Method for local exchange subscriber line conferencing

Telephonic communications – Special services – Conferencing

Reexamination Certificate

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Details

C379S207010

Reexamination Certificate

active

06898273

ABSTRACT:
A local conferencing exchange subscriber line conferencing system and method using a series of input signals from the phone of a subscriber, such as a dual-tone multifrequency (DTMF) sequence of key inputs starting with a star key input, to initiate the conference. The conference is set up in a bridge and the phone of the subscriber is connected to the bridge. All subsequent callers to the subscriber's phone number at the local exchange carrier are routed and connected to the conference at the bridge. When the conference call ends, the subscriber's phone is returned to normal service.

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