H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/1
H04J 3/17 (2006.01)
Patent
CA 1198233
A B S T R A C T TASI apparatus suitable for use with telephone networks employing interregister multifrequency signalling comprising transmission apparatus at a First end of a transmission trunk link having a first plurality of communication channels, the transmission apparatus including means for detecting signals on a second plurality of telephone communication line on which signals are present to an available one of the first plurality of communication channels and means for applying a delay to the detected signals, receiving apparatus at a second end of the transmission link including means for assigning each of the first plurality of communication channels carrying signals to a corresponding one of the second plurality of telephone communication lines in accordance with assignment information received from the transmission apparatus, means For communicating messages including assignment information between the transmission apparatus and the receiving apparatus, means for sensing the onset of interregister multifrequency signalling on the second plurality of telephone communication lines, and means for disabling the means for applying a delay to the detected signals in response to the sensed onset of interregister multifrequency signalling.
410613
Henquin Teodor
Zeev Ya'acov B.
Electronics Corporation Of Israel Ltd.
Hirons & Rogers
LandOfFree
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