Automatic telephone call transfer apparatus in internet connection mode and method of setting and canceling automatic telephone call transfer

A method for setting an automatic telephone call transfer in an Internet connection mode, comprising:

• setting an initial value for a telephone number of an exchange of a telephone office which performs a call transfer, a telephone number of an Internet Service Provider (ISP) subject to said call transfer, and an automatic/manual mode;
• converting said Internet connection mode to a telephone connection mode when said automatic/manual mode is set to an automatic mode;
• requesting a call transfer by calling said telephone number of said exchange of said telephone office;
• transmitting call transfer data for transmitting data on said telephone number of said ISP after completion of a call transfer request;
• and
• converting said telephone connection mode to said Internet connection mode after completion of said call transfer transmitting step.

A method for canceling an automatic telephone call transfer in an Internet connection mode in a system in which a call transfer is automatically performed by using a telephone number of an exchange of a telephone office which performs a call transfer and a telephone number of an Internet Service Provider (ISP) subject to said call transfer, said method comprising:

• determining whether Internet service is terminated;
• converting said Internet connection mode to a telephone connection mode when the Internet service is terminated;
• and
• transmitting data for requesting said call transfer by calling said exchange of said telephone office in said telephone connection mode.

An automatic telephone call transfer apparatus in an internet connection mode, comprising:

• an automatic call transfer setting/canceling portion which outputs data corresponding to a telephone number of an exchange of a telephone office which performs call transfer, call transfer request data, and a telephone number of an Internet Service Provider (ISP) subject to said call transfer upon connection to an Internet service, and at termination of the Internet service, outputs said telephone number of said exchange and data for canceling said call transfer;
• a modem connected to a communication line;
• a telephone connection portion which calls said telephone number of said exchange of said telephone office received at connection and termination of the Internet service;
• and
• a first switch, connected between said modem and said telephone connection portion, wherein at the connection and termination of the Internet service said first switch transmits said data from said automatic call transfer setting/canceling portion to said exchange of said telephone office.

A method for setting an automatic telephone call transfer in an Internet connection mode, comprising:

• requesting a call transfer by calling a telephone number of an exchange of a telephone office which performs said call transfer;
• transmitting call transfer data on a telephone number of an Internet service provider after completion of a call transfer request;
• and
• converting a telephone connection mode to said Internet connection mode after completion of said call transfer transmitting step.