Save up to 70% over new list price on this fully tested Cisco PVDM4-128 128-channel high-density voice DSP module, backed by Reef Telecom's industry-leading 10-year warranty.
Key Specifications
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Part Number: PVDM4-128
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DSP Channels: 128 (low complexity), 96 (medium), 64 (high complexity)
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Supported Codecs: G.711, G.722, G.726, G.728, G.729, iLBC
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Voice Services: Conferencing, transcoding, media optimization, echo cancellation
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RAM: 512 MB
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Power Consumption: 4.85W
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Dimensions: 0.67 x 2.50 x 2.62 in. (1.7 x 5.1 x 6.7 cm)
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Form Factor: Plug-in module (motherboard slot or T1/E1 NIM)
Platform Compatibility
The Cisco PVDM4-128 is designed for the Cisco ISR 4000 Series routers, including the ISR 4321, 4331, 4351, 4431, and 4451-X (excludes ISR 4461). Install directly into the motherboard PVDM4 slot for IP-based conferencing, transcoding, and media optimization, or onto a T1/E1 NIM for TDM voice connectivity. Requires Cisco IOS XE Release 3.15S or later.
Rich-Media Capabilities
Enable high-density voice connectivity, video conferencing, universal transcoding, transrating, and secure voice for Cisco Unified Communications solutions. The PVDM4-128 features multicore DSP technology with ITU-T G.168 compliant echo cancellation (128ms tail length) and multiple power-saving modes.
Why Buy from Reef Telecom?
- 10-year warranty — the longest in the industry
- Free shipping on orders over $300
- Every module fully tested and verified before shipment
- Expert support from certified telecom professionals
