FeaturesProvides four touch-tone receivers and two general purpose ton receivers to detect call progress tones, modem answer-back times, transmission test tones, and noiseProvides dial tone detection required for the Automatic Route Selection (ARS) feature, off-premises (out-of-building) keyboard dialing, and off-premises abbreviated dialingReplaced by TN2182B Tone-Clock, Tone Detector, and Call ClassifierIncludesRefurbishedLibraryAvaya Lucent Definity ECS Maintenance R6 Vol I and II.pdf
