JPH1098563A - Key telephone system with telephone charge calculating function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable calculating telephone charge, that is, incoming call charging for a toll-free call service by providing an originating telephone number receiving means and a telephone charge calculating means which calculates telephone charge from an originating telephone number and a call time duration. SOLUTION: Call incoming to an analog telephone line 30 is detected by a trunk line I/F part 70, a device control part 40 controls an originating telephone number extracting part 21 inside the trunk line I/F part 20 and the originating telephone number included in a call signal is extracted and received. The device control part 40 connects a voice bus, a telephone charge calculating part 60 receives bus connecting information so as to start counting the call time, distance between a caller and a key telephone system 10 is calculated by the originating telephone number and the telephone number of the key telephone system 10 based on telephone number information of the analog telephone line 100 and telephone charge per unit time, that is, a telephone charge coefficient is calculated. The device control part 40 refers to the call time duration to be counted by the telephone charge calculating part 60 and transmits calculated telephone charge to LCD 21 of a key telephone system 120 together with the passage of the call time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a key telephone apparatus having a telephone charge calculating function, and more particularly to a key telephone apparatus having a function of calculating a telephone charge by a receiving side billing service.

[0002]

2. Description of the Related Art A conventional key telephone apparatus has a function of calculating a call charge from the dial information of an extension telephone at the time of making a call, that is, the telephone number and call time information of the other party.

[0003]

However, when a call is received via a normal analog line, the telephone number of the caller cannot be obtained. Was limited to only. Therefore, if the key telephone device accommodates a so-called toll-free line, which is a caller-side billing service in which the caller pays a call charge by dialing a specific number, the call charge on the line is dialed. It could not be calculated due to lack of information.

In order to solve the problem of charging on the receiving side, a toll-free terminal device described in Japanese Patent Application Laid-Open No. Hei 5-14548 disconnects a line without receiving a response when a call arrives, and disconnects the line from the ISDN network when the call arrives. The terminal device side calls the notified caller number again. Therefore, such a terminal device does not correspond to the free dial service itself, and the above-mentioned problem cannot be solved.

[0005] It is an object of the present invention to provide a button telephone apparatus with a call charge calculation function capable of calculating a call charge by a free dial service, that is, a charge on the called side.

[0006]

In order to achieve the above-mentioned object, a key telephone apparatus with a call charge calculation function according to the present invention is provided with a caller ID notification service using an analog line and an I-type telephone service.
An outgoing telephone number receiving means for receiving an outgoing telephone number notified from an analog network or an ISDN network at the time of an incoming call by using a caller ID notification via an SDN line, and a call charge based on the outgoing telephone number and the talk time of the call And a call charge calculating means for calculating the call charge by the receiving side billing service, and displaying the calculated call charge on the display means. Here, the outgoing telephone number receiving means includes all means for receiving the telephone number of the other party in accordance with the communication protocol of the caller number notification service using an analog line. That is, the telephone number information of the caller included in the call signal from the exchange at the time of the incoming call is extracted. Also, when using ISDN, ISD
It includes means for extracting the calling number included in the call setup message Setup sent from the N line.

The call charge calculating means includes all means for calculating a call charge from the telephone number of a caller who has made a call using the receiving side billing service and the call time.
In particular, the button telephone apparatus with a call charge calculation function according to claim 2 is configured such that the caller and the key telephone are used based on the telephone number received by the telephone number receiving means and the telephone number of the key telephone apparatus registered in advance. A call rate coefficient calculating means for calculating a distance to the device and calculating a call charge per unit time, a call time counting means for counting a call time of the call from the time of the incoming call, and a call rate coefficient calculating means. A call charge calculating means for calculating a call charge of the call from the calculated call charge per unit time and the call time counted by the call time counting means. Thus, by receiving the calling telephone number from the network, it is possible to calculate the call charge by the receiving side billing service such as toll free.

