JP2008263485A - Telephone rate charging system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a telephone rate charging system for achieving the diversification of supplementary services by using difference between a calling rate that does not occur actually and a calling rate that occurs actually. <P>SOLUTION: The telephone rate charging system is provided with: a telephone call information generating means for generating telephone call information when one subscriber is tied to two or more telephone numbers tied to a telephone line, a caller dials one telephone number among them to make a call to a telephone line, to which at least one telephone number is tied, is called, and the subscriber answers and makes a telephone call; a calling rate calculating means for calculating a first telephone rate on the basis of telephone call time, a number based on a dialed telephone number, or the like, calculating a second calling rate on the basis of the telephone call time, a number based on a telephone number, or the like tied to the telephone line to which the subscriber answers and generating calling rate information; and a charging processing means for executing prescribed processing for providing a server to the subscriber on the basis of a difference of the both calling rates. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a call charge that would have been incurred when a caller responded by a call with a telephone line to which a telephone number dialed was associated, and a call charge incurred by a call with a telephone line that actually responded This is related to a telephone fee billing system for diversifying additional services by calculating the difference between the two.

  Conventionally, when a certain telephone number is dialed, a telephone transfer service has been provided that transfers the call to another telephone number (transfer destination) registered in advance for the telephone number (transfer source). In such a service, since network resources from the caller to the transfer source and network resources from the transfer source to the transfer destination are used, it is necessary to charge a call charge as each network resource usage fee. .

  When charging for this call charge, the caller does not know whether the call for the dialed telephone number is forwarded or to which telephone number, so that the caller forwards the call and the transfer origin It is not appropriate to charge the calling party for the total call charge up to the transfer destination.

  On the other hand, in Japan, telephone numbers are assigned systematically. From the telephone number, whether the telephone line is a fixed telephone line, a mobile telephone line, or a fixed telephone number, It is structured so that it can be seen whether it is a local fixed telephone line. For example, it is understood that 03-XXXX-XXXX is a fixed telephone line in Tokyo, 06-XXXX-XXXX is a fixed telephone line in Osaka, and 090-XXXX-XXXX is a mobile telephone line. .

  With this systematic telephone number assignment, the caller can predict how much the call charges will be incurred depending on the dialed telephone number. The caller is charged for the call charge from the caller to the transfer source. On the other hand, since the subscriber of the transfer service, which is the transfer source, can enjoy the convenience of the telephone transfer service, the transfer source charges the call fee from the transfer source to the transfer destination.

  However, in this case, the transfer service subscriber must always pay the call charge from the transfer source to the transfer destination, which is a heavy burden on the transfer service subscriber.

  Next, one special personal number is assigned to one subscriber, and a plurality of telephone numbers used by the subscriber are linked to the one personal number, so that a third party can give the subscriber a specific number. When making a call, if a call is made to the personal number, a multi-phone number calling service has been provided in which a transfer call is sequentially made to each of the telephone numbers associated with the personal number. A normal telephone number is linked to a telephone line, whereas a personal number is indirectly linked to a telephone line via a linked normal telephone number. They differ in that they are not directly tied to a telephone line. Also, since the personal number is a special number, it is different from a normal telephone number in that it cannot be predicted how much call charge will be generated.

  In this case, a call charge from the caller to the personal number is usually charged to the caller, but since a special personal number is used, the caller predicts how much call charge will be incurred. It was difficult to do and inconvenient for the caller. Also, since the caller cannot predict the call charge from the personal number to the telephone number of the telephone line that responds, the call charge from the personal number to the telephone line of the telephone line that responds is always charged to the subscriber. The Therefore, even in this case, the burden on the subscriber was great.

  The present invention solves the above-mentioned problems, pays attention to the advantages of a planned telephone number that allows the caller to predict the charges, and calls that have not actually occurred and have actually occurred A telephone charge billing system is provided to realize diversification of additional services with the difference from the call charge.

