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but the TN744C does not support call progress
✔ Full functional testing (keypad
Compatible with all releases of Merlin Magix and Merlin Legend Release 7
Fully integrated speakerphone
Music-On-Hold and Paging ports built-in
Avaya Definity TN748D Tone Detector (Refurbished) AT&T but the TN744C does notKey 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
US$ 600.00
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