Patent ID: 6240093
Filing Date: 2001-05-29
Classification: H04L

Abstract:
A transfer method of a push-button signal in an exchange connected to a network, said exchange accommodating therein a line to a terminal, said exchange including a push-button signal receiver for detecting a push-button signal created by said end terminal and for converting said push-button signal to a corresponding code, said method comprising the steps of:detecting a push-button signal created by said terminal, during a state in which said exchange connects said terminal to a remote service system via said network, by using said push-button signal receiver;encoding said push-button signal detected by said push-button signal receiver to a produce a push-button transfer signal corresponding to said push-button signal by using said push-button signal receiver; andtransmitting said push-button transfer signal to said service system from said exchange to said service system via a signal line of said network in use for connection between said terminal and said service system.