Cisco PVDM3-256 256-channel high-density voice and video DSP module PVDM3256

DESCRIPTION:
The Cisco PVDM3-256 is a high-density Packet Voice Digital Signal Processor (DSP) module designed for Cisco 2900 and 3900 Series Integrated Services Routers (ISRs). It provides up to 256 voice channels and is ideal for supporting high-volume voice and video transcoding, conferencing, and secure voice communication services in branch and enterprise network environments. The PVDM3-256 enables high-quality voice over IP (VoIP), unified communications, and secure voice features.

TECHNICAL SPECIFICATIONS:
Brand: Cisco
Model: PVDM3-256
Form Factor: Plug-in DSP module
Channel Density: Up to 256 G.711 voice channels
Compatibility: Cisco 2900 and 3900 Series ISR (e.g., 2911, 2921, 2951, 3925, 3945)
Voice Codecs: G.711, G.729ab, G.726, G.722, iLBC, and more
Applications: Voice termination, transcoding, conferencing, voice security (SRTP), and media resource functions
Memory: Onboard DSP memory for media processing
Dimensions: 3.1 x 2.5 in (7.87 x 6.35 cm)
Weight: Approx. 0.2 lbs (0.09 kg)