Patent ID: 7630481

Claim:
A method for providing a telecommunications extension service for subscriber, comprising: receiving at a plurality of telecommunications units a signal indicating an incoming call from a calling party, wherein the plurality of telecommunications units simultaneously ring in response to receipt of the signal indicating the incoming call; connecting the calling party and a first answered telecommunications unit when the first answered telecommunications unit answers the incoming call; terminating each of the incoming calls to the plurality of telecommunications units except for the first answered telecommunications unit; sending, from at least a second of the plurality of telecommunications units having an incoming call terminated, a request to connect with the first answered telecommunications unit and the calling party to join the call; in response to receiving the request to connect with the first answered telecommunications unit and the calling party to establish the call, connecting at least the second telecommunications unit with the first telecommunications unit and the calling party; and in response to the first telecommunications unit terminating the incoming communication, disconnecting the first and the second telecommunications units from the calling party to end the call.