  In the telephone billing system that achieves the above object, one subscriber is linked to two or more telephone numbers each linked to a telephone line, and a caller calls the two subscribers to make a call with the subscriber. By dialing one of the above telephone numbers, a telephone line associated with at least one of the two or more telephone numbers is called, and among the called telephone lines A telephone charge billing system for charging a telephone charge when the subscriber makes a call in response to one of the following: call information generating means for generating call information including a call time of the call, and the call Call information is acquired from the information generation means, and a first call charge is calculated based on a call time included in the call information, a number based on the caller's telephone number, and a number based on the dialed telephone number Calculating a second call charge based on a call time included in the call information, a number based on the telephone number of the caller, and a number based on the telephone number associated with the telephone line to which the subscriber responds, Call charge calculation means for generating call charge information, and the call charge information is acquired from the call charge calculation means, the first call charge and the second call charge are compared, and it is determined that a difference has occurred. And charging processing means for providing a service to the subscriber based on the difference.

  The billing processing means in the above invention charges the subscriber based on the difference when the second call charge is larger than the first call charge, and when the second call charge is smaller than the first call charge, A return process may be performed on the subscriber based on the difference.

  In addition, the reduction process in the above invention may be such that points used for services to the subscriber are given to the subscriber based on the difference.

  Furthermore, the reduction process in the above invention may be cashed back to the subscriber at least a part of the difference.

  A telephone system for achieving the above object was dialed by a caller and a database for storing data linking one subscriber to a number based on two or more telephone numbers each associated with a telephone line. Detecting a number based on a telephone number, accessing the database and at least one of the numbers based on the two or more telephone numbers associated with a subscriber associated with the number based on the dialed telephone number And call processing means for calling a telephone line associated with the acquired number, and when a subscriber makes a call in response to one of the called telephone lines, Call information generating means for generating call information including the call time of the call, call information is acquired from the call information generating means, and the call time and caller included in the call information A first call charge is calculated based on the number based on the telephone number and the number based on the dialed telephone number, and the call time included in the call information, the number based on the caller's telephone number, and the subscriber The second call charge is calculated based on the number based on the telephone number associated with the telephone line that has responded, the call charge calculating means for generating the call charge information, and the call charge information is obtained from the call charge calculating means And a charge processing means for comparing the first call charge and the second call charge and providing a service to the subscriber based on the difference when it is determined that the difference has occurred.

  The billing processing means in the above invention charges the subscriber based on the difference when the second call charge is larger than the first call charge, and when the second call charge is smaller than the first call charge, A return process may be performed on the subscriber based on the difference.

  The telephone billing method for achieving the above object is that a subscriber is linked to two or more telephone numbers each linked to a telephone line, and a caller calls to make a call with the subscriber. By dialing one of the two or more telephone numbers, a telephone line associated with at least one of the two or more telephone numbers is called, and the called telephone line Charging a telephone fee when the subscriber makes a call in response to the call, wherein the call generation means generates call information including a call time of the call; The charge calculating means obtains call information from the call information generating means, and based on the call time included in the call information, the number based on the caller's telephone number, and the number based on the dialed telephone number. Call The second call charge is calculated based on the call time included in the call information, the number based on the caller's telephone number, and the number based on the telephone number associated with the telephone line to which the subscriber responds. And the charge processing means obtains the call charge information from the call charge calculation means, compares the first call charge and the second call charge, and the difference is calculated. Providing a service to the subscriber based on the difference, if determined to have occurred.

  The call processing method for achieving the above object comprises a step of preparing a database for storing data for linking one subscriber to a number based on two or more telephone numbers each associated with a telephone line; The processing means detects a number based on the telephone number dialed by the caller, accesses the database and connects the two or more associated with the subscribers associated with the number based on the dialed telephone number. Obtaining at least one of the telephone numbers based on the telephone number, calling a telephone line associated with the obtained number, and a subscriber responding by one telephone line of the called telephone lines. The call information generating means generates call information including the call time of the call, and the call charge calculating means passes from the call information generating means. Information is obtained, a first call charge is calculated based on a call time included in the call information, a number based on the caller's telephone number and a number based on the dialed telephone number, and is included in the call information A second call charge is calculated based on a call time, a number based on the telephone number of the caller, and a number based on the telephone number associated with the telephone line to which the subscriber responds, thereby generating call charge information And when the charge processing means obtains the call charge information from the call charge calculation means, compares the first call charge and the second call charge, and determines that a difference has occurred, Providing a service to the subscriber based on.

