TWI672926B - System and method for wireless public phone application - Google Patents

Abstract

A system and method for a wireless public telephone application, the system comprising: a calling device, which is equipped with a public application; the service secondary system provides the public application to use the public switched telephone network (PSTN) to dial the city Make a call to the receiving device by telephone or using the Public Mobile Telephone Network (PLMN).

Description

System and method for wireless public application

The present invention relates to a call application, and more particularly to a system and method for a wireless public application.

The traditional public telephone calls are made by wired circuit switching (Circuit Switching) technology, and the telephone IC card or coin is required to make a call, the convenience is not as good as the mobile phone, and the traditional public telephone call mode is difficult to talk with. The service of the software terminal combines to generate new services, so fewer people are used.

A traditional Internet telephony application on a mobile device uses a wireless network access point (such as a Wi-Fi AP) to make calls, using only the wireless network access point to use the Internet. The purpose of the call is made, and the mobile phone or the local call cannot be made, and if other wireless networks are available, there is no need to connect a network access point, so the network access point cannot play the role of the public telephone.

Therefore, how to effectively make the Internet call application reach the application of the public telephone is the technical problem to be solved by the invention.

To overcome the deficiencies of the prior art, the present invention provides a system for a wireless public telephone application, comprising: a calling device, which is equipped with a public application; and a service subsystem, which includes: a service opening unit for the utterance After executing the public application, the device registers with the service provisioning unit to obtain an account of the service secondary system, and when the public application is logged into the account, the service secondary system is used; Distributing a one-time dialog to initiate an agreement account to the account; and a service logic control unit for receiving a call request made by the account in the public application to allow the account with the one-time session initiation agreement account to dial The city phone or mobile phone makes a call to the receiving device.

In an embodiment, the service subsystem further includes: a debit unit for adding a debit account of the account; and a stored value unit for receiving and checking the account in the public application. The amount of the deposit value and the payment medium, so that when the payment medium is checked as correct, the value of the stored value is stored in the debit account.

In an embodiment, the service logic control unit checks, to the debit unit, the balance of the account with the one-time session initiation agreement account in the debit account, so that the service logic controls when the balance exceeds a predetermined amount. The unit allows the account with the one-time session initiation agreement account to make a call to the handset or the city call to the handset.

In an embodiment, the service logic control unit requests the debit unit to immediately debit the debit account of the account that made the call according to the set rate rule.

In an embodiment, the camera and the service system are further included for The camera transmits the recorded image to the service system.

The invention further provides a method for a wireless public telephone application, comprising the following steps: (1) causing the calling device to execute a public application to register with the service provisioning unit in the service subsystem to use the account of the service secondary system, The public application uses the service secondary system when logging into the account; (2) using the account to request a one-time session initiation agreement account to the matching unit in the service secondary system; (3) according to the one-time conversation Initiating a contract account to cause the account to make a call request to the service logic control unit in the service subsystem via the wireless network and the next generation multimedia subsystem; and (4) having the service logic control unit permit the one-time session initiation agreement The account of the account dials a local or mobile phone to make a call to the receiving device.

In an embodiment, the step (1) and (2) further includes the steps of: causing the service provisioning unit to request the debit unit of the service sub-system to add a debit account of the account; and utilizing The account provides the stored value unit and the payment medium to the stored value unit in the service sub-system, and after the stored value unit checks that the payment medium is correct, the value of the desired stored value is stored in the debit account.

In an embodiment, the step (3) and (4) further includes the step of: checking, by the service logic control unit, the account with the one-time session initiation agreement account to the debit account by the debit unit The balance within the balance is such that when the balance exceeds a predetermined amount, the step (4) is performed.

In an embodiment, after the step (4) is executed, the method further includes the following steps: (5) ending the call, and causing the service logic control unit to request the debit unit to end the call according to the set rate rule. Account debit account Instant deduction.

In an embodiment, the step (4) further includes: causing the service logic control unit to continuously check the balance of the debit account of the account for the call to the debit unit during the time spent in the call, and to the deduction The payment unit is required to charge the debit account immediately for the time spent on the call in accordance with the prescribed rate rule, so that the account whose balance exceeds a predetermined amount can continue to hold the call.

