Programming the 73M2901CE Call Progress Monitor Filter

By: Jeff Sorensen

Abstract: Although the Teridian 73M2901CE single-chip V.22bis modem is preprogrammed for most low-speed dial-up applications, it is possible to program the device to detect and generate tones not used for typical modem functions. This application note explains how the imprecise call progress detector of the 73M2901CE can be modified to detect frequencies other than those typically provided.

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APP 5018:
APPLICATION NOTE 5018,AN5018, AN 5018, APP5018, Appnote5018, Appnote 5018