Cisco PVDM4-256 256 Channel High Density Voice DSP module ISR4331 ISR4321/K9

Cisco PVDM4256 Voice Network Module for Cisco 4451-X

Cisco PVDM4-256, 1 Year Warranty and Free Ground Shipping

Cisco PVDM4-256 256-Channel High-Density Voice / Fax DSP Module-Fast Shipping

Cisco PVDM4-256 Fourth-Generation 256-Channel High-Density DSP Module

Cisco NIM-8MFT-T1/E1 8-Port T1/E1 Router Module for ISR 4300/4400 w/ PVDM4-256

Brand NEW CISCO PVDM4-64 4th Gen 64-Channel High-Density Voice DSP Module

Cisco NIM-8MFT-T1/E1 8-Port T1/E1 Multiflex Trunk Voice/WAN Mod No PVDM Included