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The Cisco PVDM4-128 for ISR 4000 Series routers supports up to 128 high-density voice and media processing channels. It enables digital signal processor (DSP) functions such as conferencing, transcoding, and VoIP services in enterprise networks.
The module uses a modular architecture with power-efficient DSPs that scale based on the number of active sessions. Designed for packetized voice applications, it supports codecs including G.711, G.729a/b, iLBC, and Wideband audio formats like G.722 for improved call clarity while reducing bandwidth consumption through compression techniques.
Cisco PVDM4-128 ISR 4000 128-Channel High-Density Voice DSP Router Module
- Description : 128-channel high-density voice DSP module
- Max Channels Hi Complex Codec : 64
- Max Channels Complex Codec : 96
- Max Channels Low Complex Codec : 128
- Interface : On-board motherboard or T1/E1 module slot
- Platform Support : Cisco 4000 Series ISR Routers
- Model Number : PVDM4-128
- Part Number : PVDM4-128, PVDM4-128=, PVDM4-128-WS
- Condition : Seller refurbished
- One (1) Seller Refurbished Cisco PVDM4-128 ISR 4000 Series 128-Channel High-Density Voice DSP Router PVDM as described above
- Manuals or product brochures are not included. Software or Firmware DVDs or CDs are not included
Product information and installation instructions may be found on the manufacturer's website or the web. Software or firmware updates may be available through the manufacturer's website
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