The Cisco Voice DSP Module PVDM4-32U64 offers multiple power-saving modes, including a power-saver mode when the module is not in use. In power-saver mode, each PVDM4 can save up to 5 Watts of power. The Cisco Packet Voice Digital Signal Processor Modules (PVDMs) enables Cisco 4000 Series Integrated Services Routers (ISRs) to provide rich-media capabilities such as high-density voice connectivity, conferencing, transcoding, media optimization, transrating, and secure voice for Cisco Unified Communications solutions. These new modules support unprecedented scale while allowing for a smaller solution footprint than ever before.

Brand New - A brand-new, unused, unopened, undamaged item in its original packaging.

This item comes with a 12-month manufacturer's warranty.

• T1/E1 voice: One of the primary uses of PVDMs is to packetize digital voice into IP packets to enable time-division multiplexing (TDM) digital voice applications.
• Conferencing: PVDM modules support ad hoc and meet-me conferencing with various codecs in conjunction with Cisco Unified Communications Manager and Cisco Unified Communications Manager Express.
• Universal transcoding: In conjunction with Cisco IOS® Software, the PVDMs support universal transcoding, which allows conversion from any supported codec to any other supported codec.
• Transrating: The PVDMs support transrating, in which the same codec is repacketized in order to connect dissimilar networks that have different codec packetization periods.
• Voice-quality management: The PVDMs perform compression, voice-activity detection, jitter management, and echo cancellation. The echo cancellation offered in the PVDMs has a tail length of 128 milliseconds and complies with ITU-T G.168.
• Energy savings: The motherboard PVDMs (PVDM4s) offer multiple power-saving modes, including a power-saver mode when the module is not in use. In power-saver mode, each PVDM4 can save up to 5 watts of power.

• Product Description: Cisco Fourth-Generation 64-Channel High-Density Packet Voice Digital Signal Processor Module (Factory Upgrade from 32-Channel) - voice DSP module • Device Type: Voice DSP module
• Form Factor: Plug-in module
• RAM: 512 MB
• Designed For: P/N: C1-CISCO4331/K9, ISR4331-AXV/K9, ISR4331-V/K9, ISR4331-V/K9-RF, ISR4331-VSEC/K9

• Cisco Fourth-Generation 64-Channel Voice DSP Module PVDM4-32U64
• User Guide

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