KR950002760B1 - Method of metering call charges - Google Patents

Abstract

The method used for a private exchanger, especially when the fee for using the telephone number is billed to each user when many users keep busy just one line of telephone numbers. This method comprises a step which first determines the type of telephone when the use of telephone comprises a step which first determines the type of telephone when the use of telephone line is permitted and then generates tone or music that asks the input of a secret number, a step which first detects the input secret number from the secret number table stored in a memory (3) after the secret number is inputted and then generates mistake tone, and a step which, right after the termination of talking, bills the fee for using the telephone by transferring data such as one's own telephone number, talking time, and so on to a toll adding device (6) in case of non-multiple toll checking telephone or bills the fee for using the telephone to each own number by sending data mentioned above to the toll adding device otherwise.

Description

Multiple charge method

1 is a system block diagram of an embodiment of the present invention.

2 is a flowchart according to an embodiment of the present invention, where (a) is a call start state flowchart and (b) is a call end state flowchart.

3 illustrates a subscriber's password table.

* Explanation of symbols for main parts of the drawings

1: control unit 2: central processing unit (CPU)

3: Memory (ROM, RAM) 4: Switch memory

5: tone control unit 6: charge climbing device

7 relay station 8: subscriber control unit

9: subscriber

The present invention relates to a private exchange, and more particularly, to a method for enabling a user to charge a fee for using a CO line when several users use a CO line with a single phone number.

In the conventional private exchange, only the number of CO line charges can be calculated for each user's unique number, but when multiple users use the CO line with one number, there is a disadvantage in that the CO line charges cannot be calculated individually. Therefore, when multiple users use the CO line with one number, it is required to calculate the usage fee for each user.

Therefore, an object of the present invention is to provide a method in which a number of subscribers can be charged differently to each subscriber of a number in a private exchange system.

Hereinafter, the operation of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a system block diagram according to the present invention, which controls a call throughout the system, and comprises a central processing unit (CPU) 2 and a memory (ROM, RAM) 3 storing a password table. And a switching memory unit 4 for communicating with the control unit 1, a tone control unit 5 for supplying various tones, a charge climbing device 6 for collecting charges for users and charging charges for each subscriber; A subsidiary station 7 which processes incoming calls, etc., and can input a password, unique subscriber information, etc. for each subscriber, a subscriber controller 8 which checks and reports the subscriber status, and a subscriber connection status for the telephone. It consists of the female part 9.

2 shows an operational flow according to the present invention.

If the subscriber dials the CO line call code and the CO line is available (step 100), it is determined whether the phone is a multi-charge phone (step 101). In the case of a general subscriber, the subscriber sends a dial tone to the CO line and uses it as before. In the case of inputting the password, the indicator generates a tone or music (step 102), and if all passwords have been entered (step 103), the password is retrieved from the password table (FIG. 3) stored in the memory 3 ( Step 104) If there is no registered password, a real tone is sent (step 105). If there is a password, a trunk line dial tone is given (step 106). At the end of the call, it is determined whether the multi-charging phone is recognized (step 108), and in the case of a general phone, the phone number and the trunk line phone number call time are sent to the fee climbing device 6 to calculate the fee (step 109). In the case of the phone, the unique number is found in the password table (step 110), and the phone number and the unique number call time are sent to the fee climbing device 6 to charge a fee for each unique number (step 111).

For example, the fee climbing device 6 charges a usage fee with the number 20001, which is a combination of the two numbers, when the own number is 2000 and the unique number found by the password is 1. If 10 passwords are charged per phone, it is convenient to charge up to 10 phone charges per phone.

3 shows a subscriber's password table, and includes a password list configured for each subscriber, a table holding a multi-charging bit and a password table storing a password.

Password input and change can be done at the relay station (7), or in the case of a multi-telephone billing phone, and the password can be registered and changed by picking up the handset and entering a unique number and an already registered password. 7) manages a unique number and password for each person by phone number.

As described above, according to the present invention, a fee cannot be charged for each phone number, and a fee is automatically charged for each subscriber by using a fee climbing device even when a phone of one number cannot charge a fee for each person, such as a hospital. can do.

Claims (1)

In the case that multiple users use CO line by private number in private exchange, the usage fee is charged for each user. In case of non-charged phone, dial tone to CO line, and in case of multi-charged phone, generating tone or music instructing password input, and inputting in password table stored in memory (3) when password is entered. Search for the password, and if there is no input password, send a mistake tone and if the password is entered, give a dial tone to the CO line, and charge multiple charges at the end of the call. Send to the climbing device (6) to calculate the usage fee Gold is imposed telephone number and identification number, a multi-way rates charged for the call time, and characterized in that it comprises the step of: sending charge a fee by each identification number climbing device 6.