Accordingly, the present invention has the following key technical contents:

1. The domestic user of the present invention can install a public application through a mobile phone to make a local or mobile call via the next generation multimedia subsystem network (NGN/IMS).

2. The foreign user of the present invention can replace the user identity module (SIM card), and can make domestic calls through the next generation multimedia subsystem network (NGN/IMS).

3. The present invention has a bad signal at the base station, and can make a call via the next generation multimedia subsystem network (NGN/IMS).

4. The present invention can make calls through the Next Generation Multimedia Subsystem Network (NGN/IMS) where the base station is inoperable.

5. The invention can provide domestic business outdoors, and can make local calls through the next generation multimedia subsystem network (NGN/IMS) to achieve the purpose of saving money.

6. The invention can provide international users free international roaming charges, and make domestic calls through the next generation multimedia subsystem network (NGN/IMS) to achieve the purpose of saving money.

7. The present invention allows a user's mobile device to connect to a network access point (eg Wi-Fi AP), and the network access point has been routed directly to the next generation multimedia subsystem network (NGN/IMS), so the user's mobile device can view the network access point It is a virtual public telephone (the telephone can be configured with a telephone door number), and the dialing keyboard of the telephone is provided by the App on the mobile device in a virtual keyboard mode, and the public telephone is used.

It can be seen from the above that the calling device of the present invention has a wireless network connected to the Internet through a connection and connects to the last generation multimedia subsystem network (NGN/IMS) to enable the public application installed in the calling device. The program can make a mobile phone or a local call within the range of the wireless network (Wi-Fi) signal, so that the public phone application becomes a wireless public telephone, so as to improve the convenience of using the public telephone and to make a call or cancel the call. The purpose of international roaming.

101‧‧‧Talking device

102‧‧‧Receiving device

103‧‧‧Internet

104‧‧‧Wireless network

105‧‧‧Next Generation Multimedia Subsystem Network

106‧‧‧Public switched telephone network

107‧‧‧Public mobile telephone network

108‧‧‧ account

200‧‧‧ service subsystem

201‧‧‧Service Opening Unit

202‧‧‧ stored value unit

203‧‧‧Deduction unit

204‧‧‧With the unit

205‧‧‧Service Logic Control Unit

301‧‧‧ Public kiosk

302‧‧‧Airport

303‧‧‧ Concert

304‧‧‧Convenience Store

305‧‧‧ camera

401‧‧‧ City calls

402‧‧‧Mobile Phone

403‧‧‧Service System

S201~S204, S301~S308, S401~S405, S501~S504, S601~S610‧‧‧ steps

1 is a schematic structural diagram of a system of a wireless public telephone application of the present invention; FIG. 2 is a flowchart of a first embodiment of a method for wireless public telephone application of the present invention; and FIG. 3 is a wireless diagram of the present invention; Different types of flowcharts of the second embodiment of the method of the public application; FIGS. 4-6 are diagrams of different types of the second embodiment of the method of the wireless public application of the present invention; and the seventh ~11 is a schematic architecture diagram of a practical application of the system and method of the wireless public telephone application of the present invention.

The other embodiments of the present invention will be readily understood by those skilled in the art from this disclosure.

It is to be understood that the structure, the proportions, the size, and the like of the present invention are intended to be used in conjunction with the disclosure of the specification, and are not intended to limit the invention. The conditions are limited, so it is not technically meaningful. Any modification of the structure, change of the proportional relationship or adjustment of the size should remain in this book without affecting the effects and the objectives that can be achieved by the present invention. The technical content disclosed in the invention can be covered.

Please refer to FIG. 1 , which is a schematic structural diagram of a system of the wireless public telephone application of the present invention. The system includes: a calling device 101, which is equipped with a public application and is connected to a wireless network (Wi-Fi) 104 connected to the Internet 103; the service subsystem 200 provides the public application. The program uses the Public Switched Telephone Network (PSTN) 106 to make a local call or use the Public Land Mobile Network (PLMN) 107 to make a mobile call to the receiving device 102 for a call.

