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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
The card installs into the CPC slot of the DBS 824 cabinet
✔ Full functional testing (keypad
NON-BACKLIT LCD
but the TN744C does not support call progress
Headset Compatible
Avaya Definity TN748D Tone Detector (Refurbished) AT&T The card installs into theKey Features: Provides four touch tone receivers and two general purpose ton receivers to detect call progress tones, modem answer back times, transmission test tones, and noise Provides dial tone detection required for the Automatic Route Selection (ARS) feature, off premises (out of building) keyboard dialing, and off premises abbreviated dialing Replaced by TN2182B Tone Clock, Tone Detector, and Call Classifier
