Telephonic communications – Plural exchange network or interconnection – Connection call model
Reexamination Certificate
2004-07-12
2009-11-03
Hong, Harry S (Department: 2614)
Telephonic communications
Plural exchange network or interconnection
Connection call model
C379S088010, C379S225000
Reexamination Certificate
active
07613288
ABSTRACT:
A method of handling incoming calls directed to a virtual communication subscriber is disclosed. An incoming call intended for the virtual communication subscriber is received at a first communication device. A call is placed to a second communication device using contact information provided by the virtual communication subscriber. Extension information is provided to a guest PBX when the call is answered which corresponds to a communication line associated with the second communication device. Upon connection to the second communication device, the incoming call is bridged with the call placed to the second communication device.
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Chen Yihsiu
Foladare Mark Jeffrey
Goldman Shelley B.
Wang Shaoqing Q.
Weber Roy Philip
AT&T Corp.
Hong Harry S
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