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Cisco

Cisco PVDM4-32U128 | PVDM4 factory upgrade | 32→128 G.711 channels | for ISR 4000 | applies at build time

SKU:PVDM4-32U128

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Description

Factory upgrade that converts an existing PVDM4-32 configuration to 128 G.711-equivalent channels, enabling significantly more transcoding and conferencing capacity on ISR 4000 deployments. Intended for application during system build; not a field-installable hardware module.

Features

- Boosts media resources from 32 to 128 channels
- Enables higher call concurrency for transcoding and conferencing
- Ideal for growing branch sites and SIP trunk expansions
- Simplifies capacity planning within the PVDM4 ecosystem
- No additional hardware footprint at the platform level

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.

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FAQs

Technical Specifications

FAQs

Q: Is this a physical module?
A: No. It is a factory upgrade that changes the supported channel capacity from 32 to 128.

Q: Can I apply this to an installed router in the field?
A: It is intended for build-time application. Consult your platform entitlement and supplier for applicability to existing units.

Q: What features benefit from the upgrade?
A: Transcoding, conferencing, and other DSP-based media functions gain additional capacity.

Q: Do codecs affect the effective channel count?
A: Yes. More complex codecs and features reduce the maximum number of simultaneous sessions.

Q: Which platforms support this upgrade?
A: ISR 4000 Series platforms with PVDM4 support. Verify compatibility with your specific model.

Technical Specifications

- Type: factory upgrade for PVDM4
- Upgrade path: converts 32-channel capacity to 128-channel capacity (G.711 equivalent)
- Primary functions enabled: increased transcoding, conferencing, MTP resources
- Codec support: G.711, G.729a/b, G.722, iLBC (capacity varies by codec/feature mix)
- Applicability: intended for system build-time; not a field-installable module
- Platform compatibility: ISR 4000 Series (e.g., 4221–4461) and supported voice NIMs
- Licensing/entitlement: verify applicability to your base configuration before purchase

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