 | Provides an interface for up to 16 analog (500/2500-type) telephones with the Message Waiting lamp feature. Functionally identical to the NT8D03 Analog Line Card, except it can also connect a high-voltage, low-current feed to each line to light the message waiting lamp on telephones equipped with the Message Waiting feature. Supports 56K modem operation. Voice Interface Card, 56 Kbps Number of Reviews: 0 | Ratings:  | Best deal: $325
$325 - $325 from 1 stores. |