The service sub-system 200 includes a service provisioning unit 201 for providing the calling device 101 to execute the public application to register with the service provisioning unit to obtain an account of the service sub-system 200 for the public application. After the program logs into the account, the service secondary system is used; the debit unit 203 is connected to the next generation network/IP Multimedia Subsystem, The wireless network (Wi-Fi) 104 of the NGN/IMS 105 is interfaced with the calling device 101 for adding a debit account of the account, wherein the calling device 101 executes the public application to open the service. After the unit 201 registers to use the account of the service sub-system 200, the service provisioning unit 201 then requests the debiting unit 203 to add a debit account of the account; the stored value unit 202 is sequentially passed through the next generation multimedia. A subsystem network (NGN/IMS) 105 and a wireless network (Wi-Fi) 104 are interfaced with the calling device 101 for receiving and checking the amount of the account and the payment made by the account in the public application. The medium, when the payment medium is checked to be correct, the stored value is stored in the debit account; the registration unit 204 is sequentially passed through the next generation multimedia subsystem network (NGN/IMS) 105 and a wireless network (Wi-Fi) 104 interfacing with the calling device 101 for allocating a one-time Session Initiation Protocol (SIP) account to the account; the service logic control unit 205 is provided Wireless network connecting the next generation multimedia subsystem network (NGN/IMS) 105 (Wi-F i) 104 is interfacing with the calling device 101 for receiving a call request made by the account in the public application to allow the account having the one-time session initiation agreement account to use the Public Switched Telephone Network (PSTN) 106 dials a local call or uses a public mobile telephone network (PLMN) 107 to make a mobile call to the receiving device 102 for a call.

In one embodiment, the access point of the wireless network (Wi-Fi) 104 is routed directly to the next generation multimedia subsystem network (NGN/IMS) 105.

In an embodiment, the payment medium includes: a public credit card, a letter Use the card number or mobile payment platform, where the mobile payment platform such as Alipay or WeChat pays, but not limited to this.

In an embodiment, the service provisioning unit 201, the stored value unit 202, the debiting unit 203, the matching unit 204, and the service logic control unit 205 in the service subsystem 200 can be individual independent servers, and each unit Interconnected with each other through a next generation multimedia subsystem network (NGN/IMS) 105.

In an embodiment, the calling device 101 is a mobile device, and the receiving device 102 is a mobile phone device or a local telephone device, wherein the mobile device or the mobile phone device is a mobile phone or a tablet, but not Limited.

In one embodiment, the service logic control unit 205 allows the account having the one-time session initiation agreement account to make a call to the local telephone device using the public switched telephone network (PSTN) 106, or to use public action. The telephone network (PLMN) 107 makes a mobile phone call to the mobile phone device.

In an embodiment, the public application has a plurality of modules, including a service activation unit 201, a stored value unit 202, a debit unit 203, a matching unit 204, and a service logic control unit 205. The group corresponds to a unit, wherein each of the plurality of modules is displayed on the interface of the public application, so that the account directly selects each of the plurality of modules on the interface of the public application. The functions of the units within the service subsystem 200 are performed.

In an embodiment, the service logic control unit 205 checks the debit unit 203 for the account with the one-time session initiation agreement account. The balance in the account number, when the balance exceeds a predetermined amount, the service logic control unit allows the account having the one-time session initiation agreement account to make a call to the mobile device or the local call to the receiving device 102.

In an embodiment, the service logic control unit 205 requests the debit unit to immediately debit the debit account of the account that made the call according to the prescribed rate rule.

In an embodiment, the service logic control unit 205 continuously checks the balance of the debit account of the account for the call to the debit unit within the time taken by the call, and requests the debit unit 203 to be determined according to the The rate rule immediately debits the debit account for the time the call has been spent, so that the account whose balance exceeds a predetermined amount can continue to hold the call.

Please refer to FIG. 2, which is a flow chart of a first embodiment of a method for a wireless public telephone application of the present invention. The first embodiment of the method includes the following steps: in step S201, the calling device 101 executes a public application and communicates to the service subsystem 200 via a wireless network (Wi-Fi) 104 having an Internet 103 connection. The service provisioning unit 201 is registered to obtain an account of the service sub-system 200, and the service sub-system 200 is used after the public application is logged into the account.

