IMPORTANT: Our website will be down for planned maintenance from 6:30AM  to 9:30AM  EST on SUNDAY 06.21.26
NOTE: Images may not be exact; please check specifications.
  • Temporarily Out-of-Stock
  • Call for next available delivery
Ordering Information
The Cisco Fourth-Generation Packet Voice Digital Signal Processor Module (PVDM4) enables Cisco 4451-X Integrated Services Routers (ISRs) to provide rich-media capabilities such as high-density voice connectivity, conferencing, transcoding, media optimization, translating, and secure voice in Cisco Unified Communications Solutions.
09