WO2007009323A1

WO2007009323A1 - An implement method of ic card wireless public telephone

Info

Publication number: WO2007009323A1
Application number: PCT/CN2005/002362
Authority: WO
Inventors: Chaokui Tang; Xiaoming Mo; Mingfu Wang
Original assignee: Zte Corporation
Priority date: 2005-07-21
Filing date: 2005-12-29
Publication date: 2007-01-25
Also published as: CN1901594A; CN100571319C

Abstract

An implement method of IC card wireless public telephone includes: based on the system structure of the intelligent network and the short-message confirmation mechanism, the short-message transmitted from the wireless intelligent IC card telephone can carry the uploading card number by IC card telephone and the key information. SCP completes authentication, calling control and information downloading; when the said SCP downloads information, it uses the acknowledge information of the short-message transmitted to the wireless intelligent IC card telephone to carry the balance and charging information. The invention sufficiently use the advantage of wide coverage and good performance of the wireless network, and needn’t configure circuit between the wireless intelligent IC card telephone and the wireless network, that is, it can arrange online IC card service in a rapid and low cost basis; at the same time, the authentication, charging and calling control of the invention are all controlled by the system, and it can efficiently resolve the problems of illegal use of the conventional IC card public telephone, inaccurate charging, fee disputes, difficult maintenance and high maintenance cost.

Description

Implementation method of IC card type wireless public telephone

Technical field

The present invention relates to an implementation method of an IC card type public telephone, and more particularly to an implementation method of an IC card type wireless public telephone. Background technique

In the prior art, the application of the IC (Integrate Circuit) based on the fixed network has been widely and mature, and the IC card phone passes the PSTN (Public Switched Telephone Network) network and the IC card. The system is connected. In terms of implementation, IC card public telephone is divided into offline and online. The offline mode has many shortcomings: serious burglary, inaccurate billing, difficult maintenance, and high maintenance cost. Therefore, online IC cards are now used more.

There are two ways to exchange information between the IC card phone and the intelligent network platform: DTMF CDual

Tone Multi-Frequency, FSK (frequency shift keying) mode, and normal DTMF mode interaction time is longer than 6 seconds.

In addition, since the development of the fixed network must be arranged between the smart IC card phone and the switch, it is difficult, costly, and long-term to carry out the smart IC card service for remote places and places where the layout is difficult.

On the other hand, with the rapid development of wireless networks, the current wireless network coverage and performance are good, which is conducive to rapid deployment of services, but the application of IC cards in wireless networks and related technical solutions have not yet been discovered. Summary of the invention

The technical problem to be solved by the present invention is to provide an implementation method of an IC card type wireless public telephone, which is applied to a wireless network system.

In order to solve the above technical problem, the present invention provides an implementation of an ic card type wireless public telephone. The method includes the following steps:

(1) The IC card type radiotelephone constructs a short message according to the information read from the IC card inserted by the user, and the message body of the short message includes the calling number of the telephone, the short message access number, The card number information of the IC card, and the short message is sent to the mobile switching center through the air interface;

(2) the mobile switching center forwards the short message to the service control point device pointed by the access number according to the short message access number in the short message;

(3) the service control point device parses the short message, records the card number information carried in the short message, and constructs a confirmation short message to return to the telephone according to the calling number of the telephone;

(4) after parsing the confirmation short message, the telephone releases the channel occupied by the current short message interaction, and starts a call, and the number dialed by the user is used as the called number;

(5) after receiving the call, the mobile switching center points the call to the service control point device, and the service control point device takes out the recorded IC card number information, and according to the card number, the calling number, and the Call the number information to inform the mobile switching center to perform call control.

The invention may further comprise the following steps:

After the main called party hangs up, the mobile switching center sends the "application charging report" of the current call to the service control point device, and the service control point device according to the card number of the current call and the "application charging report" The call information is billed and the call is released.

The invention may further comprise the following steps:

The service control point device constructs a short message to be returned to the radiotelephone according to the charging information of the current call, where the short message carries the current call charging information of the card number; the phone parses the The short message is used to deduct the stored value in the IC card according to the charging information in the short message, and release the channel occupied by the short message interaction.

After the step of deducting the stored value in the IC card according to the charging information in the short message, the phone further includes: the phone prompting the user in the card according to the balance information after the deduction current balance. The step (3) may further include: authenticating the calling number of the telephone, and verifying whether the calling party has opened an account in the system.

In the step (1), the short message may further include password information corresponding to the IC card number; the step (3) may further include: authenticating the password to confirm whether the password is correct.

The step (3) may further include: if the authentication fails, the service control point device constructs a short message and returns the identifier to the phone, where the short message carries the identifier and the reason for the failed authentication, and Release the channel occupied by the short message interaction.

The step (4) may further include: the telephone prompting the user for the balance in the card according to the parsed confirmation information.

The calling number of the wireless telephone is a subscription user of the smart IC card service, and the call of the calling party points to a service control point device where the smart IC card service is located, and the short message access code of the calling party also points to the smart IC. The service control point device where the card service is located.

