Avaya
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AVDEFTN756-REF
Avaya Definity TN756 Tone Detector (Refurbished)
Key Features:
- Provides 4 touch-tone receivers and two general-purpose tone receivers to detect call progress tones, modem answer-back tones, transmission test tones, and noise
- Provides dial tone detection required for the ARS feature, off-premises (out-of-building) keyboard dialing, and off-premises abbreviated dialing
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