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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Music-On-Hold and Paging ports built-in
NON-BACKLIT LCD
hands free operation
Fully integrated speakerphone
Avaya Definity TN748D Tone Detector (Refurbished) AT&T Music-On-Hold and Paging ports built-inKey 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
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