Communication line connecting adapter and communication line...

Details Communication line connecting adapter and communication line... Communication line connecting adapter and communication line...

2007-08-28

2007-08-28

Smith, Creighton (Department: 2614)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S466000

Reexamination Certificate

active

10720306

ABSTRACT:
Disclosed is a communication line connecting adapter which adequately connects an ordinary telephone, IP phone and modem/facsimile machine to a connecting party. The adapter comprises first to third switches, a line which connects a common terminal of the first switch to the modem/facsimile machine via a first DAA circuit, a line which connects a zeroth node terminal of the first switch to a public telephone line and a common terminal of the second switch, a line which connects a first node terminal of the first switch to a VoIP gateway via an SLIC, a line which connects the first node terminal of the first switch to a zeroth node terminal of the third switch, a line which connects a zeroth node terminal of the second switch to the VoIP gateway via a second DAA circuit, a line which connects a first node terminal of the second switch to a first node terminal of the third switch, and a line which connects a common terminal of the third switch to an extension line.

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