[0008] The display means for displaying the call charge calculated by the call charge calculation means means an information display device such as a liquid crystal display (LCD) or a CRT, and is integrated with the key telephone device or the key telephone. It doesn't matter. As a result, it is possible to display the call charge by the receiving side billing service in real time.

According to a third aspect of the present invention, there is provided a button telephone apparatus with a call charge calculation function, which records the call telephone number received by the call telephone number receiving means and the call charge calculated by the call charge calculation means. It is characterized by having charging data storage means. Here, the billing data storage means is a medium for recording information, for example, RA
M or a hard disk, a floppy disk, a magneto-optical disk, or a magnetic tape. As a result, the button telephone device with the call charge calculation function can record the call charge of the call by the receiving side billing service.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of a key telephone apparatus with a call charge calculation function according to the present invention (hereinafter referred to as a key telephone apparatus). According to FIG. 1, a key telephone apparatus 10 includes a central office interface (I / F) unit 20 connected to an analog telephone line 100.
ISDN line I / F section 3 connected to SDN line 110
0, a device control unit 40 for controlling the entire key telephone device,
Analog telephone line 100 according to the instruction of device control unit 40
Or a switch unit 50 for making a path connection between the ISDN line 110 and the key telephone 120, and a call charge calculation unit 6
0, a billing data storage unit 70, a telephone I / F unit 80, and a printer I / F unit 90.

The office line interface (I / F) section 20 and the ISDN line I / F section 30 have a plurality of analog telephone lines 100 and a plurality of ISDN lines 110, respectively.
Is connected, and the key telephone apparatus 10 can support both an analog line and an ISDN line. Office line interface (I / F) unit 2
The 0 and ISDN line I / F units 30 include outgoing telephone number extraction units 21 and 31, respectively. These outgoing telephone number extraction units 21 and 31 function as outgoing telephone number receiving means for receiving outgoing telephone numbers notified from the analog network and the ISDN network at the time of an incoming call, respectively.
More specifically, the outgoing telephone number extracting unit 21 receives the telephone number of the caller at the time of an incoming call corresponding to the caller service by the analog line, and the outgoing telephone number extracting unit 31 sets the call setting transmitted from the ISDN line 31. The calling number included in the message Setup is extracted.

The apparatus control section 40 controls the entire key telephone apparatus 10 such as an incoming call process and a calculation of a call charge, as will be described later. The call charge calculation unit 60 calculates a call charge from each piece of information, and the charging data storage unit 70 stores the calculated result. On the other hand, the key telephone 120 connected to the telephone I / F unit 80 includes a liquid crystal display (LCD) 121 serving as a display unit for displaying information such as a call charge. Further, a printer 130 is connected to the printer I / F unit 90 for outputting data such as call charges.

Next, the operation of the key telephone apparatus according to the embodiment will be described with reference to FIG. Here, it is assumed that an outgoing telephone number notification service using an analog telephone line is performed, and a case where an incoming call is received through the analog telephone line 30 will be described for simplicity.

When there is an incoming call on one of the analog telephone lines 30, the line I / F unit 70 detects this incoming call and sends out the incoming call information to the device control unit 40 to notify that there is an incoming call. . The device control unit 40 that has received the incoming call information transmits the station line I /
It controls the originating telephone number extracting unit 21 in the F unit 20 to extract the originating telephone number information included in the incoming call signal and receive it. The outgoing telephone number information thus received is sent from the device control unit 40 to the call charge calculation unit 60. Further, the device control unit 40 performs a normal incoming call process,
The switch unit 50 is controlled to connect a voice path between the analog telephone line 100 and the key telephone 120. At this time, the device control unit 40 sends the path connection information to the call charge calculation unit 60 at the same time as connecting the voice path. The call charge calculation unit 60 starts counting the call time by receiving the path connection information.