  A program for achieving the above-described object is a program in which one subscriber is linked to two or more telephone numbers each linked to a telephone line, and a caller calls the two or more telephones to make a call with the subscriber. By dialing one of the telephone numbers, a telephone line associated with at least one of the two or more telephone numbers is called, and the telephone lines of the called telephone lines are A call information generation procedure for generating call information including a call time of the call in a computer included in a telephone charge billing system that charges a call charge when the subscriber makes a call in response to the call; The first call charge is calculated based on the call time included in the call information, the number based on the caller's telephone number, and the number based on the dialed telephone number, and the call is included in the call information. Call charge calculation for calculating the second call charge based on the number based on the caller's telephone number and the number based on the telephone number associated with the telephone line to which the subscriber responds, and generating call charge information A charge processing procedure for comparing the first call charge and the second call charge and providing a service to the subscriber based on the difference when it is determined that a difference has occurred. .

  A program for achieving the above object is provided in a computer included in a telephone system including a database that stores data for linking one subscriber to a number based on two or more telephone numbers each associated with a telephone line. Detecting a number based on a telephone number dialed by a caller and accessing the database to the two or more telephone numbers associated with a subscriber associated with the number based on the dialed telephone number A call processing procedure for acquiring at least one of the numbers based on the number and calling a telephone line associated with the acquired number, and a call answered by a subscriber through one of the called telephone lines Call information generation procedure for generating call information including the call time of the call, the call time included in the call information, the caller's The first call charge is calculated based on the number based on the talk number and the number based on the dialed telephone number, and the call time included in the call information, the number based on the caller's telephone number, and the subscriber A call charge calculation procedure for calculating a second call charge based on a number based on a telephone number associated with the responded telephone line and generating call charge information; a first call charge and a second call charge; And when it is determined that a difference has occurred, a charging processing procedure for providing a service to the subscriber based on the difference is executed.

  In the prior art, only the call charges actually generated have always been calculated and charged to the caller. On the other hand, the present invention relates to a call charge that would have occurred when a telephone number dialed by a caller was answered by a telephone line associated with the telephone number, and a call that occurred in response to a telephone line that actually responded It is possible to diversify additional services by calculating the difference between charges.

  With the present invention, it is possible to call a caller by dialing a common telephone number, and to charge the caller based on the general telephone number, Call charges can be predicted in advance, and inconvenience for the caller can be eliminated. The called party can obtain the convenience of being able to select a telephone line that responds for his / her convenience, and can also obtain benefits such as a reduction in call charge burden by his / her selection.

  FIG. 1 shows a system configuration of an embodiment of the present invention in a multiple telephone number calling system, and FIG. 2 shows a flowchart of call processing and billing processing in this embodiment.

  In the system of the present embodiment, the user A who is a user of the mobile phone 40 is also a user of the fixed phone 50, and the user A is a subscriber of a service provided by the multiple telephone number calling system. That is, in this system, the telephone number “090-CCCC-CCCC” of the mobile phone 40 is associated with the telephone number “03-DDDD-DDDD” of the fixed telephone 50, and a call is made to one of them. When this is done, a multi-phone number calling service is provided for making a call to the other telephone set.

In FIG. 1, a network 10 ₁ is a mobile phone network to which a mobile phone 40 is connected, a network 10 ₂ is a fixed phone network to which a fixed phone 50 is connected, and these networks 10 ₁ and 10 ₂ are called calls. via the processing means 20 is connected to the network 10 _3.

The call processing means 20 has a function of executing connection processing when a call is made to a telephone connected to the networks 10 ₁ and 10 ₂ . The call processing means 20 can be an exchange such as a gateway exchange.

  The call processing unit 20 is connected to a call information generating unit 30 and a subscriber database 60. When a call is made based on the processing of the call processing means 20, the call information generating means 30 has a call time, a number based on the calling telephone number, and a number based on a dialed number (dial number). And a function of generating call information including a number based on the telephone number associated with the response line. The call information may not include a number based on a calling telephone number, a number based on a dialed number (dial number), and a number based on a telephone number associated with a response line. Numbers based on these telephone numbers can be transmitted and received between each device in the telephone system in a known manner.

