Avaya - IP500 IP Office, IP500 VCM64 Module, with voice compression channels for use with VoIP calls, SIP trunks and IP-based voice networking.

The Avaya IP500 Office Server,

 

 This card provides voice compression channels for use with VoIP calls, SIP trunks and IP-based voice networking. The actual number of channels provided is controlled by the VCM Channels licenses entered into the IP Office 500 system configuration. This VCM card has 4 VCM channels enabled by default. Further channels can be enabled up to the maximum (32) through adding one or more licenses (available in 4, 8, 16, & 28 channel increments).