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Home Networking Router, Security, NPB Cisco PVDM-8= | 8-Channel Voice/Fax DSP Module For Cisco Routers

Cisco PVDM-8= | 8-Channel Voice/Fax DSP Module For Cisco Routers

Cisco PVDM-8= | 8-Channel Voice/Fax DSP Module For Cisco Routers

Brand:

Cisco

Specifications

Descriptions

The Cisco PVDM-8 is an 8-channel Digital Signal Processor (DSP) module that adds voice and fax processing capabilities to supported Cisco routers. Designed for small to medium-sized VoIP deployments, the PVDM-8 enables features such as conferencing, transcoding, Voice over IP (VoIP), and Fax over IP (FoIP). It provides the necessary resources for routers to handle packet voice processing, making it an essential component in Cisco Unified Communications (UC) environments.
This module supports various voice codecs and fax protocols, and allows routers to deliver high-quality, feature-rich voice and fax services in branch offices, call centers, and enterprise networks.

Features:

Supports up to 8 voice/fax channels
Voice Codecs: G.711, G.729a/b, G.726, G.723.1
Fax Support: T.38 fax relay and G.711 pass-through
Audio Processing: Echo cancellation, voice activity detection (VAD), comfort noise generation (CNG), and jitter buffering
Applications: Voice termination, conferencing, transcoding, secure voice, and IVR (Interactive Voice Response)
Secure Voice Support: Works with Cisco IOS features like SRTP (Secure RTP)
Type: Voice/Fax Digital Signal Processor (DSP) Module
Voice/Fax Channels: Up to 8 simultaneous G.711 voice or T.38 fax calls
Compatibility: Cisco 1700, 2600, and 3600 Series Routers (select models)
Form Factor: Plug-in DSP module

Specifications:

Part Number: PVDM-8
Channels Supported: 8 (G.711 voice or fax channels)
Form Factor: DSP plug-in module
Voice Protocols: VoIP, VoFR, VoATM
Fax Protocols: T.38, G.711 pass-through
Echo Cancellation: Yes (up to 128ms)
Compatible Routers: Cisco 1700, 2600, 3620, 3640 (check IOS)
Power Draw: Minimal – powered via router motherboard

Ideal For:

Branch Offices: Enable voice or fax services in remote locations
VoIP Deployments: Provide voice processing for SIP/H.323 networks
Fax over IP: Support real-time fax transmission using T.38
Call Centers: Add conferencing and transcoding for better UC experiences

Why Choose the Cisco PVDM-8?

Cisco-Certified Compatibility – Fully supported on legacy Cisco ISR routers
Cost-Effective Voice Enablement – Add voice/fax capabilities without major hardware upgrades
Scalable Solution – Suitable for growing networks with moderate voice traffic
Improved Call Quality – Built-in echo cancellation and audio tuning for superior clarity

Features

Brand:

Cisco

Warranty:

No Warranty

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