Call forwarding based on determination of status of destination

Details Call forwarding based on determination of status of destination Call forwarding based on determination of status of destination

2007-02-13

2007-02-13

Deane, Jr., William J. (Department: 2614)

Telephonic communications

Special services

Call diversion

C379S212010

Reexamination Certificate

active

10246185

ABSTRACT:
In a call forwarding system, a call from a calling party for a called party is received at a switching device and in response to the received call the switching device issues a request for call processing instructions to a control device. The call processing instructions request is received at the control device and in response to the received request the control device checks with the destination station to determine the availability thereof. The control device returns call processing instructions to the switching device including a telephone number of the destination station if the destination station is available. Similarly, the control device returns alternative call processing instructions to the switching device if the destination station is not available.

REFERENCES:
patent: 4723273 (1988-02-01), Diesel et al.
patent: 5530931 (1996-06-01), Cook-Hellberg et al.
patent: 6134314 (2000-10-01), Dougherty et al.
patent: 6754325 (2004-06-01), Silver et al.
patent: 2002/0111176 (2002-08-01), Roeder
patent: 2002/0176379 (2002-11-01), Wallenius et al.
patent: 2005/0195957 (2005-09-01), Gibson
WAP Architecture, Version 12—Jul. 2001: Wireless Application Protocol Architecture Specification WAP-210-WAPArch-20010712, copyright 2000-2001.

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