Telephone line access arrangement

Details Telephone line access arrangement Telephone line access arrangement

1997-05-30

2000-04-11

Le, N.

Telephonic communications

Subscriber line or transmission line interface

379372, 379140, 379 9309, H04M 100

Patent

active

060496053

ABSTRACT:
A telephone line access arrangement for a telephone instrument and a modem gives priority to the telephone instrument in all instances. A microprocessor controls the modem and receives an input signal that is indicative of the existence of an off hook state for the telephone instrument. Logic device generates the input signal based upon the different electrical conditions characterizing the telephone instrument and the modem.

REFERENCES:
patent: 5499287 (1996-03-01), Campbell et al.
patent: 5535265 (1996-07-01), Suwandhaputra

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