Cisco Fourth Generation 256 Channel High Density Packet Voice Digital Signa Pvdm4 32u256 Phone System Architecture Cdwg Com

the cisco fourth generation packet voice digital signal processor module pvdm4 enables cisco 4451 x integrated services routers isrs to provide rich media capabilities such as high density voice connectivity conferencing transcoding media optimization transrating and secure voice in cisco unified communications solutions the pvdm4 modules are supported on the cisco 4451 x platform you can plug them directly into the single slot on the router motherboard or onto the network interface module nim that supports t1 e1 ports enhanced dsp architecture accommodates a packet processing engine optimized for rich media voice applications while concurrently supporting the time division multiplexing ip tdm ip voice framework a pvdm4 module plugged onto the motherboard delivers ip based voice services such as conferencing media optimization and transcoding a pvdm4 module plugged onto the nim daughter card would be used for voice t1 e1 connectivity all the pvdm4 modules have the same form factor and are field upgradable to allow you to easily scale your voice deployments