IP Communications High-Density Digital Network Module supports a VIC/VWIC slot that can be populated with either digital or analog/BRI voice/WAN interface card. Supports a maximum of 60 channels of digital voice, or four channels of analog voice in medium complexity codec. Must be used with up to four PVDM2 Packet Fax/Voice DSP modules. .
Supported Platforms & Minimum IOS Versions :