Cable telephony terminal device having a call line selector

Details Cable telephony terminal device having a call line selector Cable telephony terminal device having a call line selector

1997-11-13

2000-02-22

Miller, John W.

Telecommunications

Interference signal transmission

348 10, 455 63, 379 9307, 379 9309, H04H 102, H04N 710, H04M 1100

Patent

active

060290471

ABSTRACT:
A call line selector of a cable telephony terminal device is connected to one telephone and this telephone is commonly used by two telephone systems. The call line selector automatically selects an optimum line from CATV and PSTN lines in correspondence with a dial number input from the telephone at the calling time, thereby connecting the selected line and the telephone and thereby enabling a user to have a telephone conversation. Also, at the receiving time, the call line selector detects a reception (incoming call) signal and, in correspondence with the detected result, connects the cable telephony line or PSTN line and the telephone and rings the bell of the telephone to notify the user of the reception of the incoming call signal.

REFERENCES:
patent: 5027426 (1991-06-01), Chiocca, Jr.
patent: 5563938 (1996-10-01), Soshea et al.
patent: 5774527 (1998-06-01), Handelman et al.

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