Cisco 3925 UC Bundle, PVDM3-64, UC LicensePAK REMANUFACTURED PVDM3-256 256-channel high-density voice DSP module PVDM3-256= 256-channel high-density voice DSP module SPARE PVDM3-192 192-channel high-density voice DSP module PVDM3-192= 192-channel high-density voice DSP module SPARE PVDM3-128 128-channel high-density voice DSP module PVDM3-128= 128-channel high-density voice DSP module SPARE PVDM3-64 64-channel high-density voice DSP module PVDM3-64= 64-channel high-density voice DSP module SPARE PVDM3-32 32-channel high-density voice DSP module PVDM3-32= 32-channel high-density voice DSP module SPARE PVDM3-16 16-channel high-density voice DSP module PVDM3-16= 16-channel high-density voice DSP module SPARE PVDM2-48 48-Channel Packet Voice/Fax DSP Module PVDM2-16 16-Channel Packet Voice/Fax DSP Module PVDM3-64U256 PVDM3 64-channel to 256-channel factory upgrade PVDM3-64U192 PVDM3 64-channel to 192-channel factory upgrade PVDM3-64U128 PVDM3 64-channel to 128-channel factory upgrade PVDM3-32U256 PVDM3 32-channel to 256-channel factory upgrade PVDM3-32U192 PVDM3 32-channel to 192-channel factory upgrade PVDM3-32U128 PVDM3 32-channel to 128-channel factory upgrade PVDM3-32U64 PVDM3 32-channel to 64-channel factory upgrade PVDM3-16U256 PVDM3 16-channel to 256-channel factory upgrade PVDM3-16U192 PVDM3 16-channel to 192-channel factory upgrade PVDM3-16U128 PVDM3 16-channel to 128-channel factory upgrade PVDM3-16U64 PVDM3 16-channel to 64-channel factory upgrade PVDM3-16U32 PVDM3 16-channel to 32-channel factory upgrade PVDM2-24DM-RF 24 Port Digital Modem Module REMANUFACTURED PVDM3-16-RF 16channel hidensity voice DSPmodule REMANUFACTURED PVDM3-128U256 PVDM3 128-channel to 256-channel factory upgrade PVDM3-128U192 PVDM3 128-channel to 192-channel factory upgrade