not get rid of and use bank (perhaps operator business hall) and supplement with money and wait other to supplement means with money.
In addition, for the intelligent terminal of special use, also can not use subscriber card, and directly solidify a deposits funds module in intelligent terminal, method that equally can Application Example is deducted fees and is supplemented with money.At this moment do not need subscriber card interface, interface control unit relevant with subscriber card among Fig. 2, encryption and decryption and authentication also only need to carry out the mutual of information with network side.In fact, the subscriber card relatively independent physically with intelligent terminal host also is the deposits funds module of intelligent terminal, just also has more function such as recording call content.
In addition, the rate of value-added service also can be stored in the subscriber card, notifies intelligent terminal host by subscriber card with this rate in initialization procedure, adopts during for the intelligent terminal host computational costs.
Claims (10)
1, a kind of in the method for fixed net intelligent terminal realization to value-added service charging, may further comprise the steps:
(a) in the intelligent terminal value-added service rate that prestores, set up user's capital account at intelligent network platform;
(b) user is behind described intelligent terminal input account information, and intelligent terminal sends charging request to described intelligent network platform, carries described account information;
(c) described intelligent network platform authenticates the charging request of sending, the authentication by after the amount of money on the described account is sent to described intelligent terminal;
(d) described intelligent terminal increases the local fund that prestores according to the amount of money on the described account who receives, and returns and confirm to reply;
(e) after described intelligent network platform is received and is confirmed to reply, with the disposable deletion of the amount of money among the described account;
(f) user selects value-added service by described intelligent terminal;
(g) described intelligent terminal calculates the expense of a timing unit according to the rate of this value-added service, judge the described whether enough payment of fund that prestores, if enough, with the expense of the described timing unit of fund deduction that prestores, start this value-added service, otherwise stop this value-added service;
(h) in this value-added service use, timing unit of the every mistake of described intelligent terminal judges whether the remaining sum of the described fund that prestores enough pays the expense of a timing unit, if enough, deduct fees and keeps professional, otherwise stop this value-added service.
2, the method for claim 1, it is characterized in that, the described deposits funds that prestores is in the value stored type subscriber card that has CPU that can separate with described intelligent terminal host, this subscriber card and the main frame of described intelligent terminal carry out when chargeing relevant communication at every turn, and all the validity to the other side once authenticates.
3, the method for claim 1 is characterized in that, the capital account that described user's capital account adopts charging telephone card to set up.
4, method as claimed in claim 2 is characterized in that, in the described step (g), intelligent terminal host is read the fund of prestoring of described subscriber card earlier and be temporary, and the expense that will keep in the amount of money and a described timing unit again compares, and judges whether enough payments; After the amount of money of deducting fees that subscriber card is sent according to intelligent terminal host is at every turn finished and is deducted fees, the described intelligent terminal host of balance notification after all will upgrading, this intelligent terminal host is upgraded the described temporary amount of money again, is used for judging next time.
5, method as claimed in claim 4 is characterized in that, described intelligent terminal host is after receiving the renewal that described subscriber card is sent during remaining sum, whether the difference of checking the former temporary amount of money and this renewal back remaining sum earlier equals the described amount of money of deducting fees, if, upgrade the temporary amount of money again, otherwise end call.
6, the method for claim 1 is characterized in that, describedly is specially to the intelligent terminal charging steps by intelligent network platform:
Subscriber card is inserted intelligent terminal host;
The user dials Number for access at intelligent terminal input charging telephone card Number for access, card number, encrypted message automatically by intelligent terminal;
The service switching point is by the identification Number for access, and triggering intelligent network service is sent to the service control point (SCP) with Number for access by No.7 nation-wide Network when keeping the intelligent terminal circuit;
CCF module among the SCP is handled Number for access, sends recorded announcement number by signalling system No.7 to SSP;
SSP selects recording file according to recorded announcement number control IP, and sends voice suggestion to intelligent terminal;
Intelligent terminal becomes charging request with encrypted message according to following format organization with the card number that the user imports in advance, is sent to SSP with DTMF information;
Wherein, it is charging request that FLAG is used to identify current data, and product ID is used for the distributed key for SCP, buys the consistency that the ground code is used for the comparison rechargeable card, and random number is used to prevent replay attack, and MAC is used for the data integrity protection; FLAG, card number, password, purchase ground code and random number are supplemented secret key encryption with money with intelligent terminal;
SSP sends to SCP by signalling system No.7 with formative intelligent terminal data;
SCP disperses to supplement with money master key with product ID, supplements secret key decryption FLAG, card number, password, purchase ground code and random number with money with the intelligent terminal that obtains, and changes the charging request handling process over to according to FLAG;
Whether SCP supplements key verification MAC with money with intelligent terminal correct, whether the intelligent terminal is bought the ground code consistent with the rechargeable card card number, whether effective at SDF data base querying card number and password, if card number and password useless, SCP takes out stitches by signalling system No.7 notice SSP, if card number and password are effective, SCP confirms that according to following format organization data send to SSP:
Wherein, FLAG sign current data is for confirming data, and FLAG, recharge amount and random number are all supplemented secret key encryption with money with intelligent terminal and handled, the random number when random number is intelligent terminal transmission charging request;
SSP control IP device will confirm that with dtmf signal data send to intelligent terminal;
Intelligent terminal is confirmed data with supplementing secret key decryption with money, and whether checking MAC, random number be consistent, if consistent, according to confirming that recharge amount in the data increases the remaining sum in the subscriber card;
Intelligent terminal sends to SCP with the dtmf signal form to be confirmed to reply, and comprises following information;
Wherein, FLAG sign current data is replied for confirming; FLAG, card number, password, purchase ground code are through encryption;
After SCP receives and confirms to reply, carry out deciphering, MAC verification, consistency check operation, with the corresponding disposable deletion of the rechargeable card amount of money among the SDF;
The intelligent terminal on-hook shows " successful recharging " and corresponding balance amount information to the user, and SSP takes out stitches.
