Telephone apparatus and a method of controlling same

Details Telephone apparatus and a method of controlling same Telephone apparatus and a method of controlling same

1989-03-01

1991-10-08

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

379190, 379194, 379241, H04J 312

Patent

active

050560832

ABSTRACT:
This invention relates to a telephone apparatus and a method of controlling the telephone apparatus, wherein, where a calling operation conflicts with a call-receiving operation, calling processing and call-receiving processing are performed so that an intention of an operator at a calling side may be respected. A timer is caused to start to operate in response to an incoming signal detected by an incoming signal detecting unit. Where an off-hook operation is detected by an off-hook detecting unit before the expiration of a timer time set at the timer, a line control unit treats the off-hook operation as an off-hook operation for a calling operation. Where an off-hook operation is detected by the off-hook detecting unit after the expiration of the timer time, the line control unit treats the off-hook operation as an off-hook operation for a call-receiving operation.

REFERENCES:
patent: 3830985 (1974-08-01), Troemel et al.
patent: 4079201 (1978-03-01), Scott et al.
patent: 4856055 (1989-08-01), Schwartz
patent: 4939774 (1990-07-01), Sawada

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