Patent ID: 6115474
Filing Date: 2000-09-05
Classification: H04B,H04M

Abstract:
A method for eliminating switching noise at the start of communications in a communication system having plural terminals, the method comprising the steps of:at a first terminal, calling a second terminal by inputting a number of the second terminal and transmitting it to the second terminal;at the second terminal, responding to a receipt of the number by sending a confirmation signal to the first terminal and by opening a first channel from the first terminal;at the second terminal, muting a speaker connected to said first channel for a predetermined time interval after connecting the second terminal to said first channel; andat the first terminal, responding to the confirmation signal and opening a transmission of information on said first channel after said predetermined time interval,wherein said predetermined time interval corresponds to a time interval between when said second terminal is connected to said first channel and when said first terminal is connected to said first channel.