In step S202, the account is sequentially used to obtain a one-time access to the matching unit 204 in the service sub-system 200 through the wireless network (Wi-Fi) 104 and the next-generation multimedia subsystem network (NGN/IMS) 105. The conversation initiates the agreement account.

In step S203, the account is activated according to the one-time session. The agreed account number, through the wireless network (Wi-Fi) 104 and the next generation multimedia subsystem network (NGN/IMS) 105, makes a call request to the service logic control unit 205 in the service subsystem 200.

In step S204, the service logic control unit 205 is caused to allow the account having the one-time session initiation agreement account to make a call by making a mobile or local call to the receiving device 102.

In an embodiment, the calling device 101 is a mobile device, and the receiving device 102 is a mobile phone device or a local telephone device, wherein the mobile device or the mobile phone device is a mobile phone or a tablet, but not Limited.

In an embodiment, the service logic control unit 205 in the step S204 allows the account having the one-time session initiation agreement account to make a call to the local telephone device using the public switched telephone network (PSTN) 106. Or use the Public Mobile Telephone Network (PLMN) 107 to make a mobile phone call to the mobile phone device.

Please refer to FIG. 3, which is a flow chart of different types of the second embodiment of the method for the wireless public telephone application of the present invention. The difference between the present embodiment and the first embodiment lies in the application of the stored value unit and the debit unit. Therefore, the differences will be explained below, and the same points will not be described again. The second embodiment of the method includes the following steps: in step S301, the calling device 101 executes a public application to register with the service provisioning unit 201 in the service subsystem 200 to obtain an account of the service subsystem 200, After the public application is logged into the account, the service secondary system 200 is used.

In step S302, the service provisioning unit 201 requests the debiting unit 203 in the service sub-system 200 to add a debit account of the account by the next generation multimedia subsystem network (NGN/IMS) 105; In step S303, the account is used to input the amount of money to be stored and the payment medium, and then the wireless network (Wi-Fi) 104 and the next generation multimedia subsystem network (NGN/IMS) 105 are used. The stored value unit and the payment medium are provided to the stored value unit 202 in the service sub-system 200. After checking the payment medium is correct, the stored value unit 202 stores the value to be stored in the debit account.

In step S304, the one-time session initiation agreement account number is acquired to the matching unit 204 in the service sub-system 200 using the account.

In step S305, the account is used to make a call request to the service logic control unit 205 in the service subsystem 200 according to the one-time session initiation agreement account.

In step S306, the service logic control unit 205 checks, by the next generation multimedia subsystem network (NGN/IMS) 105, the account with the one-time session initiation agreement account in the debit account. The balance, when the balance exceeds a predetermined amount, step S307 is performed.

In step S307, the service logic control unit 205 is caused to allow the account having the one-time session initiation agreement account to make a call to the receiving device 102 by calling a local or mobile phone, wherein the service logic control unit 205 is at the call. By the next generation multimedia subsystem network (NGN/IMS) 105, the balance of the debit account of the account for the call is continuously checked and requested by the debit unit 203. The charge for the call has been deducted from the debit account immediately according to the prescribed rate rule, so that the account whose balance exceeds a certain amount can continue to hold the call.

In step S308, the call is terminated, and the service logic control unit 205 requests the debit unit 203 to perform the call according to the set rate rule by the next generation multimedia subsystem network (NGN/IMS) 105. The debit account of the account is debited immediately.

In an embodiment, the rate rule is charged in minutes, wherein the minute is charged in less than 1 minute, but not limited thereto.

Please refer to FIG. 4, which is a schematic flow chart of the steps S301 to S302. The illustrated flow shown in FIG. 4 includes the following steps: in step S401, the calling device 101 executes a public application and connects to a wireless network (Wi-Fi) 104 connected to the Internet 103. The service provisioning unit 201 in the secondary system 200 registers to use the account of the service secondary system 200 and logs in to the account at the public application.

In step S402, the service provisioning unit 201 transmits a verification code to the account via the Internet 103.

In step S403, the account inputs the verification code through the public application in the calling device 101 to transmit the verification code to the service through the wireless network (Wi-Fi) 104 connected to the Internet 103. Unit 201.

In step S404, after the service activation unit 201 verifies that the verification code is successful, the service activation unit 201 causes the next generation multimedia subsystem network (NGN/IMS) 105 to debit the unit 203 in the service subsystem. Request to add a debit account for this account.

