System and method for reconnecting dropped cellular phone calls

Details System and method for reconnecting dropped cellular phone calls System and method for reconnecting dropped cellular phone calls

Filed on

2008-07-01

Date issued

2008-07-01

Examiner

Gary, Erika A. (Department: 2617)

Patent Class

Telecommunications

SubClass

Radiotelephone system

SubSubClass

Zoned or cellular telephone system

Other Related Categories

C455S417000

Type

Reexamination Certificate

Status

active

Patent number

10674637

Description

ABSTRACT:
The present invention relates to a system and method of reliably determining that a cellular phone call has been dropped and then automatically reconnect the call. The invention is applicable for use in telephone systems that have off-premises call hunting algorithms and thereby use separate telephony channels for the inbound and outbound legs of a call.

REFERENCES:
patent: 5995830 (1999-11-01), Amin et al.
patent: 6275713 (2001-08-01), Toda
patent: 6430284 (2002-08-01), Jones
patent: 6603849 (2003-08-01), Lin et al.
patent: 2002/0090947 (2002-07-01), Brooks et al.
patent: 2002/0187788 (2002-12-01), McKay
patent: 2004/0005874 (2004-01-01), Malackowski et al.
patent: 2004/0235509 (2004-11-01), Burritt et al.
patent: 2005/0002405 (2005-01-01), Gao
patent: 2005/0009521 (2005-01-01), Preece
patent: 2005/0048981 (2005-03-01), Anupam et al.

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