On the other hand, based on the telephone number information of the analog telephone line 100 registered in advance, the call charge calculating section 60 having received the telephone number information of the telephone calls the caller and the telephone number of the key telephone apparatus 10 with the caller. The distance from the key telephone device 10 is calculated, and a call charge per unit time, that is, a call charge coefficient is calculated. The call charge coefficient thus calculated is sent to the device control unit 40.
The device control unit 40 having received the call charge coefficient refers to the call time counted by the call charge calculation unit 60, calculates the call charge as the call time elapses, and sends the call charge to the LCD 121 of the key telephone 120. As a result, the call fee is displayed on the LCD 21 in real time.

Thereafter, when the call is terminated, the device control section 40 detects the on-hook of the key telephone 120. The device control unit 40 that has detected the on-hook transmits the call termination information to the call charge calculation unit 60. The call charge calculation unit 60 that has received the call end information ends the counting of the call time, obtains the call time information, and calculates the product of the call time and the call charge coefficient calculated earlier to obtain the call charge. Calculate call charges. The call charges calculated in this way are sent to the charging data storage unit 70 via the device control unit 40 and stored. The billing data stored in the billing data storage unit 70 includes the call start date and time,
The information includes a call time, a caller's telephone number, a telephone number of a received analog telephone line, and the like.

When the user of the key telephone apparatus 10 wants to know information on the call charge, he or she needs to use the key telephone 120.
Is operated, a request for displaying a call charge is issued to the device control unit 40. Upon receiving the request, the device control unit 40
Data is taken out from the billing data storage unit 70 and edited,
It is output to the printer 130 via the printer I / F unit 90.

As described above, the key telephone apparatus according to the present embodiment extracts the calling telephone number information using the calling telephone number notification service via the analog telephone line, thereby making it possible to charge the called party such as toll free. It is possible to calculate a call charge by the service and display and record the calculated charge.

In the above description, the case where there is an incoming call on the analog telephone line 100 has been described.
The operation when there is an incoming call from 10 is as follows. That is, after the ISDN line I / F unit 30 detects an incoming call, the call setup message S sent from the ISDN line
The outgoing telephone number information included in the "setup" is received by the outgoing telephone number extracting unit. The process of calculating the call charge based on the calling telephone number information and storing the billing data is the same as described above.

In the present embodiment, the description has been given assuming that the device control unit 40 calculates the call charge as the call time elapses. However, such a real-time call charge calculation function is provided to the call charge calculation unit 60. May be carried. The information displayed on the display means and the information recorded on the billing data storage means may be, for example, a call time, a call time, a caller telephone number, etc., but are not limited to these. Not even. In addition, the call charge for a normal call that does not depend on the called side billing service,
It can be calculated from the telephone number dialed from the key telephone 120 at the time of departure and the telephone number of the key telephone device 10.

The key telephone apparatus 10 as described above is shown in FIG.
It can be realized by a hardware configuration as shown in FIG. That is, the key telephone device 10 includes a central processing unit (CPU) 210, a ROM 220, an interface (I / F) 230, a data analysis unit 240, and a timer 25.
0, a memory 260, an external storage device 270, and a bus 280 used for exchanging data and control codes between these devices.

The main control operation of the device control unit 40 is C
PU210, the control unit program of which is R
It is stored in the OM 220. The I / F 230 is connected to the station line I
/ F section 100, ISDN line I / F section 110, telephone I
/ F unit 80 and various I / Fs of the printer I / F unit 90. The CPU 210 also performs calculations for calculating a call charge based on data in the memory 260. The data analysis unit 240 analyzes data obtained at the time of incoming via the local line I / F unit 100 or the ISDN line I / F unit 110, and analyzes the analog telephone line 100 or the ISDN line 11
It functions as the outgoing telephone number extracting units 21 and 31 that extract outgoing telephone number information from 0. The timer 250 is used to measure a start time of a call and a call time. Memory 2
Reference numeral 60 stores information related to call charge calculation, such as a caller telephone number and a call charge coefficient. Further, the external storage device 270 corresponds to the billing data storage unit 70 for storing billing information, and may use a hard disk, a magneto-optical disk, a magnetic tape, or the like.