In step S405, after the debiting unit 203 adds the debit account of the account, the debit unit 203 is passed through the next generation multimedia subsystem network (NGN/IMS) 105 and the wireless network (Wi-Fi). 104 transmits to the account a message that the debit account has been opened.

Please refer to FIG. 5, which is a schematic flow chart of step S303. The illustrated flow shown in FIG. 5 includes the following steps: in step S501, the account 108 is used to input the amount of money to be stored and the payment medium using the public application, and then the wireless network (Wi-Fi) 104 is used. And the next generation multimedia subsystem network (NGN/IMS) 105 provides the stored value unit and the payment medium to the stored value unit 202 in the service subsystem 200.

In step S502, after the stored value unit 202 checks that the payment medium is correct, the debit unit 203 is requested by the next generation multimedia subsystem network (NGN/IMS) 105 to store the value of the stored value into the In the debit account of account 108.

In step S503, after the stored value is successful, the debit unit 203 is returned to the stored value unit 202 through the next generation multimedia subsystem network (NGN/IMS) 105 to restore the stored value and the balance, and then the stored value is obtained. Unit 202 transmits the value and balance of the stored value to the account 108 via the next generation multimedia subsystem network (NGN/IMS) 105 and wireless network (Wi-Fi) 104.

In step S504, if the stored value fails, the debit unit 203 is caused to reply to the reason why the stored value unit 202 fails to store the value, and the stored value unit 202 transmits the reason for the stored value failure to the account 108.

In an embodiment, the reason for the stored value failure is that the amount of the stored value has exceeded the available balance of the payment medium, but is not limited thereto.

Please refer to FIG. 6 , which is a schematic flow chart of step S304 to step S308 . The illustrated flow shown in FIG. 6 includes the following steps: in step S601, the account 108 is sequentially transmitted through the wireless network (Wi-Fi) 104 and the next generation multimedia subsystem network (NGN/IMS) 105. A one-time session initiation agreement account number is obtained from the registration unit 204 in the service sub-system 200.

In step S602, the account 108 is used to input the number of the calling phone in the public application according to the one-time session initiation agreement account, to sequentially pass the wireless network (Wi-Fi) 104 and the next generation multimedia child. The system network (NGN/IMS) 105 makes a call request to make a call to the service logic control unit 205 in the service subsystem 200.

In step S603, the service logic control unit 205 checks whether the number of the dialed telephone is a limited number, such as an international telephone, 0204 or 0203, etc., but is not limited thereto.

In step S604, the service logic control unit 205 is queried by the next generation multimedia subsystem network (NGN/IMS) 105 to the debit unit 203 in the service sub-system 200 for the balance in the debit account of the account 108. The account 108 is an account 108 for dialing a non-restricted number, but is not limited thereto.

In step S605, if there is still a balance in the debit account of the account 108, the service logic control unit 205 allows the account 108 having the one-time session initiation agreement account to sequentially pass the next generation multimedia subsystem. The network (NGN/IMS) 105 and the public switched telephone network (PSTN) 106 make a call and ring to the receiving device 102, or sequentially pass through the next generation multimedia subsystem network (NGN/IMS) 105 and the public mobile phone. The network (PLMN) 107 makes a call and ring to the receiving device 102.

In step S606, after the receiving device 102 answers the answer, the receiving device 102 makes a call with the account 108 that made the call.

In step S607, the service logic control unit 205 causes the application to detect whether the call is ongoing.

In step S608, the service logic control unit 205 requests the debit unit 203 through the next generation multimedia subsystem network (NGN/IMS) 105 to debit the account 108 of the account that made the call according to the set rate rule. Instantly debit the cost of the call and ask if there is a balance.

In step S609, the steps S607 and S608 are continuously repeated until the end of the call or the debit account of the account 108 that made the call has a balance.

In step S610, after the call ends, the service logic control unit 205 requests the debit unit 203 through the next generation multimedia subsystem network (NGN/IMS) 105 to perform an account for the call according to the set rate rule. The debit account of 108 is deducted immediately.

