CN1130896C - Intelligent public telephone system and its communication method - Google Patents
Intelligent public telephone system and its communication method Download PDFInfo
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- CN1130896C CN1130896C CN 00106373 CN00106373A CN1130896C CN 1130896 C CN1130896 C CN 1130896C CN 00106373 CN00106373 CN 00106373 CN 00106373 A CN00106373 A CN 00106373A CN 1130896 C CN1130896 C CN 1130896C
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Abstract
The present invention discloses an intelligent public telephone system and a communication method. The intelligent public telephone system comprises an intelligent public telephone terminal and an intelligent network, wherein a card number, a password, a called number, an account number amount of money, etc. of an intelligent card are communicated with the intelligent network system by the intelligent public telephone terminal through a telephone network according to the special communication method; the legitimacy of the card number and the password is verified by the intelligent network system adopting a password verification system, exchange connection is completed, and the communication expense is deducted in the corresponding account number of a database of the intelligent network. The present invention effectively prevents illegal calls and has the advantages of low terminal cost, accurate charging of the system, and high security; the present invention is convenient to specialized management and account apportion of public phone service.
Description
Technical field
The present invention relates to a kind of intelligent public payphones communication means.
Background technology
At present public payphones machine and system thereof have free call on somebody else's expense through illegal means, charge inaccurate, traffic data is lost, clearing and traffic are shared drawbacks such as fail safe inaccurate, system is more weak, main cause is to adopt the off-line type charging way, be that terminal contains accounting module, Fare determined by travel time is finished by terminal fully.Like this, the accuracy of charging is difficult to guarantee that the clearing difficulty is big, and management is inconvenient; And, there is the phenomenon of free call on somebody else's expense through illegal means, more there be illegal apprentice to make the purpose that pseudo-card or artificial card reach telephoning illegally, also might steal the card number and the password of other people register phonecard by intercepting the way of information on the telephone wire, so its poor stability.Shortcoming as just existing among the documents US5675607A, the input of its card number and password is operated by the people, uses inconvenience and is difficult for guaranteeing its fail safe.
Summary of the invention
To the objective of the invention is in order overcoming the above problems, a kind of intelligent public telephone communication means to be provided, improve fail safe, accuracy, be convenient to settlement management.
The present invention is a kind of scheme that realizes above-mentioned purpose, it is the intelligent public telephone communication means, it is characterized in that its communication process may further comprise the steps: after intelligent public telephone terminal TE has detected the smart card insertion, dial in service access number to intelligent network, connect the service switching point in the intelligent network, and connect by service switching point and service control point (SCP), control service switching point, service control point (SCP) is in reception, transmit status, and sends acknowledge signal to intelligent public telephone terminal TE; Intelligent public telephone terminal TE will send to intelligent network IN from card number and the password that smart card reads after receiving acknowledge signal, verify its user's card number by the service control point (SCP) in the intelligent network IN system, the legitimacy of password, as be legal card, SCP sends to intelligent public telephone terminal TE with the amount of money of the account number of this smart card correspondence, for its demonstration, change the program of calling afterwards over to, in communication process, cost of the phone call is deducted in the account number remaining sum of smart card correspondence automatically, after the end of conversation called subscriber on-hook, the SCP control SSP expense of this conversation of verbal announcement, SCP writes down the call bill data of this conversation, the usefulness that the system of confession carries out the traffic clearing; As not regarding as legal card, then send corresponding voice suggestion.
Above process is the communication mode of the online real time billing undertaken by intelligent network, that is to say that the legitimate verification of smart card, the Fare determined by travel time of conversation, the processing of traffic data all are to be undertaken by intelligent net system.
