Avaya IP500 VCM 32 Card

VCM (Voice Compression Module) Card with 4 channels enabled (up to 32 channels with optional licenses)
A slide-in base card required for Voice over IP (VoIP) support - IP Trunking and IP Extensions
128ms Echo Cancellation
Maximum of 2 per Control Unit
This card accepts one IP Office 500 trunk daughter card of any type

Product Code: 700417389