Patent ID: 6321080
Filing Date: 2001-11-20
Classification: H04M

Abstract:
A conference telephone, comprising:a) a base having a base-mounted speaker and a base-mounted microphone;b) a handset having a handset-mounted speaker and a handset-mounted microphone, the handset being movable relative to the base;c) a control circuit responsive to the selection of a conference-call mode to generate a control signal;d) first means responsive to the control signal for activating either the base-mounted speaker or the base-mounted microphone;e) second means responsive to the control signal for activating the handset-mounted microphone if the base-mounted speaker was activated and for activating the handset-mounted speaker if the base-mounted microphone was activated; andf) third means responsive to the control signal for disabling any microphone other than the activated microphone.