  The “number based on the telephone number” is a number used in the telephone system and generated based on the telephone number. For example, when a caller dials a telephone number “090-CCCC-CCCC”, the exchange in the telephone system generally deletes the first “0” and numbers “90-CCCC-CCCC”. The telephone system uses this number to perform call routing and call charge calculation. In this specification, a number used in such a telephone system is referred to as a “number based on a telephone number”. The number based on the telephone number may be the same as the telephone number.

  The call information can be call history information (CDR). A billing server 70 is connected to the call information generating means 30. This billing server 70 includes a call charge calculating means for calculating a call charge and a charge processing means for performing a charge process for a calling party and a called party.

  In addition to voice calls, the call may be data communication using a fax, data communication for sending / receiving an e-mail, or the like.

  In the subscriber database 60, numbers based on two or more telephone numbers each associated with a telephone line are stored in association with each subscriber. The number based on the stored telephone number is a number based on a telephone number associated with a telephone line that each subscriber desires to receive, and a telephone associated with a plurality of telephone lines like a so-called representative number. It may be a number based on the number. Further, when the subscriber is a company, its department, a group, a circle, or the like, the subscriber may not be an individual but an organization composed of a plurality of personnel. On the other hand, the telephone number itself is not associated with a telephone line, and a special personal number used only for association with another telephone number is not a telephone number associated with a telephone line.

For convenience, the network is described separately as 10 ₁ , 10 _2, and 10 ₃ , but the same network may be used depending on the configuration of the network, or it may be connected via another network. In the embodiment, these are omitted for easy understanding. Further, the call processing unit 20, the call information generation unit 30, the subscriber database 60, and the billing server 70 may be logically connected and may be arranged in any network. Each of the networks 10 ₁ , 10 _2, and 10 ₃ may be disposed respectively, or may be implemented in one network-connected device.

The telephone 80 used by the user B who is the caller is connected to the network 10 ₃ . The telephone number of the telephone 80 is “06-EEEE-EEEE”. Network 10 ₃ may be any type of network capable of connecting a telephone 80. The telephone 80 may be connected to the network 10 ₃ through a plurality of exchanges, other networks, etc., but in the present embodiment, these are omitted for the sake of easy understanding and are directly connected to the network 10 ₃ . A case of connection will be described.

  Hereinafter, the present invention when the user B of the telephone 80 calls the user A by dialing the telephone number “090-CCCC-CCCC” of the telephone line to which the mobile telephone 40 is assigned, with reference to the flowchart of FIG. Call processing and billing processing performed by the system will be described in detail.

  As described above, the user A is a user of the mobile phone 40 and the fixed phone 50 and is a subscriber of the multi-phone number calling service, and the telephone number “090” of the phone line of the mobile phone 40 is stored in the subscriber database 60. The number “90-CCCC-CCCC” based on “CCCC-CCCC” and the number “3-DDDD-DDDD” based on the telephone number “03-DDDD-DDDD” of the telephone line of the fixed telephone 50 are given to the user A It is linked and stored in advance.

  The user B who is a caller dials “090-CCCC-CCCC” which is the telephone number of the mobile phone 40 from the telephone 80 to make a call with the user A (S100). At this stage, user B knows that the dialing number is the number assigned to the telephone line of the mobile phone, so what is the call charge that would be incurred by a call with user A? Can be roughly predicted.

Dialing number "090-CCCC-CCCC", where the switch included in the network ₁₀₃ is converted into "90-CCCC-CCCC" connection request the call is routed. The number based on the calling telephone number is also acquired as “6-EEEE-EEEE” by the exchange and transmitted to the call processing means 20 together with the connection request. This routing process may be a normal routing process.

  The call processing means 20 that has received the connection request obtains the number “90-CCCC-CCCC” based on the telephone number of the dialed mobile phone 40 received in accordance with the connection request based on the call from the user B (S110). Then, the subscriber database 60 is accessed (S120), and it is confirmed whether or not the user A who uses the cellular phone 40 is a subscriber of this service (S130).

  When it is confirmed from the information in the subscriber database 60 that the user A is a subscriber of the service, the subscriber database 60 stores all the telephone numbers associated with the user A, in this embodiment, the mobile phone. The number “90-CCCC-CCCC” based on the telephone number of the device 40 and the number “3-DDDD-DDDD” based on the telephone number of the fixed telephone 60 are acquired, and the information is transmitted to the call processing means 20 (S140). ). If the called party is not a subscriber of this service, normal call processing is continued and the processing related to this service is terminated (S500).

