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Investment protection and field-upgradable capability The PVDM3 module has the same form factor,and is used across Cisco 2900 and 3900 Series Integrated Services Routers. The field-upgradable capability can help you easily scale your voice deployments. Wide range of CODEC support The PVDM3 module supports a wide range of codecs of different complexities. It supports all codecs that are supported by the PVDM2 modules. High density and flexibility The PVDM3 module portfolio has up to 4 times higher density than those in the PVDM2 portfolio. In addition,the PVDM3 module provides better density for medium- and high-complexity codecs than their equivalent PVDM2 peers. Conferencing,transcoding,and transrating services The PVDM3 module supports digital voice connections,analog voice connections,conferencing,and universal transcoding services. The same DSPs on the PVDM3 module can now support all the services with a single DSP image. In addition,the PVDM3 supports a higher number of conference sessions and a higher number of participants per conference than the PVDM2. Main Specifications - Product Description: Cisco 32-Channel High-Density Packet Voice and Video Digital Signal Processor Module - voice DSP module - Device Type: Voice DSP module - Form Factor: Plug-in module - Interface (Bus) Type: DIMM 240-pin Bus Voltage 3.3 V RAM 512 MB - Compliant Standards: G.711, G.729a, G.729ab, G.726, G.722, G.728, G.729, G.729b - Designed For: Cisco 2901, 2911, 2921, 2951, 3925, 3925E, 3945, 3945E