The system and method for the wireless public telephone application of the present invention further provide five practical application examples, wherein the wireless network (Wi-Fi) of the China Telecom is said to have a wireless network connected to the Internet. Road, detailed application examples are as follows: As shown in FIG. 7, a schematic architecture diagram of a practical application of the system and method for using the wireless public telephone application of the present invention in the case of a poor base station signal. When the user drives to a remote area and needs to contact the outside world, but the mobile phone cannot be dialed out due to the poor signal of the base station, if the nearby public kiosk 301 provides the hotspot of the Wi-Fi wireless network (Wi-Fi), use The mobile phone can be used to connect the China Telecom's wireless network (Wi-Fi) hotspot provided by the public kiosk 301 and connected to the previous generation multimedia subsystem network (NGN/IMS) 105. After the authentication and stored value of the public application in the mobile phone, the public application can use the public mobile telephone network (PLMN) 107 to make a mobile phone 402, or use the public switched telephone network (PSTN) 106 to make a call. City telephone 401.

As shown in FIG. 8, it is a schematic architecture diagram of a practical application of a system and method for a foreign subscriber to use the wireless public telephone application of the present invention at an airport. When a foreign user travels to Taiwan and wants to inform Taiwan colleagues to pick up the plane at the airport 302, but does not want to spend the cost of international calls, foreign users can use the mobile phone to connect the China Telecom's wireless network provided by the airport. The (Wi-Fi) hotspot is connected to the last generation of Multimedia Subsystem Network (NGN/IMS) 105, and after completing the authentication and stored value of the public application installed on the mobile phone, the public can be announced. The application uses the Public Mobile Phone Network (PLMN) 107 to make a mobile phone 402 to a Taiwanese colleague or use the Public Switched Telephone Network (PSTN) 106 to make a local call 401 to a Taiwanese colleague. Therefore, the foreign user's mobile phone does not need to be replaced with a local Subscriber Identity Module (SIM card) to make a local call and ask a colleague to pick up the airport.

As shown in FIG. 9, a schematic architecture diagram of a practical application of the system and method for using the wireless public telephone application of the present invention in the case where the base station is inoperable (for example, a concert year, a disaster area...). When the user participates in the concert of the Taipei City Masters Symposium 303 to contact the family, the wireless communication network (Wi-Fi) of Chunghwa Telecom is not available because of the limited communication capacity of the base station. Hotspots, users can use the mobile phone to connect to Chunghwa Telecom's wireless network (Wi-Fi) hotspot and connect to the last generation multimedia subsystem network (NGN/IMS) 105, and complete the piggybacking in the mobile phone. After the authentication and stored value of the public application, the public application can use the public mobile telephone network (PLMN) 107 to make a mobile phone 402 to call the family or use the public switched telephone network (PSTN) 106 to make a local call. 401 to the family, successfully contact the family.

As shown in FIG. 10, it is a schematic architecture diagram of a practical application of the system and method for using the wireless public telephone application of the present invention in the case where the mobile phone prepaid card credit is exhausted. When the user misses the last bus due to the class, he wants to contact the family to pick up the phone. However, because the mobile phone prepaid card amount just runs out and cannot be contacted, the user can use the mobile phone to connect to the convenience store 304 (such as 7-ELEVEN). Provided by China Telecom's wireless network (Wi-Fi) hotspot and connected to the last generation of multimedia subsystem network (NGN/IMS) 105, and completed the authentication and storage of the public application installed on the mobile phone After the value is applied, the public application can use the public mobile telephone network (PLMN) 107 to make a mobile phone 402 to call the family or use the public switched telephone network (PSTN) 106 to call the local telephone 401 to the family to explain the original family member. Drive to pick up the user.

As shown in FIG. 11, the system and method for using the wireless public telephone application of the present invention are provided in a public kiosk 301 provided with a camera 305 and a hotspot for providing wireless communication (Wi-Fi) of Chunghwa Telecom. For example, the 850 protects the schematic architecture of the actual application of your service line. When the user wants to take a taxi home late at night, the user can use the mobile phone to connect to the nearby Wi-Fi hotspot (Wi-Fi) hotspot and connect to the last generation multimedia subsystem network (NGN). /IMS) 105, and after completing the authentication of the public application installed in the mobile phone, the user can use the public mobile telephone network (PLMN) 107 or the public switched telephone network (PSTN) for the public application. 106, for example, "850", "850XXX" or "850XXXX" (example: the license plate number is AO-9820, please dial 850+9820+ on the mobile phone) to the service system 403, the service system 403 will record the user this time. The calling number/authentication account number, the calling time, the license plate number, the location of the kiosk 301 at the time of the call, and the image recorded by the camera 305 are recorded and stored for, for example, 6 months.

