Method and apparatus for switching to a modem in a key telephone

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...

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379156, 379 9309, H04M 1100

Patent

active

059784539

ABSTRACT:
A method for switching a modem in a key telephone with a single communication line, wherein modem connection circuit is provided so as to use the single communication line as both a speech and a data path. Data communication is performed by using the single communication line without an extra data communication line.

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