Image communication apparatus capable of performing facsimile communication via IP network, method of controlling the same, and storage medium
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United States of America Patent
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Jan 17, 2017
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app pub date -
Oct 25, 2013
filing date -
Nov 13, 2012
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Abstract
The present invention provides a technique that enables an image communication apparatus capable of performing voice communication and T.30 in-band FAX communication over the IP network to positively detect a CNG signal and achieve switching to FAX reception in the answerphone connection mode and the FAX/TEL-switching mode. The communication apparatus includes a MODEM that controls facsimile communication and a SLIC that controls a telephone. A selector includes switches for connecting the IP network and the MODEM, and switches for connecting the IP network and the SLIC. A CPU controls the switches of the selector such that signals from the IP network are supplied to both of the MODEM and the SLIC.
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