Telephone terminal, call system and terminal control program

Details Telephone terminal, call system and terminal control program Telephone terminal, call system and terminal control program

2003-08-28

2009-10-27

Deane, William J (Department: 2614)

Telephonic communications

Special services

C379S210010, C379S230000

Reexamination Certificate

active

07609828

ABSTRACT:
A telephone terminal capable of keeping a line to the other party's telephone terminal connected through a telephone line network in a connected state even after an output destination and an input source of audio signals are switched to an audio input/output unit. In a multifunction machine serving as the telephone terminal, a transmission path to be used for input/output of audio signals from/to an outside source is switched to an audio cable when a switch key is pressed during a voice call through the telephone line network. If an Internet call function is used at a PC, a voice call by the Internet call function may be performed indirectly by using a transmitter/receiver. The multifunction machine may automatically disconnect the line through the telephone line network when receiving a BT from the telephone line network after the transmission path is switched to the audio cable.

REFERENCES:
patent: 5953322 (1999-09-01), Kimball
patent: 5953407 (1999-09-01), Zhang et al.
patent: A 10-155034 (1998-06-01), None
patent: A 2000-125040 (2000-04-01), None

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