It can be seen from the above that the calling device of the present invention is equipped with the wireless network (Wi-Fi) connected to the Internet through the connection, and is connected to the network device of the previous generation multimedia subsystem (NGN/IMS). The public application in the wireless network (Wi-Fi) signal can make a mobile or local call, making the public application an extension of the wireless public telephone to improve the convenience of public telephone use. And to achieve the purpose of calling local calls or exempting international roaming.

The above embodiments are intended to illustrate the principles of the invention and its effects, and are not intended to limit the invention. Anyone who is familiar with this skill can The above embodiments are modified without departing from the spirit and scope of the invention. Therefore, the scope of protection of the present invention should be as set forth in the appended claims.

Claims (10)

A system for a wireless public telephone application, comprising: a calling device, which is equipped with a public application; and a service secondary system, comprising: a service opening unit, wherein the calling device executes the public application after the calling device The service activation unit registers to obtain an account of the service sub-system, and the service sub-system is used when the public application is logged into the account; the registration unit is used to distribute a one-time conversation with a call and a call. Initiating a contract account to the account; and a service logic control unit for receiving a call request made by the account in the public application to allow the account having the one-time session initiation agreement account to make a local call or action The call is made to the receiving device. The system of claim 1, wherein the service sub-system further comprises: a debit unit for adding a debit account of the account; and a stored value unit for receiving and checking the account. The amount of money to be stored and the payment medium proposed in the public application to store the value of the value to be stored in the debit account when the payment medium is checked as correct. The system of claim 2, wherein the service logic control unit checks, to the debit unit, a balance of the account having the one-time session initiation agreement account in the debit account, so that the balance exceeds At a predetermined amount, the service logic control unit allows an account having the one-time session initiation agreement account to make a call to the mobile device or the local call to the receiving device. The system of claim 2, wherein the service logic control unit requests the debit unit to immediately debit the debit account of the account in which the call is made according to the prescribed rate rule. The system of claim 1, further comprising a camera and a service system for the camera to transmit the recorded image to the service system. A method for a wireless public telephone application includes the following steps: (1) causing a calling device to execute a public application to register with a service provisioning unit in a service subsystem to use an account of the service subsystem, The application uses the service subsystem when logging into the account; (2) using the account to request a one-time session initiation agreement account to the registration unit in the service subsystem; (3) initiating the agreement account according to the one-time session Causing the account to make a call request to the service logic control unit in the service subsystem via the wireless network and the next generation multimedia subsystem; and (4) having the service logic control unit permit the account with the one-time session initiation agreement The account dials a local or mobile phone to make a call to the receiving device. The method of claim 6, wherein the step (1) and the step (2) further comprise the step of: causing the service provisioning unit to debit the unit in the service subsystem. Requiring to add the debit account of the account; and using the account to provide the stored value unit and the payment medium to the stored value unit in the service sub-system, after the stored value unit checks that the payment medium is correct, the desire is The stored value amount is stored in the debit account. The method of claim 7, wherein the step (3) and the step (4) further comprise the step of: checking, by the service logic control unit, the debit unit with the one-time conversation The balance of the account of the agreement account is initiated in the debit account, so that the step (4) is performed when the balance exceeds a predetermined amount. For example, in the method of claim 7, after the step (4) is executed, the method further includes the following steps: (5) ending the call, so that the service logic control unit requests the debit unit to be based on the set rate. The rule immediately debits the debit account of the account that ended the call. The method of claim 7, wherein the step (4) further comprises: causing the service logic control unit to continuously check the debit unit for debiting the account for the call during the time spent in the call. The balance of the account, and the request to the debit unit to charge the debit account immediately according to the prescribed rate rule, the time spent on the call, so that the account whose balance exceeds a predetermined amount can continue to hold the call.