The Cisco PVDM4-32= 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.

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

This item comes with 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.

• Product Description: Cisco Fourth-Generation 32-Channel High-Density Packet Voice Digital Signal Processor Module - voice DSP module
• Device Type: Voice DSP module
• Form Factor: Plug-in module
• Bus Voltage: 3.3 V
• Dimensions (WxDxH): 5.08 cm x 6.65 cm x 1.7 cm
• Weight: 36 g
• RAM: 512 MB
• Compliant Standards: G.711, G.729a, G.729ab, G.726, G.722, G.728, G.729, G.729b
• Designed For: Cisco 4451-X, 4451-X Application Experience, 4451-X Integrated Services Router Security Bundle, 4451-X Integrated Services Router Voice and Video Bundle, 4451-X Integrated Services Router Voice Security Bundle

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

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