The invention fully utilizes the advantages of wide coverage and good performance of the wireless network. In the deployment service, the online IC card service can be deployed quickly and at low cost without setting a line between the wireless intelligent IC card phone and the wireless network. The smart IC card phone sends the card information to the SCP in a short message manner, and the SCP carries the information to be sent to the IC card phone in the confirmation message of the short message, so the card information interaction time is fast. BRIEF abstract

1 is a flow chart of a wireless network online IC card service according to an embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION

The technical solutions of the method of the present invention and the beneficial effects thereof will be apparent from the following detailed description of the preferred embodiments of the invention.

The core idea of the method for realizing the wireless network online IC card public telephone of the present invention is: The architecture of the intelligent network uses the short message confirmation mechanism to carry the information such as the card number and password uploaded by the IC card phone in the short message sent by the wireless smart IC card phone. The service control point (SCP) is referred to as SCP. The device completes functions such as authentication, call control, and information downlink. When the SCP transmits information, the short message confirmation information to the wireless smart IC card phone carries the balance and billing information.

As shown in Figure 1, the specific business process of the method of the present invention is as follows:

Step 101: On the wireless network, the calling number of the smart IC card telephone is signed by the smart IC card service user, and the call of the calling party is directed to the SCP where the smart IC card service is located; and the short message of the calling number is simultaneously The access number also points to the SCP where the smart IC card service is located. Perform related business data configuration on the SCP.

Step 102: During the call, the wireless IC card phone constructs a short message, which includes information such as the card number and password of the IC card, and then sends the short message to the mobile switching center MSC through the air interface (hereinafter referred to as: MSC).

Step 103: The MSC sends the short message to the SCP according to the setting judgment.

Step 104: The SCP parses the card number and password, authenticates the card number and password, and records the card number and other information of the card for subsequent steps.

Step 105: The SCP stores the information of the card in the short message confirmation message of the terminal, and then returns the confirmation message to the wireless IC card phone through the wireless network.

Step 106: After receiving the confirmation message, the wireless IC card phone parses the information of the card from the information, and performs related processing, for example, displaying the balance.

Step 107: Release the channel occupied by the short message interaction, and start a call at the same time, and use the number dialed by the user as the called number of the call.

Step 108: The MSC points the call to the SCP according to the setting, and the SCP obtains the card information recorded in the previous step, as the card information of the current call, and notifies the MSC to perform call control and calculation according to the card information, the called number dialed by the user, and the like. Fee control.

Step 109: The MSC connects the calling party and the called party, and controls the call according to the instruction of the SCP during the calling party and the called party. Step 110: After the main called party hangs up, the MSC sends an ACR (Apply Charging Report, ACR) M SCP, and the SCP completes the deduction and the call according to the card number and the ACR information of the call. Single operation, release the call at the same time.

Step 111: The wireless IC card phone constructs a short message, which contains information such as the card number of the IC card of the call, and then sends the short message to the MSC through the air interface.

The MSC sends the short message to the SCP according to the setting, and the SCP queries the current call information and the card information of the card, and stores the information in the short message confirmation information for the terminal, and then returns the confirmation information to the wireless network. Wireless IC card phone.

Step 112: After receiving the confirmation message, the wireless IC card phone parses the call information and the card information stored in the short message confirmation information, performs related processing, and then releases the channel occupied by the short message. This call ends.

It is assumed that the number A is used as a user of the smart IC card service. On the wireless network, the number A is signed to the smart IC card service user, and the call of the calling party is directed to the SCP where the smart IC card service is located. Meanwhile, the short message access number of the number A is also directed to the SCP where the smart IC card service is located. on. Perform related business data configuration on the SCP, such as opening an account for number A, making an IC card, and setting system data.

The following is a specific example of a call to illustrate the invention:

Step 1: Pick up the phone and insert the card on the wireless smart IC card phone terminal.

Step 2: The wireless IC card phone constructs a short message, which contains the card number, password and other information of the inserted IC card, and then sends the short message to the MSC through the air interface.

Step 3: The MSC sends the short message to the SCP according to the setting judgment. The SCP parses the card number and password, and authenticates the calling number, card number, and password, and authenticates whether the calling party has opened an account in the system, and the card number password is correct. If the certification does not pass, go to the fourth step of the process, if the certification is passed, go to the fifth step of the process.

Step 4: The SCP stores the identification and reason for the failure of the authentication in the short message confirmation message of the terminal, and then returns the confirmation information to the wireless IC card phone through the wireless network. Wireless IC After receiving the confirmation message, the card phone performs corresponding processing, such as prompting the user card to be invalid. Then release the occupied channel. The call process ends.

Step 5: Record the card number and other information of the card, and the SCP stores the card information in the short message confirmation message to the terminal, and then returns the confirmation message to the wireless IC card phone through the wireless network.

