LOCAL EXCHANGE SUBSCRIBER LINE CONFERENCING METHOD

摘要

A local conferencing exchange subscriber line conferencing method using a series of input signals from the phone (22) of a subscriber (20), such as a dual-tone multifrequency (DTMF) sequence of key inputs starting with a star key input, to initiate the conference by enabling a termination attempt trigger (T A T). The conference is set up in a bridge (80) and the phone (22 ) of the subscriber (20) is connected to the bridge (80). All subsequent calle rs (40) to the subscriber's phone number at the local exchange carrier (100) ar e routed and connected to the conference at the bridge (80). When the conferen ce call ends, the subscriber's phone (22) is returned to normal service.