Cisco Module PVDM3-128 Call Manager Cisco IP Phone 7800 Series

Cisco IP Phone 7800 Series Refurbished to Like New Condition with Warranty

The Cisco IP Phone 8800 Key Expansion Module extends the capabilities of Cisco IP Phone 8851

It also comes with an IP Lite Image

3900 Series Integrated Services Routers build on 25 years of Cisco innovation and product leadership

Cisco Module PVDM3-128 Call Manager Cisco IP Phone 7800 SeriesCisco Integrated Service Routers PVDM Overview General information about PVDMs on Cisco Integrated Service Routers. What is a PVDM? What function does it provide on the Cisco Integrated Service Routers? A Packet Voice Digital Signal (PVDM) is a hardware module that provides digital signal processor (DSP) resources to the system. A PVDM module can be populated with one or more DSPs. The DSP resources on a PVDM module provide collaboration services