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Avaya Definity TN748C Tone Detector (TN748C)

by Avaya (63123C, 63123C)

Avaya Definity TN748C Tone Detector (TN748C)
Like New: $19.99
Availability: Yes

$19.99 Sale Price:
Item Total:

TN748/TN748D Tone Detector

The TN748 is equipped with four touch-tone receivers and two general purpose tone receivers to detect call progress tones, modem answer-back times, transmission test tones, and noise.


  • Four touch-tone receivers
  • Two general purpose ton receivers
  • Replaced by TN2182B Tone-Clock, Tone Detector, and Call Classifier
  • One Year Warranty Included with Extended Warranty Options at Low Prices!

Provides dial tone detection for:

  • Automatic Route Selection (ARS)
  • Off-premises keyboard dialing
  • Off-premises abbreviated dialing

Package Includes

  • TN748/TN748D Tone Detector Card
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