Skip to content Skip to footer
ROC Telecom
Get a Quote
ROC Telecom
Close
Awaiting product image

PVDM4-256

The Cisco PVDM4-256 is a high-density voice DSP module designed for Cisco ISR 4000 Series routers, offering 256 channels of voice and video processing—ideal for scalable, cost-effective VoIP deployments in refurbished enterprise network environments.

SKU: PVDM4-256 Brand: Product ID: 309802
Sell to Us Buy from Us

Description

The Cisco PVDM4-256 is a high-density voice DSP module designed for Cisco ISR 4000 Series routers, delivering robust voice and media services in enterprise and branch office deployments. With 256 channels of high-quality voice processing, it supports a wide range of codecs, conferencing, transcoding, and voice-quality enhancements. Its compact design fits directly onto the motherboard of compatible ISR 4000 routers, eliminating the need for additional slots or hardware. Built to handle demanding unified communications environments, the PVDM4-256 ensures reliable performance for voice gateways and IP telephony.

This module is based on advanced digital signal processing technology, offering improved performance and power efficiency over previous generations. It supports features such as Secure Real-Time Transport Protocol (SRTP), voice-quality monitoring, and T.38 fax relay, making it ideal for VoIP and hybrid voice networks. The PVDM4-256 is a cost-effective solution for scaling voice capacity without replacing existing infrastructure. When purchasing used, buyers benefit from the same robust functionality at a significantly reduced cost, making it a smart choice for expanding or upgrading voice services.

Who We Are
 
ROC Telecom is a family-owned, Texas-based company specializing in helping businesses unlock value from their networking and telecom equipment. From routers and switches to optical gear and more, we provide a seamless solution for businesses looking to sell, recover assets responsibly, or buy quality-tested equipment at competitive prices.
 
What We Do
 
We make it easy to:
  • Sell Used Equipment: Get a quick, hassle-free quote and maximize the value of your old IT gear.
  • Buy Certified Networking Equipment: Access affordable, quality-tested equipment from top brands like Cisco, Juniper, Ciena, Fujitsu, Infinera and more.
Why Choose ROC Telecom?
  • Expertise You Can Trust: 15 years of experience in asset recovery and resale.
  • Sustainable IT Solutions: Reduce waste and support environmentally responsible practices.
  • Competitive Pricing: Fair, fast, and accurate valuations for all your equipment.
  • Free Shipping Logistics: Fast, secure, and hassle-free shipping or pickup options for buyers and sellers.
Our Process
  1. Submit a Request: You can use the “Buy” or “Sell” buttons above to get started — or fill out a form, call us at 585-406-1248, or email bailey@roctelecom.com. Whatever’s easiest for you, we’ll make it quick and hassle-free.
  2. Quick Evaluation: We’ll assess your equipment—whether you’re looking to sell it or find the right gear for your needs—and provide a fair offer.
  3. Simple Logistics: Fast, secure, and straightforward shipping or pickup solutions.
  4. Value Delivered: Recover funds from unused equipment or save on quality-tested networking and telecom gear.
Call Now Button