Step 6: After receiving the confirmation message, the wireless IC card phone parses the information of the card from the information, and performs corresponding processing, for example, displaying the balance on the terminal, and releasing the channel occupied by the short message interaction. Start a call with the number dialed by the user as the called number of the call.

Step 7: After receiving the call, the MSC points the call to the SCP according to the setting, and the SCP obtains the card information recorded in the third step of the process, as the card information of the call, according to the card information, the calling number, and the user. The called MSC, such as the called number, informs the MSC to perform call control and charging control.

Step 8: The MSC connects the calling party and the called party, and controls the call according to the instruction of the SCP during the calling party and the called party.

Step 9: After the calling party hangs up, the MSC sends the call ACR to the SCP. The SCP completes the deduction, billing, etc. according to the card number and ACR information of the call, and releases the call at the same time.

Step 10: The wireless IC card phone constructs a short message, which includes information such as the card number of the IC card of the call, and then sends the short message to the MSC through the air interface.

The eleventh step: the MSC sends the short message to the SCP according to the setting, and the SCP queries the current call information of the card (inquiring the current call information according to the information recorded in the ACR) and the card information, and stores the information in the In the short message confirmation message of the terminal, the confirmation information is then returned to the wireless IC card phone through the wireless network.

Step 12: After receiving the confirmation message, the wireless IC card phone parses the call information and the card information stored in the short message confirmation information, and performs related processing, for example, deducting the stored value in the card according to the call information, and displaying The balance is prompted to the user. Then release the short message occupied by this channel. This call ends.

It should be understood that the above description of the specific embodiments of the present invention is more specific and is not to be construed as limiting the scope of the present invention. It is possible to make various possible changes in accordance with the technical idea of the present invention. Or a modification, and all such changes or modifications are intended to fall within the scope of the appended claims. Industrial applicability

Through the above technical solution, the method of the present invention fully utilizes the advantages of wide coverage and good performance of the wireless network. When the service is deployed, the wireless intelligent IC card phone and the wireless network do not need to set a line, and can be deployed quickly and at low cost. Online IC card business. At the same time, authentication, billing, call control, etc. are all controlled by the system, which can effectively solve the defects of traditional IC card scams, billing inaccuracy, tariff disputes, maintenance difficulties, and high maintenance costs. In the technical implementation, the method of the present invention uses the MO process of the short message when the card information exchange between the smart IC card phone and the SCP is used, and there is no delay problem caused by the storage and forwarding of the short message, that is, the smart IC card phone The short message mode sends the card information to the SCP, and the SCP carries the information that needs to be sent to the IC card phone in the confirmation message of the short message, so the card information interaction time is fast and can be completed within 2 seconds. The normal DTMF mode has a long interaction time of more than 6 seconds.

Claims

m ^

A method for implementing an IC card type wireless public telephone, comprising the steps of:

(1) The IC card type radiotelephone constructs a short message according to the information read from the IC card inserted by the user, and the message body of the short message includes the calling number and the short message access number of the telephone, The card number information of the IC card, and the short message is sent to the mobile switching center through the air interface;

(3) the service control point device parses the short message, records the card number information carried in the short message, and constructs a confirmation short message to return to the phone according to the calling number of the telephone;

2. The method according to claim 1, further comprising the steps of: after the main called party hangs up, the mobile switching center sends an "application charging report" of the current call to the service control point device, The service control point device performs charging according to the card number of the current call and the call information in the "application charging report", and releases the current call.

The method according to claim 2, further comprising the steps of: the service control point device constructing a short message to return to the radiotelephone according to the charging information of the current call, The short message contains the current call billing information of the card number; the phone parses the short message, deducts the stored value in the IC card according to the billing information in the short message, and releases the short message interaction The occupied channel. The method according to claim 1, wherein the step (3) further comprises: authenticating the calling number of the telephone, and authenticating whether the calling party has opened an account in the system.

The method according to claim 1, wherein in the step (1), the short message further includes password information corresponding to the IC card number; the step (3), further comprising: The password is authenticated to confirm that the password is correct.

The method according to claim 4 or 5, wherein the step (3) further comprises: if the authentication fails, the service control point device constructs a short message to be returned to the telephone, where The short message carries the identifier and the reason that the authentication fails, and releases the channel occupied by the short message interaction.

7. The method according to claim 6, further comprising: after the telephone receives the short message that the authentication fails, prompting the user card to be invalid.

8. The method according to claim 1, wherein the step (4) further comprises:

The telephone prompts the user for the balance in the card based on the parsed confirmation information.

The method of claim 3, wherein the step of deducting the stored value in the IC card according to the charging information in the short message further comprises:

The telephone prompts the user of the current balance in the card according to the balance information after the deduction.

The method according to claim 1, wherein the calling number of the wireless telephone is a subscription user of the smart IC card service, and the call of the calling party points to a service control point device where the smart IC card service is located, The short message access code of the calling party also points to the service control point device where the smart IC card service is located.