Method for using ringing time as automatic answering signal of communication equipment

The invention is a method for using bell ringing time as automatic connecting signal for communication device. When there has an incoming call, it judges if the time interval timer is activated, if it is activated, it stops the action of the time interval timer, following, judges if the timer valve accordance to the time default value, if yes, judges if the time reach the default valve, if yes, carries on automatic connection, them, the counter is set to zero, and returns to the initial state.