FIG. 3 is a schematic diagram showing the contents stored in memory 260 for storing information related to call charge calculation. The memory 260 stores in advance a called telephone number, that is, a telephone number of the key telephone device 10, and telephone number / distance information indicating a distance from the called telephone number and the caller telephone number to the caller. Further, the information stored in the memory 260 includes a caller telephone number received / extracted by the data analysis unit 240, a line number received, a call charge coefficient, a call start time, a call end time, and the like. The call charge calculated by the CPU 210 is also stored in the memory 260.

By referring to the contents stored in the memory 260, billing data such as a call charge can be displayed on the LCD 121 of the key telephone 120. The above-mentioned data is used as billing data in the external storage device 27.
0 as well as being stored, and the printer 13
It can also be output to 0.

[0025]

According to the present invention, when an analog line is used, the outgoing telephone number information received from the network is used in correspondence with the caller ID notification service by the analog line which will be started in the future. Call distance per unit time can be calculated by calculating the distance from the source to the destination, so even if the key telephone device accommodates a billing service on the called side, a so-called toll-free line, the call fee is calculated. can do. Further, when ISDN is used, the calling number included in the call setup message Setup sent from the ISDN line can be extracted, and the call charge by the receiving side billing service can be similarly calculated.

Moreover, according to the present invention, the call charge by the receiving-side billing service can be individually calculated at the same time as the end of the call, so that the call charge by the receiving-side billing service can be displayed in real time.

Furthermore, according to the button telephone apparatus with a call charge calculation function described in claim 3, it is possible to record and accumulate the charge data including the call charge by the receiving side billing service, and it is possible to record the charge data by the free dial or the like. It is also possible to charge the caller individually to the caller.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of a key telephone apparatus with a call charge calculation function according to the present invention.

FIG. 2 is a diagram showing an example of a hardware configuration of a key telephone apparatus with a call charge calculation function according to the present invention.

FIG. 3 is a schematic diagram showing storage contents of a memory.

[Explanation of symbols]

10: Button telephone device with call charge calculation function, 20: Office line I / F unit, 30: ISDN line I / F unit, 21, 31 ...
Outgoing telephone number extraction unit, 40: device control unit, 50 switch unit, 60: call charge calculation unit, 70: billing data storage unit
80: telephone I / F, 90: printer I / F, 10
0: Analog telephone line, 110: ISDN line, 120
... key telephone, 121 ... LCD, 210 ... CPU, 2
20 ROM, 230 I / F, 240 data analysis unit, 250 timer, 260 memory, 270 external storage device, 280 bus.

Claims (3)

[Claims] 1. A key telephone apparatus with a call charge calculation function, comprising: an originating telephone number receiving means for receiving an originating telephone number notified from a network when an incoming call is received; an originating telephone number received by the originating telephone number receiving means; A call charge calculation function, comprising: a call charge calculation unit for calculating a call charge by a receiving side billing service from a call time of a call; and a display unit for displaying the call charge calculated by the call charge calculation unit. Button telephone equipment. 2. The button telephone device with a call charge calculating function according to claim 1, wherein said call charge calculating means comprises: a telephone number received by said calling telephone number receiving means; A call rate coefficient calculating means for calculating a distance between a caller and the key telephone apparatus from a telephone number of the apparatus and calculating a call charge per unit time; and a call time for counting a call time of the call from the time of the incoming call Counting means, and call charge calculating means for calculating the call charge of the call from the call charge per unit time calculated by the call charge coefficient calculating means and the call time counted by the call time counting means. Characteristic button telephone device with call charge calculation function. 3. The button telephone apparatus with a call charge calculation function according to claim 1, wherein the call telephone number received by said call telephone number receiving means and the call calculated by said call charge calculation means. A key telephone apparatus with a call charge calculation function, comprising a charge data storage unit for recording a charge.