Cisco 16-Channel High-Density Packet Voice and Video Digital Signal Processor Module Voice DSP Module - DIMM 240-pin
Cisco PVDM3 16 To 32 Channel Factory Upgrade - Voice Dsp Module
The Cisco PVDM3-16 (High Density Packet Voice Digital Signal Processor Module) allows Cisco 2900 and 3900 series routers to provide high quality media services, such as high density voice and video, conferencing, and secure voice through the Cisco Unified Communications Solutions platform. PVDM3-16 DSPs also perform compression, jitter and echo management, and voice-activity detection to reduce background noise.