Customer Reviews
  1. About Us
  2. Contact Us
  3. Find an Installer
  4. Sell Us Your Equipment
  5. Questions?  Call 800-929-8061 or 248-288-7000


TN748D Tone Detector

TN748D Tone Detector


Certified Refurbished: $39.99
Availability: In Stock
Manufacturer: Avaya   |   SKU: 63123db

Condition 
Warranty 
⚑ This product is eligible for 2 Year Platinum Protection.  Learn more
Quantity
   Rock Solid 1 Year Warranty      30 Day Returns
   Over 36 Years of Superior Sales, Service, and Support

TN748D 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