Cisco IP Communications High-Density Digital Voice/Fax Network Module with one Built-in T1/E1 port

NM-HDV2 Voice Network Module including a built-in T1/E1 port and a VIC/VWIC slot that can be equipped with either digital or analog/BRI voice/WAN interface cards. Supports a maximum of 90 channels of digital voice, or 30 channels of digital voice and four channels of analog voice in medium complexity codec. Must be used with up to four PVDM2 Packet Fax/Voice DSP modules.

• VWIC
• PVDM

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