  The call processing means 20 simultaneously calls the mobile phone 40 and the fixed phone 50 used by the user A based on the number based on the acquired telephone number (S150).

  In the present embodiment, the calling process of the mobile phone 40 and the fixed phone 50 is performed at the same time. However, when the fixed phone 50 is continuously called for a certain period of time but no response is received, the call of the fixed phone 50 is terminated. Then, the user A may register the subscriber database 60 in advance in the order of calling the mobile phone 40 and perform the sequential calls.

  Alternatively, the database 60 does not necessarily need to notify the call processing means 20 of all the numbers based on the telephone number associated with the user A, and only calls the number based on one telephone number selected by the user A. Notifying the means 20, the call processing means 20 may make a call based only on the number based on the telephone number. With such an embodiment of the present invention, a telephone transfer service is realized.

  By the calling process of S100 to S150, the mobile phone 40 and the fixed phone 50 are simultaneously received, and the user A can respond with a convenient phone (phone line) by his / her selection.

The user A responds with the fixed telephone 50, makes a call with the user B, and ends the call (S160). In the present embodiment, the phone 80 via the call processing means 20 to the fixed telephone 50, to be connected without passing through the network 10 ₁ dialed telephone number is assigned, to enable the network resource Can be used.

When the user A responds to the call from the user B by a fixed telephone 50, a fixed telephone 50 via the network 10 ₂ response signal to the call processing unit 20 is transmitted, the call processing means 20 to the portable telephone 40 End the call.

  When the call between the user A and the user B is terminated, the call information generating means 30 generates call information including the call time and the like (S170), and the number “6” based on the caller's telephone number is generated. -EEE-EEEE ", the number" 90-CCCC-CCCC "based on the dial number, and the number" 3-DDDD-DDDD "based on the telephone number of the telephone line that has responded are transmitted to the billing server 70.

The communication information does not need to be generated by one communication information generation unit, and the call information generation unit arranged in each of the networks 10 ₁ , 10 ₂ , and 10 ₃ uses the call information about the telephone line connected to each network. May be generated respectively.

  The billing server 70 checks whether the number based on the dial number is the same as the number based on the telephone number of the telephone line that has responded based on the information acquired from the call information generating means 30 (S180). In the present embodiment, the number based on the dial number is “90-CCCC-CCCC”, and the number based on the telephone number of the telephone line that has responded is “3-DDDD-DDDD”, so they are different. Therefore, the billing server 70 is generated if a call is made in response to the telephone line associated with the dial number based on the number based on the telephone number of the caller, the number based on the dial number, and the call duration. The first call charge that would have been calculated is calculated (S190), and the call is answered based on the number based on the telephone number of the caller, the number based on the telephone number of the answering telephone line, and the call duration. The second call charge actually generated by the response by the line is calculated (S200). In S180, if the number based on the dial number and the number based on the telephone number of the responding telephone line are the same, the number based on the telephone number of the caller, the number based on the dial number, and the call time Based on the above, the first call charge is calculated, the billing process (settlement process) is performed for the user B who is the caller, and the entire process is completed (S250).

  Following S200, billing server 70 checks whether the first call charge and the second call charge are equal (S210). In the present embodiment, it is assumed that the call charge when responding with the fixed telephone 50 is lower than the charge when responding with the mobile telephone 40, and the second call charge is the first call. Suppose that the price is lower than the price. Therefore, the first call charge is not equal to the second call charge, and thereafter, it is confirmed whether the first call charge is lower than the second call charge, and the difference is calculated (S220).

  Next, billing server 70 performs a return process on user A who is the called party based on the difference between the first call charge and the second call charge (S230). Here, the reduction process is a process for the service provider to cash back all or part of the difference to the user A. Further, the cash back process may be performed only when the accumulated total amount of the difference exceeds a certain amount. Furthermore, even if a point is given to the user A as a point for the free call of the user A, and the call fee discounted based on the point from the call fee generated by the next call made by the user A is charged. Good. Further, based on the points, additional value such as an additional paid service, a reduction in monthly fee, or preferential treatment of contract conditions may be provided.