Because above scheme, adopted the mode of online real time billing, after user's calling each time all will verify that smart card is legal by intelligent net system so, can continuing called subscriber, Fare determined by travel time also is to be realized by intelligent net system in communication process, therefore the anti-free call on sb. else's expense through illegal means function of native system is strong, and Fare determined by travel time is accurate; Native system not only is provided with Service Database, and can establish rate parameter database, traffic data storehouse and other public telephone special parameters database etc., therefore native system can be realized the specialized management of public telephone, and can guarantee the account clearing and share accuracy, also can in time implement the adjustment of national rate etc.; The intelligent public telephone terminal does not contain accounting module, anti-theft module, and terminal is data such as rate of storage parameter, ticket not, so termination function is simple, cost is low, reliability is high; The checking of the card number of smart card and password realizes automatically by terminal and intelligent network in addition, this just is easy to realize dynamic password, even there is the people to steal password from telephone wire, because the password of next time is changed, still can not usurp smart card, increase security of system greatly.
Description of drawings
Fig. 1 is an intelligent public telephone system structured flowchart of the present invention.
Fig. 2 is an intelligent public telephone system business process map of the present invention.
Fig. 3 is the calling order schematic diagram.
Fig. 4 is the voice procedure schematic diagram.
Fig. 5 is a Stored Value program schematic diagram.
Handling procedure schematic diagram when Fig. 6 is Called Busy.
Fig. 7 is the Chinese recording tabulation of quoting in above-mentioned each flow chart.
Fig. 8 is the English recording tabulation of quoting in above-mentioned each flow chart.
Embodiment
Also the present invention is described in further detail in conjunction with the accompanying drawings below by concrete enforcement.
At first the noun of mentioning is in the following description made an explanation:
1, public payphones business: be meant when the user carries out call that cost of the phone call is by a kind of public telephone communication service of user's payment.For example: integrated circuit (1C) card public payphones business, card phone business, coin service.
2, intelligent public telephone business: carry out Paycall on the intelligent public telephone machine, the cost of the phone call note is on the account number of regulation.Use this professional user, a unique individual card number and a password must be arranged, and this card number and password are write on the special-purpose IC-card, we are referred to as smart card.When the user called out, cost of the phone call was deducted from its account number, and we are defined as the intelligent public telephone business this telephone service.
3, smart card: the account number of intelligent public telephone service definition and password are write on the special-purpose IC-card, and the user calls on the intelligent public telephone machine, and this blocks us and is referred to as smart card.
4, credit card: it is a kind of a kind of payphone service that uses on ordinary telephone set for a credit card (also claiming register phonecard).200,300 phonecards for example.
5, pseudo-card: illegal IC-card integrated circuit manufacturer, forge the IC-card that valency is arranged, seek exorbitant profit.
6, artificial card: utilize singlechip technology, the operation principle and the coffret sequential thereof of imitation IC-card, manufacturing a kind of has the valency IC-card, speculates.
7, dead card: the dynamic password of smart card is lost for a certain reason, makes it to call, and is referred to as dead card.
Fig. 1 is an intelligent public telephone system structured flowchart of the present invention.This system comprises: intelligent public telephone terminal TE, intelligent network IN two parts are formed.It is characterized in that: described intelligent public telephone terminal TE is a kind of smart card telephone terminal of special use, it can read data such as card number, password on the smart card, and uploads to intelligent net system by public telephone network with card number, password with from the data-signal that button is imported.Described intelligent network IN comprises service switching point, service control point (SCP), service management point SMP, the SMS of account settlement center, wherein the service switching point is used to receive signal that intelligent phone terminal TE sends and connects with the service control point (SCP), and finishes called the continuing of caller; Service control point (SCP) wherein is used to finish the legitimate verification of user's card number and password, user's card number wherein, password, amount of money storage is in the database of SCP, this database is referred to as Service Database, utilize this database, whether card number and password that it can verification terminal TE be uploaded be legal, as be legal card, SCP sends intelligent public telephone terminal TE with the amount of money of the account number of this smart card correspondence, for its demonstration, the service control point (SCP) can also be according to service needed, produce the control signaling and command the service switching point to continue, in communication process, cost of the phone call is deducted in the account number of smart card correspondence automatically, after the end of conversation called subscriber on-hook, the SCP control SSP expense of this conversation of verbal announcement, and write down the call bill data of this conversation; Wherein service management point SMP is used for the relevant business datum of SCP is managed, and comprises the management of traffic data; The SMS of account settlement center is used for traffic data that SMP is downloaded and shares management by the adding up of area, clearing, account.
