Telephonic communications – Special services – Call waiting
Patent
1997-09-25
1999-12-07
Tsang, Fan S.
Telephonic communications
Special services
Call waiting
379 8826, 379142, H04M 164
Patent
active
059996137
ABSTRACT:
A method and system for processing an incoming call during a call-in-progress utilizes a communication station for detecting the incoming call from a new caller to a subscriber telephony device. The communication station determines whether the subscriber telephony device is busy on a call with a first telephony device. An adjunct processor then determines interruption information about the first telephony device which identifies whether or not the call-in-progress with the first telephony device can be interrupted. The adjunct processor then generates a corresponding signal for receipt by the communication station based on whether or not the call-in-progress with the first telephony device can be interrupted by the new caller.
REFERENCES:
patent: 5636269 (1997-06-01), Eisdorfer
patent: 5706336 (1998-01-01), Kikinis
patent: 5784448 (1998-07-01), Yaker
patent: 5825867 (1998-10-01), Epler et al.
Marx Adam N.
Nabkel Jafar S.
MediaOne Group Inc.
Tsang Fan S.
U. S. West, Inc.
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