  If the first call charge is higher than the second call charge in S220, the difference is charged to user A who is the called party (S240). Or you may replace with charge by subtracting the point according to the difference from the said point. As a part of the preferential service to the subscriber, the operator may bear the difference for the user who satisfies a certain condition.

  Even if the number based on the dial number and the number based on the telephone number of the responding telephone line are the same in S180, the billing server 70 has the same amount of the first call charge and the second call charge in S210. Even if it is different, the first call charge generated when the telephone number associated with the dial number is answered is charged to the user B who is the caller (S260). This billing process is processed as a normal inter-operator settlement when an incoming call is made across businesses. User B, who is the caller, knows that the other party to call by his call is a mobile phone at the stage of dialing, and predicts how much call charges will be incurred. No matter what the response number is, there is no problem with charging the first call charge based on the dial number.

  If a service subscriber answers a telephone line that incurs a higher call charge than the telephone line associated with the dial number, the caller is assumed to charge the difference to the service subscriber. Outside call charges are not charged. When a service subscriber responds through a telephone line that generates a lower charge than the telephone line associated with the dial number, the difference can be obtained by a return process. That is, the service subscriber can select his / her burden by selecting a telephone line to respond to. If the subscriber of the service responds with a mobile phone with a high call charge, he / she pays the difference as his / her convenience, and if the service subscriber responds with a fixed telephone with a low call charge, It is possible to obtain the difference instead of the inconvenience of having to move to.

  In the present embodiment, the case where two telephone numbers are linked to one subscriber (user A) has been described for easy understanding, but a plurality of telephone numbers greater than two are assigned to one subscriber. It is also possible to link to. The present invention can also be used by associating a telephone number of a fixed telephone in Tokyo and a fixed telephone in Osaka with a single subscriber, not limited to mobile phones and fixed telephones, but also in PHS, IP telephones and fixed telephones. It is. If the call processing means is an IP phone, it can be a soft switch.

The schematic block diagram of embodiment of this invention is shown. 2 shows a flowchart of call processing according to an embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Network 20 ... Call processing means 30 ... Call information generating means 40 ... Mobile phone 50 ... Fixed telephone 60 ... Subscriber database 70 ... Billing server 80 ...・ Telephone

Claims (10)