The communication process of said system may further comprise the steps:
After intelligent public telephone terminal TE has detected the smart card insertion, dial in service access number to intelligent network, connect the service switching point in the intelligent network, and connect by service switching point and service control point (SCP), control service switching point, service control point (SCP) enters reception, transmit status, and sends acknowledge signal to intelligent public telephone terminal TE;
Intelligent public telephone terminal TE will send to intelligent network IN from card number and the password that smart card reads after receiving acknowledge signal;
Service control point (SCP) among the intelligent network IN is according to the legitimacy of wherein user's card number, password, amount of money database authentication card, as be legal card, SCP sends to intelligent public telephone terminal TE with the amount of money of the account number of this smart card correspondence, for its demonstration, then change the program of calling afterwards over to, after the end of conversation called subscriber on-hook, the SCP control SSP expense of this conversation of verbal announcement; As not regarding as legal card, then send voice suggestion.
In order to increase fail safe, also be provided with the dynamic password verification system in the system, by each is made up of a cryptographic transformation module among intelligent public telephone terminal TE and the intelligent network IN; Cryptographic transformation module on cryptographic transformation module on the intelligent public telephone terminal TE and the intelligent network IN is by identical algorithm and according to identical key, when each communication, produce new ciphertext, as the password of next time, write respectively in the smart card and intelligent network IN in database in.
Fig. 2 is an intelligent public telephone system business process map of the present invention, and H represents to exhale mouth to be program among the figure, and I represents voice procedure, and G represents the Stored Value program, the handling procedure when J represents Called Busy.Its shown intelligent public telephone communication means may further comprise the steps: after intelligent public telephone terminal TE has detected the smart card insertion, dial in special service number to intelligent network, as 398XXX (this number according to circumstances set by telecommunication department), by the service switching point in the Public Switched Telephony Network PSTN connection intelligent network, and connect by service switching point and service control point (SCP), control service switching point, service control point (SCP) enters reception, transmit status, and to intelligent public telephone terminal TE transmission acknowledge signal, this is a double-audio signal of recording in advance; Intelligent public telephone terminal TE will send to intelligent network IN from card number and the password that smart card reads after receiving acknowledge signal; Service control point (SCP) among the intelligent network IN is according to the legitimacy of wherein user's card number, password, amount of money database authentication card, as is legal card, then changes the program of calling over to; As not regarding as legal card, then send voice suggestion, change special handling procedure over to.
In order to increase fail safe, be provided with dynamic cipher system.When intelligent public telephone terminal TE and intelligent network IN communicate at every turn, intelligent public telephone terminal TE and intelligent network IN do expressly with the ciphertext of last time, with same key and algorithm, the password that computing makes new advances, the two result who calculates is identical, this result be stored in respectively in the smart card and the database of intelligent network IN in, the legitimacy usefulness of card authentication when using as next time.
After adopting dynamic password, password generates and the step of variation is: 1, initial password generates.After the user has bought neocaine, by intelligent public telephone terminal TE card number and password are write on the smart card and (also can directly be finished writing in advance) by hair fastener unit, this password is called user cipher H (also being original password), (can according to circumstances get user cipher H and key Y, as get Y=1713592331) together, by certain special algorithm, calculate initial ciphertext Mo: this ciphertext Mo is all storing on the smart card He on the intelligent network IN; 2, password generates for the second time, and when the user made a phone call for the first time, phone (was got initial ciphertext M with password C.A part) deliver to system, for system verification; As verify errorlessly, and then intelligent public telephone terminal TE and intelligent network IN utilize last ciphertext Mo as expressly, with key Y, calculate this ciphertext M1, and terminal TE and intelligent network IN preserve this ciphertext, for use next time; 3, so repeatedly, when communicating by letter at every turn, certain part of the ciphertext that terminal TE will generate last time uploads to intelligent network IN as password and verifies, simultaneously, terminal TE and intelligent network IN are with the ciphertext of the last time plaintext as this, generate new ciphertext with fixing key and use for next time, circulation goes on.Because new ciphertext is all arranged at every turn, from the circuit stealing passwords almost become impossible.
