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Cisco

Cisco PVDM3-32 | Voice/Fax DSP Module | PVDM3 | 32 G.711‑equiv channels | Conferencing/Transcoding | For 2900/3900 ISR G2

SKU:PVDM3-32

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Description

Thirty-two–channel DSP module that expands ISR G2 routers with higher-density voice/fax resources for gateways, conferencing, and transcoding. Designed for multi-line branches and UC deployments requiring efficient media processing at scale. Add modules to grow capacity as needs increase.

Features

- High-density 32-channel media processing for ISR G2
- Advanced features: conferencing, transcoding, MTP, T.38
- Flexible scaling by mixing module sizes per chassis
- Optimized for SIP/H.323/MGCP voice gateway deployments

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 compatible with ISR 2900/3900 only?
A: Yes, it is intended for ISR G2 (2900/3900) platforms that accept PVDM3 modules.

Q: How many calls are supported?
A: Up to 32 G.711‑equivalent channels; compressed codecs like G.729 reduce the total.

Q: Can I use it for conferencing and transcoding?
A: Yes. It supports conferencing, transcoding, and MTP features subject to IOS licensing/configuration.

Q: Can multiple modules be installed for higher capacity?
A: Yes, capacity scales by adding additional PVDM3 modules within platform limits.

Technical Specifications

- DSP family: PVDM3
- Channel capacity: 32 G.711‑equivalent voice channels (fewer with high-complexity codecs)
- Functions: Voice termination, conferencing, transcoding, MTP, T.38 fax relay
- Supported codecs: G.711, G.729a/b, G.723.1, iLBC (platform/software dependent)
- Platform compatibility: ISR G2 2900/3900 series PVDM3 sockets
- Installation: Plug‑in module for motherboard or supported voice modules
- Not compatible with: ISR 2800/3800 (use PVDM2 series)

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