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Home Networking Servers & Storage Storage Array Modules Cisco PVDM4-32U256 DSP Module 32CH 256MB Voice Card

Cisco PVDM4-32U256 DSP Module 32CH 256MB Voice Card

Brand:
Cisco

Enterprise Digital Signal Processor module with 32 voice channels and 256MB DRAM, designed to enhance Cisco Integrated Services Routers with scalable voice, collaboration, and unified communications capabilities.

OVERVIEW

  • Cisco PVDM4-32U256 is a plug-in Digital Signal Processor module designed to expand voice processing capabilities within compatible Cisco Integrated Services Routers for enterprise unified communications environments.
  • Supporting up to 32 voice channels with 256MB DRAM, it enables conferencing, transcoding, media resource processing, and IP telephony services while reducing the need for dedicated voice hardware.
  • Compared with lower-capacity PVDM4 modules, it provides increased DSP resources and memory for growing collaboration environments while maintaining deployment flexibility within Cisco ISR platforms.
  • Its modular design allows organizations to scale voice infrastructure cost-effectively as communication requirements evolve, making it an ideal upgrade for enterprise branch offices and distributed collaboration networks.

USE CASES

  • Enterprise IP telephony deployment
  • Unified Communications infrastructure
  • Branch office voice processing
  • SIP trunk media processing
  • Voice conferencing services
  • Call transcoding applications
  • Enterprise collaboration platforms
  • Distributed office communication systems
  • Government voice infrastructure
  • Healthcare communication networks

KEY FEATURES

  • 32-channel digital voice processing
  • 256MB onboard DRAM
  • Cisco PVDM4 plug-in module
  • Supports enterprise voice services
  • Optimized for Unified Communications
  • Enables conferencing resources
  • Supports media transcoding
  • Designed for Cisco ISR platforms
  • Modular upgrade architecture
  • Improves collaboration scalability
  • Reduces need for standalone voice hardware
  • Supports business communication growth
  • Enterprise-grade DSP performance
  • Long-term infrastructure expansion support
  • Reliable Cisco voice processing solution

TECHNICAL SPECIFICATIONS

  • Brand: Cisco
  • Part Number: PVDM4-32U256
  • Model: PVDM4-32U256
  • Product Type: Digital Signal Processor Module
  • Series: Cisco PVDM4
  • Module Type: Plug-in DSP Module
  • Voice Channel Capacity: 32 Channels
  • Memory: 256 MB DRAM
  • Primary Function: Voice Signal Processing
  • Application Support: IP Telephony, Conferencing, Media Processing and Transcoding
  • Deployment: Enterprise Branch Infrastructure
  • Compatibility: Compatible Cisco Integrated Services Routers supporting PVDM4 modules
  • Installation Type: Internal Plug-in Module
  • Business Focus: Unified Communications and Collaboration
  • Infrastructure Role: Enterprise Voice Expansion Module
  • WHY CHOOSE THIS PRODUCT?
  • Cisco PVDM4-32U256 is an ideal upgrade for organizations expanding enterprise voice and collaboration capabilities without replacing existing routing infrastructure.Its combination of 32-channel voice capacity and 256MB DRAM provides greater media processing capability than entry-level DSP modules, enabling larger unified communications deployments with improved scalability.The module integrates seamlessly into compatible Cisco ISR platforms, allowing businesses to enhance conferencing, transcoding, and voice services while maintaining infrastructure consistency.From a procurement perspective, it delivers strong ROI through modular expansion, lower upgrade costs, simplified deployment, extended platform lifecycle, and long-term support for enterprise collaboration initiatives.

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