Cisco Module PVDM3-32 New Microphones plug into the two

Microphones plug into the two wired microphone ports on the Cisco 8831 base unit

Cisco 7921G IP Wireless Phone Refurbished Standard Battery Pack with Warranty

The Yealink SIP-T57W IP phone is designed for busy executives and professionals

The switches are based on the Cisco Unified Access Data Plane 2

The Cisco Catalyst 9300 Series Switches are Cisco's lead stackable enterprise switching platform built for security

Cisco Module PVDM3-32 New Microphones plug into the twoPVDM: A Hardware Module for Cisco Integrated Service Routers General Q. What is a PVDM? What function does it provide on the Cisco Integrated Service Routers? A. 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 including voice sessions, transcoding