DEVICE USING TWO B CHANNELS BY INTERLOCKED IN ISDN

摘要

PURPOSE: A device is provided to be able to do a sound conversation by telephone and to transmit/receive a fax, and to improve the using efficiency of an equipment by using two B channels offered from an integrated services digital network(ISDN) as one terminal. CONSTITUTION: The terminal performing the transmission/receipt of a fax data and a data communication contains; a hand set contacting unit to contact a hand set of a telephone; a first coder-decoder to convert an analog signal of a vocal band generated from the hand set of the telephone for a sound conversation by telephone to a digital signal; a second coder-decoder to convert an analog signal generated form a modem for a fax communication equipped in the terminal to a digital signal.