Description
The Cisco PVDM3-128 is a high-density voice and video DSP module designed for Cisco Integrated Services Routers Generation 2 (ISR G2), such as the 2900 and 3900 series. This module delivers up to 128 channels of high-quality voice over IP (VoIP), conferencing, and transcoding capabilities, making it ideal for mid-to-large scale deployments. Built on advanced digital signal processor (DSP) technology, the PVDM3-128 supports a wide range of codecs including G.711, G.729ab, and G.722 for wideband audio. Its compact form factor allows for efficient integration into compatible router platforms without consuming additional rack space.
The PVDM3-128 features 4 DSP cores and supports flexible digital voice interfaces, including T1/E1 PRI and BRI, as well as analog voice interfaces through voice interface cards. It enables media services like secure voice, voice quality monitoring, and voice packet loss concealment, enhancing call reliability and clarity. With its modular design, the PVDM3-128 can be upgraded or replaced easily, making it a cost-effective option for extending the life of existing network infrastructure. Buyers looking for used network hardware will appreciate its proven reliability and solid performance in enterprise voice environments.

