Cisco PVDM4-256 voice network module
-
$110.00 In Stock - Ships Worldwide Order by 2:00 PM ET for Overnight ShippingWas: $126.50You Save: $16.50 13% OFF
-
Warranty: 90-day return/replacement
Click here to read our Return Policy for returns/replacements.
PVDM4-256
Free ground shipping within the
United States
Government, Federal & Education Procurement
We support quotes, POs, stock docs, and compliance invoicing.
Email: support@buyrouterswitch.com SAM.gov Registered Vendor CAGE Code : 23P86
overview
specifications
faqs
reviews
PVDM4-256 Overview
The CISCO Pvdms Simplifies unified Communications Solutions, Rich-media Features Like High-density Voice Connectivity, Conferencing, Transcoding, Media Optimization, Transrating, And Secure Voice for The Catalyst Family Like CISCO 8000 Edge Platforms And The CISCO 4000 Series Integrated Services Routers (isrs). With The Help Of These Innovative Modules, An Unprecedented Scale May Be Supported With A Smaller Solution Footprint Than Before. Features And Benefits: The PVDM4-256 Support Digital Voice Connections, Conferencing, Universal Transcoding, And Media Optimization Services:
Summary Description
Cisco PVDM4-256. Width: 51 mm, Depth: 67 mm, Height: 17 mm
Need help with PVDM4-256?
Get pricing, availability, lead time, and compatible options from our team. Chat with us live or email support@buyrouterswitch.com
Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | Cisco |
| Stock | In Stock |
Weight & dimensions
| Width | 51 mm |
|---|---|
| Depth | 67 mm |
| Height | 17 mm |
| Weight | 36 g |
Network
| Number of voice channels supported (max) | 256 |
|---|
Operational conditions
| Operating temperature (T-T) | 0 - 50 °C |
|---|
Technical details
| Compatibility | Cisco 4331, Cisco 4351, Cisco 4451 |
|---|
Frequently Asked Questions
What is the primary function of the Cisco PVDM4-256 voice module? +
The Cisco PVDM4-256 is a high-density Packet Voice DSP Module designed to provide voice and video processing capabilities for Cisco ISR 4000 series routers. It offloads intensive digital signal processing tasks from the router's main CPU, enabling high-quality VoIP services, conferencing, transcoding, and rich-media applications across your enterprise network.
Which specific Cisco router platforms are compatible with the PVDM4-256? +
This module is specifically engineered for the Cisco ISR 4000 Series Integrated Services Routers. It integrates directly into the motherboard slots, providing scalable support for voice and video features. Always verify your specific ISR 4000 model's documentation to ensure the slot configuration is available for hardware acceleration modules.
How many voice channels does the PVDM4-256 support? +
The PVDM4-256 features a 256-channel capacity, allowing it to handle significant voice and video traffic loads. The actual number of supported channels may vary based on the specific codec, complexity of the voice processing, and whether you are performing tasks like transcoding or conferencing, which consume more DSP resources than standard voice termination.
Is the PVDM4-256 hot-swappable during router operation? +
Installation of the PVDM4-256 module typically requires the Cisco ISR 4000 router to be powered down. While these modules are designed for high reliability, they are internal components that mount onto the router motherboard. Please follow standard safety procedures and maintenance windows when installing or replacing hardware modules to prevent potential damage to the chassis or the module itself.
Does the PVDM4-256 support high-definition video conferencing? +
Yes, this module is built to handle the demanding requirements of high-definition video conferencing and immersive media applications. By providing dedicated DSP power, it ensures that video streams remain synchronized and clear, minimizing latency and jitter during multiparty sessions which would otherwise strain the router’s primary processing resources.
How do I manage the PVDM4-256 module after it is installed? +
Management is performed through the standard Cisco IOS XE software interface used by the ISR 4000 series. Once detected by the router, you can configure and monitor the DSP resources, channel usage, and voice services via the Command Line Interface (CLI). No separate management software is required to maintain the base functions of the module.
What is the benefit of using a hardware-based DSP like the PVDM4-256? +
Hardware-based DSPs provide a significant performance advantage by shifting the heavy lifting of voice packetization, echo cancellation, and codec transcoding away from the router's main processor. This architecture keeps your router's throughput optimized for data traffic, ensuring that voice services do not degrade network performance during peak operational hours.
Can the PVDM4-256 be used for legacy T1/E1 gateway support? +
Yes, the PVDM4-256 is an essential component when configuring your ISR 4000 router as a voice gateway for legacy T1/E1 interfaces. It provides the necessary signal processing to bridge traditional PSTN voice traffic with your modern IP-based unified communications network, enabling a smooth transition or integration for your enterprise voice infrastructure.
How can I obtain a bulk quote for multiple PVDM4-256 units? +
For organizations requiring large quantities of PVDM4-256 modules for enterprise-wide deployments, please reach out to our dedicated sales team via the request-a-quote form on BuyRouterSwitch.com. We specialize in catering to volume requirements and can provide tailored pricing structures to ensure your infrastructure projects remain cost-effective while meeting your specific technical requirements.
Why should I choose BuyRouterSwitch.com for my Cisco module procurement? +
BuyRouterSwitch.com is a trusted source for enterprise-grade networking hardware. We focus on providing authentic Cisco equipment at competitive price points. Our streamlined ordering process and extensive inventory management allow us to serve businesses that prioritize reliability and efficiency, ensuring that you receive the exact hardware needed to maintain your network performance without unnecessary delays.
Related Products
$134.40
Special Price
$61.60
was
$70.84
$61.60
Special Price
$33.00
was
$37.95
Need Help Choosing the Right Part? Talk to an Expert
-
+1 (800) 870-9487Mon-Fri 8am-5pm EST
-
support@buyrouterswitch.comTechnical support