7, method as claimed in claim 2 is characterized in that, the main frame of described subscriber card and described intelligent terminal to the method that the other side's validity authenticates is:
Intelligent terminal host is sent initialization command to subscriber card, and wherein order data territory content is empty;
Subscriber card produces random number RA ND1, returns the initialization command response, and wherein command response data field content is RAND1;
Intelligent terminal host receives RAND1, disperses authenticate key to obtain session key with RAND1, produces RAND2, with the signature MAC1 of session-key computation RAND2, sends the AUTHEN-I order to subscriber card, and wherein order data territory content is RAND2 and MAC1;
Subscriber card produces session key with RAND1, and whether the signature MAC1 of checking RAND2 is effective, if invalid, subscriber card returns the AUTHEN-I command response, and state is " signature is wrong "; If effectively, subscriber card produces session key with RAND2, the signature MAC2 with remaining sum in the session-key computation card returns the AUTHEN-I command response to intelligent terminal host, and state is " signature is correct ", and command response data field content is remaining sum and MAC2;
Intelligent terminal host receives remaining sum and MAC2, produces session key with RAND2, and with the signature of session-key computation remaining sum, whether MAC2 is effective in checking, if invalid, intelligent terminal host stops user's conversation, shows " subscriber card is invalid " to the user.
8, a kind of fixed net intelligent terminal of realizing value-added service charging comprises system management tasks module, encryption and decryption and authentication module and deposits funds module, it is characterized in that, also comprises value-added service processing module, rate memory module and accounting module, wherein:
Described system management tasks module is used for management, maintenance system resource, by the communication of Network Interface Module realization with network side, and manages, controls the other system module;
Described encryption and decryption and authentication module are used for respectively sending to the information additional authentication data and the encryption of subscriber card and network side, and the data that receive from subscriber card and intelligent network platform are decrypted and authenticate, and the return authentication result;
Described value-added service processing module is used to finish the value-added service data processing;
Described rate memory module is used to store the rate information of value-added service, and by the maintenance update with communicating by letter of network side of described system management tasks module;
Described deposits funds module, the intelligent terminal that is used to prestore uses the required electronic funds of value-added service, this deposits funds module is the intelligent subscriber card of a band CPU, receive authentication that intelligent terminal host sends, deduct fees, block the internal information reading command by interface, finish corresponding operating and return response;
Described accounting module is used for according to described rate information, and when the user used value-added service by intelligent terminal, the required expense of deduction from described deposits funds module stopped professional when Sorry, your ticket has not enough value.
9, fixed net intelligent terminal as claimed in claim 8 is characterized in that, described accounting module further comprises charging control unit, remaining sum judging unit, interface control unit, wherein:
Described charging control unit, be used for starting or stoping charging according to the instruction of system management tasks module, and control described remaining sum judging unit and interface control unit, and receive that Sorry, your ticket has not enough value or during the notice of authentification failure, stop to charge and reporting system management role module stops professional;
Described remaining sum judging unit, be used for rate information according to value-added service, before business begins and after a timing unit end, judge whether the remaining sum of described subscriber card enough pays required expense of timing unit of value-added service, notify described charging control unit when not enough;
Described interface control unit is used for sending deduct fees data and authentication, remaining sum reading command by the subscriber card interface to subscriber card, and receives the response data of subscriber card.
10, fixed net intelligent terminal as claimed in claim 8, it is characterized in that, also comprise and supplement module with money, be used for the account information of user's input is organized into charging request, encrypting the back sends to intelligent platform, after receiving the recharge amount that returns, verified, verified errorless then supplementing with money to described deposits funds module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100706815A CN100550958C (en) | 2004-07-29 | 2004-07-29 | At method and the device thereof of fixed net intelligent terminal realization to value-added service charging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100706815A CN100550958C (en) | 2004-07-29 | 2004-07-29 | At method and the device thereof of fixed net intelligent terminal realization to value-added service charging |
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| CN1588979A CN1588979A (en) | 2005-03-02 |
| CN100550958C true CN100550958C (en) | 2009-10-14 |
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| CN1893481A (en) * | 2005-07-04 | 2007-01-10 | 中兴通讯股份有限公司 | Method for realizing on-line account charging through hardlink |
| US8571188B2 (en) * | 2006-12-15 | 2013-10-29 | Qualcomm Incorporated | Method and device for secure phone banking |
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