Quick tech specs
- Channel
- enhanced service module (SM-X)
- Voice DSP module
- for Cisco 4451-X; Integrated Services Router 4351, 4431
Know your gear
The Cisco Packet Voice Digital Signal Processor Modules (PVDMs) enable Cisco 4000 Series Integrated Services Routers (ISRs) to provide rich-media capabilities such as high-density voice connectivity, conferencing, transcoding, media optimization, transrating, and secure voice for Cisco Unified Communications solutions. These modules support unprecedented scale while allowing for a smaller solution footprint than ever before.