'ROUTER BLADE / DSP MODULE'}
Cisco
Cisco PVDM4-32 Refurbished - 32-Channel DSP Voice Module
MPN: PVDM4-32
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R2v3
Responsible Refurb
25+
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ISO
Certified
✓
Tested
Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.
Tested to factory specification. Backed by 25 years of enterprise trust.
The Cisco PVDM4-32 is a fourth-generation Packet Voice/Video DSP (Digital Signal Processor) Module engineered to deliver 32 channels of voice and media processing capacity within Cisco Integrated Services Router (ISR) platforms. As part of the PVDM4 family, it represents a significant advancement over previous PVDM generations, offering improved density, performance, and support for a broader range of voice codecs and media termination points.This module is a critical component for organizations running Cisco Unified Communications Manager (CUCM) or Cisco Unified Communications Manager Express (CME) environments, enabling the router to handle voice transcoding, conferencing, and Media Termination Point (MTP) functions directly on-device. The PVDM4-32 helps reduce reliance on external DSP resources and supports a wide range of voice codecs including G.711, G.729, G.722, and others.
This Refurbished Cisco PVDM4-32 has been inspected and tested to ensure full operational functionality, making it an ideal choice for enterprises looking to expand or upgrade their voice infrastructure while managing capital expenditures. It is well-suited for branch office deployments, call center expansions, or any environment where reliable, high-quality voice processing is essential.
Available from WhaleyComm, this module ships ready for integration into compatible Cisco ISR platforms, backed by our commitment to quality Refurbished enterprise hardware.
Technical Specifications
{'Manufacturer Part Number (MPN)'
'PVDM4-32', 'Brand': 'Cisco', 'Module Type': 'Packet Voice/Video DSP Module (PVDM)', 'Generation': 'Fourth Generation (PVDM4)', 'DSP Channels': '32', 'Condition': 'Refurbished', 'Form Factor': 'Router Blade / DSP Module'}
Ideal Use Cases
Branch Office Voice Deployment
Organizations deploying Cisco ISR routers at branch offices can leverage the PVDM4-32 to handle local voice processing without centralizing all DSP resources. This reduces WAN dependency for voice calls and improves call quality at distributed locations.
Unified Communications Expansion
Enterprises scaling their Cisco Unified Communications Manager or CME environments can add the PVDM4-32 to increase DSP channel capacity for transcoding and conferencing. This supports growing call volumes without requiring new router hardware.
Media Termination Point (MTP) Resources
Network administrators requiring additional MTP resources for encrypted or non-encrypted voice calls can deploy the PVDM4-32 to offload processing from software-based resources. This improves overall call handling reliability and reduces CPU load on the host router.
What's Included
✔ Cisco PVDM4-32 DSP Voice Module (Refurbished)
✔ Basic Inspection and Functionality Testing Completed
✔ WhaleyComm Quality Assurance
Lifetime Warranty - No Time Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it. 25 years, 5,000+ customers.
Compatibility Details
Review supported optics, cables, software, management protocols, and environment-specific compatibility guidance.
✓
The Cisco PVDM4-32 is compatible with the Cisco Integrated Services Router Generation 2 (ISR G2) and ISR 4000 Series platforms that support PVDM4 modules, including models such as the Cisco 2900 Series, 3900 Series, and 4000 Series ISRs [Verify specific slot/platform support per router model]. It is designed to work with Cisco IOS and IOS XE software supporting PVDM4 DSP resources. Compatibility with specific router chassis and software versions should be confirmed against Cisco's official compatibility matrix prior to deployment.
Shipping & Returns
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Shipping
Orders ship within 1-2 business days.
Returns
Contact support for DOA or warranty issues.
Frequently Asked Questions
Product-specific answers about compatibility, testing, warranty, fulfilment, and purchase confidence.
The PVDM4 generation offers improved DSP density, broader codec support, and enhanced performance compared to PVDM3 and earlier modules. The PVDM4-32 specifically provides 32 DSP channels within the fourth-generation architecture.
The PVDM4 family is designed for use with compatible Cisco ISR platforms including select ISR G2 and ISR 4000 Series routers; however, slot availability and compatibility should be verified against your specific router model and IOS/IOS XE version before purchasing.
Refurbished means this Cisco PVDM4-32 has been previously deployed and has since been inspected and tested by our team to verify full operational functionality, offering reliable enterprise performance at a reduced price compared to new units.
The PVDM4 module family is designed to support both voice and video DSP processing functions, making it suitable for environments leveraging Cisco's unified communications platforms for both voice and video workloads [Verify specific video conferencing feature support with your IOS version and platform].
Cisco PVDM4-32 Refurbished - 32-Channel DSP Voice Module
$695.00
