Method and system for automatically connecting telephone calls t

Details Method and system for automatically connecting telephone calls t Method and system for automatically connecting telephone calls t

1996-05-31

1999-10-05

Urban, Edward F.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455416, 455433, H04Q 720

Patent

active

059638648

ABSTRACT:
A system and method for providing telecommunication extension service to a subscriber with at least a first unit having a first number and a second unit having a second number. Upon receipt of a communication directed to the number associated with the one of the units, ringing is provided to both units. A party may answer either unit, or both units may be answered. If one unit is answered, then the other unit is provided with ringing for a predetermined number of rings or for a preselected amount of time. If the other unit is answered, then the communication is connected in a conference call to the other unit, whereby the communication is connected to both units. The conference call may be monitored for drop-out of one of the units. If one unit drops out, the other unit may remains connected. A disconnection feature allows a party who answers on a unit to provide an indication to discontinue ringing to the other unit, or to disconnect the other unit. If a unit is not engaged in a conference call, then that unit may be used to place and receive telecommunications even if the other unit is engaged.

REFERENCES:
patent: 5315636 (1994-05-01), Patel
patent: 5319699 (1994-06-01), Kerihuel et al.
patent: 5329578 (1994-07-01), Brennan et al.
patent: 5454032 (1995-09-01), Pinard et al.
patent: 5506887 (1996-04-01), Emery et al.
patent: 5524046 (1996-06-01), Paniccia, Jr.

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