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TN748C Tone Detector


Certified Refurbished: $20.00
63123C

Condition 
Warranty 
Quantity
This product is eligible for 2 Year Platinum Protection!

TN748C 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