After adopting dynamic password, the step of password authentification is: 1, the password of storing in password that intelligent public telephone terminal TE is sent and the database compares, if consistent, then this card is legal card; If inconsistent, might be because changed new password on the terminal, and that the password that do not upgrade in time on the intelligent network IN cause would be asynchronous, so carry out next step; 2, intelligent network IN is according to above-mentioned key and algorithm, password in the database is carried out computing, obtain a new password, the password of sending here with this password and intelligent public telephone terminal TE compares, if it is consistent, then this card is legal card, if it is inconsistent, carry out next step, give last proof machine meeting: verify with initial ciphertext Mo: 3, intelligent network IN compares the original ciphertext Mo of password that intelligent public telephone terminal TE sends here, if consistent, then this card is legal card, if still inconsistent, then be judged to be illegal card, stop service after the voice suggestion.This step is when causing " dead card " because of cause specific, can allow the user that original password is write on the card again, to untie " dead card ".
Native system can also fill (storage) value to smart card, and its flow process is seen Fig. 5.
Native system utilizes the recorded announcement of intelligent network to carry out digital signal communication cleverly, its method is in advance the touch-tone signal DTMF of standard to be recorded in the recorded announcement table of service switching point of intelligent network, when intelligent network IN need be to data-signal that the intelligent public telephone terminal is transmitted, the recorded announcement of the corresponding numeral of SSP combination was also put this combination recorded announcement and is got final product.The various digital informations that send of terminal acceptable system like this.
Native system can also show remaining sum for the user.After the smart card checking was legal, the remaining sum that intelligent network IN will block sent intelligent public telephone terminal TE to, after intelligent public telephone terminal TE receives balance amount information, is presented on the display screen.
Native system is after called subscriber's on-hook behind the end of conversation, and SCP controls the expense of SSP with this conversation of voice subscriber call.
The business datum lab setting of native system SCP is flexible, can share the card number resource of the Service Database of existing credit card, the account number cipher of original credit card is write on the intellective IC card, can call on the intelligent public telephone terminal, operating division has saved the distribution link of card like this.
The handling procedure schematic diagram is seen Fig. 3,4,5,6 respectively when calling order, voice procedure, Stored Value program and Called Busy.
The Chinese and English recorded announcement of being quoted from above-mentioned each flow chart is listed among Fig. 7, Fig. 8.
Claims (4)
1, a kind of intelligent public telephone communication means is characterized in that may further comprise the steps:
After intelligent public telephone terminal (TE) has detected the smart card insertion, PSTN dials service access number to public switch telephone network, PSTN connects the Service Switching Point in the intelligent network, and connect by Service Switching Point and Service Control Point, Service Control Point control Service Switching Point enters reception, transmit status, and sends acknowledge signal to intelligent public telephone terminal (TE);
Intelligent public telephone terminal (TE) will send to intelligent network IN from card number and the password that smart card reads after receiving acknowledge signal, carry out password according to dynamic password verification system rule simultaneously and generate;
Service Control Point among the intelligent network IN according to the dynamic password verification system to user's card number, password carries out legitimate verification and password generates, as be legal card, the remaining sum that Service Control Point control Service Switching Point will block sends intelligent public telephone terminal (TE) to, after intelligent public telephone terminal (TE) is received balance amount information, be presented on the display screen, then change the program of calling afterwards over to, after the end of conversation called subscriber on-hook, the Service Control Point control Service Switching Point expense of this conversation of verbal announcement; As not regarding as legal card, then send voice suggestion.
2, as right 1 described intelligent public telephone communication means, it is characterized in that: utilize the recorded announcement of intelligent network to carry out digital signal communication, its method is in advance the touch-tone signal DTMF of standard to be recorded in the recorded announcement table of Service Switching Point of intelligent network, when intelligent network IN need be to intelligent public telephone terminal communicated data signal, Service Switching Point makes up the recorded announcement of corresponding numeral and puts this combination recorded announcement and gets final product, the various digital informations of terminal acceptable system transmission comprise: acknowledge signal, remaining sum signal like this.
