The Definity TN744C Call Classifier comes 8 ports of tone detection on the Time Division Multiplexing (TDM) bus that function the same as the TN2182, but the TN744C does not support call progress, tone generation, or clocking.

The Definity TN744C Call Classifier supports digital signal processing of Pulse Code Modulation (PCM) signals on each port to detect tones and other signals.

The Definity TN744C Call Classifier tones are also supported for applications such as Release 2 Multi-Frequency Compelled (R2-MFC), Spain MF, and Russia MF.

The Definity TN744C Call Classifier Gain (or loss) and conferencing can be applied to PCM signals received from the TDM bus.

The Definity TN744C Call Classifier supports DTMF detectors to collect address digits during dialing.

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