Definity TN748D Tone Detector (TN748D)
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Definity TN748D Tone Detector (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
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TN748D |
Definity TN748D Tone Detector |
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