Method and apparatus for reducing false hook detection

Details Method and apparatus for reducing false hook detection Method and apparatus for reducing false hook detection

2005-08-16

2005-08-16

Mei, Xu (Department: 2644)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

C379S252000

Reexamination Certificate

active

06930751

ABSTRACT:
A method and apparatus is provided reducing false switch hook detection in a line card coupled to a subscriber loop. The method comprises operating in a first state of the line card, receiving a control signal, and disabling switch hook detection in the line card. The method further comprises determining an initial condition of a second state of the line card, operating in the second state of the line card in response to receiving the control signal, wherein the second state begins to operate from the determined initial condition. The switch hook detection in the line card is activated.

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patent: 5426695 (1995-06-01), Misu
patent: 5671272 (1997-09-01), Cotreau
patent: 6078593 (2000-06-01), Eames et al.
patent: 6301358 (2001-10-01), Chen et al.

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