3, intelligent public telephone communication means as claimed in claim 1 or 2, it is characterized in that: also comprise the dynamic password verification step, the steps include: that the password of storing in password that intelligent network IN sends intelligent public telephone terminal (TE) and the database compares, as unanimity, then this card is legal card, if inconsistent, carry out next step; Intelligent network IN carries out computing according to key and the algorithm set with the password in the database, obtains a new password, the password of sending here with this password and intelligent public telephone terminal (TE) compares, if consistent, then this card is legal card, if inconsistent, carry out next step; Password and initial ciphertext M that intelligent network IN sends intelligent public telephone terminal (TE) here
0Compare, if consistent, then this card is legal card, if still inconsistent, stops service after the voice suggestion.
4, intelligent public telephone communication means as claimed in claim 1 or 2 is characterized in that: set up independently intelligent public telephone Service Database in advance, wherein Cun Chu card number Unified coding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00106373 CN1130896C (en) | 2000-06-13 | 2000-06-13 | Intelligent public telephone system and its communication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00106373 CN1130896C (en) | 2000-06-13 | 2000-06-13 | Intelligent public telephone system and its communication method |
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| Publication Number | Publication Date |
|---|---|
| CN1274228A CN1274228A (en) | 2000-11-22 |
| CN1130896C true CN1130896C (en) | 2003-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00106373 Expired - Fee Related CN1130896C (en) | 2000-06-13 | 2000-06-13 | Intelligent public telephone system and its communication method |
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| CN (1) | CN1130896C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100461678C (en) * | 2002-02-10 | 2009-02-11 | 华为技术有限公司 | Method for realizing after payment business |
| CN100417168C (en) * | 2003-04-15 | 2008-09-03 | 中兴通讯股份有限公司 | Broadband public telephone system and its realizing method |
| CN100433676C (en) * | 2003-09-28 | 2008-11-12 | 乐映钢 | Method for directional dialing for programme controlled exchange board |
| CN1311694C (en) * | 2004-05-10 | 2007-04-18 | 华为技术有限公司 | Evolution system and method of public switched telephone network |
| CN100452809C (en) * | 2004-12-29 | 2009-01-14 | 腾讯科技（深圳）有限公司 | Method for setting up automatic reply content for telephone system |
| CN1901593B (en) * | 2005-07-21 | 2010-06-16 | 中兴通讯股份有限公司 | Method for realizing on-line IC card public telephone in GSM network |
| CN1870770B (en) * | 2006-01-10 | 2012-03-21 | 华为技术有限公司 | System and method for identifying user terminal capacity |
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2000
- 2000-06-13 CN CN 00106373 patent/CN1130896C/en not_active Expired - Fee Related
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| CN1274228A (en) | 2000-11-22 |
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Owner name: GUANRI COM. TECH (SHENZHEN) CO., LTD. Free format text: FORMER NAME OR ADDRESS: GUANRI COMMUNICATION SCIENCE AND TECHNOLOGY CO., LTD., SHENZHEN CITY |
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Address after: 3 building, R3-B building, Shennan hi tech Industrial Park, Shennan Road, Guangdong, Shenzhen 518057 Patentee after: Shenzhen Guanri Telecom-tech Co., Ltd. Address before: 3 building, R3-B building, Shennan hi tech Industrial Park, Shennan Road, Guangdong, Shenzhen 518057 Patentee before: Guanri Communication Science and Technology Co., Ltd., Shenzhen City |
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Owner name: GUANRI TELECOMMUNICATIONS SCIENCE CO., LTD., SHEN Free format text: FORMER OWNER: GUANRI COM. TECH (SHENZHEN) CO., LTD. Effective date: 20080919 |
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Effective date of registration: 20080919 Address after: R3-B, building 3, building 301, Nanshan District hi tech Industrial Park, Shenzhen, Guangdong Patentee after: Shenzhen Guanri Telecom-Tech Co., Ltd. Address before: R3-B building, building 3, Shennan hi tech Industrial Park, Shennan Road, Guangdong, Shenzhen Patentee before: Shenzhen Guanri Telecom-tech Co., Ltd. |
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Granted publication date: 20031210 Termination date: 20130613 |