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Quick tech specs
  • Generation 256-Channel High-Density Packet Voice Digital Signal Processor Module (Factory Upgrade from 64-Channel)
  • for P/N: C1-CISCO4431/K9
  • ISR4431-V/K9-RF
  • Voice DSP module
  • C1-CISCO4451/K9
  • ISR4451-X-AXVK9-WS
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The Cisco 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, translating, and secure voice in Cisco Unified Communications Solutions.
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Cisco Fourth-Generation 256-Channel High-Density Packet Voice Digital Signa
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