Skip to product information
1 of 1

Cisco

Cisco PVDM4-64U128 | Voice DSP factory upgrade | PVDM4 | channels: 64→128 | ISR 4000 compatible | features: transcoding, conferencing

SKU:PVDM4-64U128

Regular price POA
POA
POA
Sale Sold out
Taxes included. Shipping calculated at checkout.

Description

Factory upgrade to increase a PVDM4-64 to 128 G.711-equivalent channels, expanding DSP resources for transcoding, conferencing, and T.38 fax on ISR 4000 routers. Designed as a factory-installed capacity boost rather than a field-install kit.

Features

- Doubles DSP capacity from 64 to 128 channels
- Enhances scalability for CUBE/SRST and conferencing use cases
- Maintains call quality with hardware media processing
- Ideal for sites expanding voice concurrency without new hardware platforms

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

View full details
  • You may also like
  • Best sellers
  • Related Products

specs-tabs

Collapsible content

FAQs

Technical Specifications

FAQs

Q: What does this SKU upgrade?
A: It upgrades a PVDM4-64 to 128 channels for higher voice/media density.

Q: Is this license-only or hardware?
A: It represents a factory-installed capacity upgrade for the PVDM4 subsystem on supported routers.

Q: What routers are compatible?
A: ISR 4000 Series platforms that support PVDM4 DSP resources.

Q: Will codec choice affect channel counts?
A: Yes. The 128 figure is G.711-equivalent; complex codecs and features reduce the effective channel count.

Technical Specifications

- Upgrade type: Factory channel upgrade for PVDM4
- From/to capacity: 64 → 128 G.711-equivalent channels
- Functions enabled: voice termination, transcoding, conferencing, MTP, T.38 fax relay
- Supported codecs (platform dependent): G.711, G.729a/b, G.722 wideband
- Platform compatibility: Cisco ISR 4000 Series with PVDM4 slots/voice NIMs
- Software: IOS XE-based UC/CUBE/SRST features
- Scope: Factory-installed capacity; not a field-install kit

Recently Viewed

  • Request for a Quote

    Looking for competitive pricing? Submit a request, and our team will provide a tailored quote that fits your needs.

  • Contact Us Directly

    Have a question or need immediate assistance? Call us for expert advice and real-time support.

    Call us Now  
  • Contact Us Directly

    Have a question or need immediate assistance? Call us for expert advice and real-time support.

    Contact us