One subscriber is associated with two or more telephone numbers, each associated with a telephone line, and a caller can call one of the two or more telephone numbers to make a call with the subscriber. The telephone line associated with at least one of the two or more telephone numbers is called, and the subscriber responds by one of the called telephone lines. A telephone billing system that charges a telephone fee when a call is made,
Call information generating means for generating call information including a call time of the call;
Calculating a first call charge based on a call time, a number based on a caller's telephone number and a number based on the dialed telephone number included in the call information acquired from the call information generating means; Call charge information by calculating a second call charge based on the call time, the number based on the telephone number of the calling party, and the number based on the telephone number associated with the telephone line to which the subscriber responded Call charge calculation means for generating
The call charge information is obtained from the call charge calculating means, the first call charge and the second call charge are compared, and if it is determined that a difference has occurred, a service is provided to the subscriber based on the difference. Billing processing means for executing predetermined processing for providing;
A telephone fee billing system comprising:   When the second call charge is larger than the first call charge, the predetermined processing charges the subscriber based on the difference, and when the second call charge is smaller than the first call charge, the difference The telephone fee billing system according to claim 1, further comprising: performing a reduction process on the subscriber based on the telephone number.   The telephone charge billing system according to claim 2, wherein the reduction process includes giving the subscriber a point used for service to the subscriber based on the difference.   The telephone fee billing system according to claim 2, wherein the return process includes cashing back at least a part of the difference to the subscriber. A database that stores data linking one subscriber to a number based on two or more telephone numbers each associated with a telephone line;
Detecting a number based on a telephone number dialed by a caller and accessing the database to the two or more telephone numbers associated with a subscriber associated with the number based on the dialed telephone number Call processing means for acquiring at least one of the numbers based on the telephone number and calling a telephone line associated with the acquired number;
Call information generating means for generating call information including a call time of the call when a subscriber makes a call by one of the called telephone lines.
Calculating a first call charge based on a call time, a number based on a caller's telephone number and a number based on the dialed telephone number included in the call information acquired from the call information generating means; The second call charge is calculated based on the call time, the number based on the caller's telephone number, and the telephone number associated with the telephone line to which the subscriber responds, A call charge calculation means to be generated;
The call charge information is obtained from the call charge calculating means, the first call charge and the second call charge are compared, and if it is determined that a difference has occurred, a service is provided to the subscriber based on the difference. Billing processing means for executing predetermined processing for providing;
Phone system comprising.   When the second call charge is larger than the first call charge, the predetermined processing charges the subscriber based on the difference, and when the second call charge is smaller than the first call charge, the difference The telephone system according to claim 1, further comprising: performing a return process on the subscriber based on One subscriber is associated with two or more telephone numbers, each associated with a telephone line, and a caller can call one of the two or more telephone numbers to make a call with the subscriber. The telephone line associated with at least one of the two or more telephone numbers is called, and the subscriber responds by one of the called telephone lines. A method of charging a telephone fee when making a call,
Generating call information including the call duration of the call;
A first call charge is calculated based on a call time included in the call information, a number based on the telephone number of the caller and a number based on the dialed phone number, and the call time, call included in the call information is calculated. Calculating a second call charge based on a number based on the telephone number of the caller and a number based on the telephone number associated with the telephone line to which the subscriber responded, and generating call charge information;
Comparing the first call charge and the second call charge, and if it is determined that a difference has occurred, performing a predetermined process for providing a service to the subscriber based on the difference;
A telephone fee billing method comprising: Providing a database for storing data linking one subscriber to a number based on two or more telephone numbers each associated with a telephone line;
Detecting a number based on a telephone number dialed by a caller and accessing the database to the two or more telephone numbers associated with a subscriber associated with the number based on the dialed telephone number Obtaining at least one of the based numbers and calling a telephone line associated with the obtained number;
Generating a call information including a call time of the call when a subscriber makes a call in response to the call through one of the called telephone lines;
A first call charge is calculated based on a call time included in the call information, a number based on the telephone number of the caller and a number based on the dialed phone number, and the call time, call included in the call information is calculated. Calculating a second call charge based on a number based on the telephone number of the caller and a number based on the telephone number associated with the telephone line to which the subscriber responded, and generating call charge information;
Comparing the first call charge and the second call charge, and if it is determined that a difference has occurred, performing a predetermined process for providing a service to the subscriber based on the difference;
A call processing method comprising: One subscriber is associated with two or more telephone numbers, each associated with a telephone line, and a caller can call one of the two or more telephone numbers to make a call with the subscriber. The telephone line associated with at least one of the two or more telephone numbers is called, and the subscriber responds by one of the called telephone lines. To the computer included in the telephone billing system that charges the telephone fee when making a call,
A call information generation procedure for generating call information including a call duration of the call;
A first call charge is calculated based on a call time included in the call information, a number based on the telephone number of the caller and a number based on the dialed phone number, and the call time, call included in the call information is calculated. A call charge calculation procedure for generating a call charge information by calculating a second call charge based on a number based on a telephone number of the caller and a number based on a telephone number associated with a telephone line to which the subscriber responds; ,
Charge processing procedure for comparing a first call charge and a second call charge and executing a predetermined process for providing a service to the subscriber based on the difference when it is determined that a difference has occurred When,
A program characterized in that is executed. A computer included in a telephone system comprising a database that stores data linking one subscriber to a number based on two or more telephone numbers each associated with a telephone line;
Detecting a number based on a telephone number dialed by a caller and accessing the database to the two or more telephone numbers associated with a subscriber associated with the number based on the dialed telephone number A call processing procedure for acquiring at least one of the numbers based on the number and calling a telephone line associated with the acquired number;
A call information generating procedure for generating call information including a call time of the call when a subscriber makes a call by one telephone line among the called telephone lines;
A first call charge is calculated based on a call time included in the call information, a number based on the telephone number of the caller and a number based on the dialed phone number, and the call time, call included in the call information is calculated. A call charge calculation procedure for generating a call charge information by calculating a second call charge based on a number based on a telephone number of the caller and a number based on a telephone number associated with a telephone line to which the subscriber responds; ,
Charge processing procedure for comparing a first call charge and a second call charge and executing a predetermined process for providing a service to the subscriber based on the difference when it is determined that a difference has occurred When,
A program characterized in that is executed.

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