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Home Networking Router, Security, NPB Routers Cisco PVDM-256K-8 | 8-Channel Packet Voice/Fax DSP Module for Cisco Voice Routers

Cisco PVDM-256K-8 | 8-Channel Packet Voice/Fax DSP Module for Cisco Voice Routers

Cisco PVDM-256K-8 | 8-Channel Packet Voice/Fax DSP Module for Cisco Voice Routers

Brand:

Cisco

Specifications

Product Description:

The Cisco PVDM-256K-8 is a powerful Packet Voice/Fax Digital Signal Processor (DSP) module designed to provide up to 8 channels of voice and fax processing for Cisco voice-enabled routers. It enables high-performance VoIP (Voice over IP), fax-over-IP, and PSTN gateway capabilities in branch offices, SMB networks, and enterprise telephony applications.
Built with 256K of memory, the PVDM-256K-8 module delivers optimized performance for voice compression, echo cancellation, transcoding, and conferencing — making it a vital upgrade for organizations deploying or expanding their Cisco-based telephony infrastructure.
Ideal for use with compatible Cisco 1700, 2600, and 3700 series routers, this 8-channel DSP module allows seamless integration into your existing system, supporting both analog and digital voice interfaces and ensuring superior voice quality and resource efficiency.

Features:

Supports 8 Voice/Fax Channels – Handle up to 8 simultaneous voice or fax sessions
256K DSP Memory – For high-performance voice and fax signal processing
Compatible with Cisco 1700, 2600, 3700 Series Routers
VoIP and PSTN Gateway Ready – Transcode between different codecs and network types
Echo Cancellation & Voice Compression – Ensures clear call quality
Supports Fax-over-IP (FoIP) – T.38 and Cisco Fax Relay protocols
Ideal for Conferencing and Transcoding – Flexible DSP functionality for growing networks
Plug-and-Play Integration – Easy installation in Cisco voice-enabled routers

Specifications:

Model Number: PVDM-256K-8
Product Type: Packet Voice/Fax DSP Module
Voice Channels Supported: Up to 8 simultaneous channels
Memory Size: 256 KB
Compatibility: Cisco 1700, 2600, 2600XM, 3700 series routers
Applications: VoIP, fax-over-IP, PSTN connectivity, conferencing, transcoding
Protocols Supported: H.323, SIP, T.38, Cisco Fax Relay
Voice Features: Echo cancellation, compression (G.729, G.711, G.726), jitter buffering
Installation: Internal router module (no external power required)
Power Requirements: Powered by host router chassis
Use Case: Small to medium business telephony, remote offices, voice gateways, Cisco certification labs

Why Choose the Cisco PVDM-256K-8?

Reliable Cisco Voice DSP – Proven quality and compatibility with Cisco’s voice router platforms
Ideal for Expanding VoIP Capacity – Add 8 channels for voice or fax call handling
Supports Advanced Voice Services – Conferencing, transcoding, FoIP, and more
Plug-and-Play Installation – Seamlessly fits into supported Cisco routers
Cost-Effective Upgrade – Enhances performance without replacing hardware
Perfect for CCNA/CCVP Labs – Used in Cisco certification and test environments

Features

Brand:

Cisco

Warranty:

1 Year

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