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Cisco

Cisco PVDM3-64U256 | Voice DSP module | 64 channels base, RTU upgradable to 256 | Gen3 DSP | Wideband codecs | Conferencing + transcoding | Secure RTP | ISR G2 compatible

SKU:PVDM3-64U256

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Description

Scale branch voice services from 64 channels up to high density with RTU upgrades to 256 channels on a single Gen3 DSP module. Consolidate conferencing, transcoding, and fax services with secure RTP and wideband codec support for superior user experience.

Features

- High-density voice scaling up to 256 channels via RTU
- Integrated conferencing and transcoding resources
- Support for secure RTP media encryption
- T.38 fax relay for reliable FoIP
- Optimized for ISR G2 branch deployments
- Straightforward license-based capacity upgrades

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: What is the maximum capacity after upgrade?
A: With RTU licensing, the module can scale up to 256 active voice channels.

Q: Do I need different hardware to expand?
A: No additional hardware is required; capacity increases are enabled via RTU licenses.

Q: Is wideband audio supported?
A: Yes, G.722 wideband is supported along with G.711 and G.729a/b.

Q: Can it handle mixed functions (calls + conferencing)?
A: Yes. The total number of sessions depends on the mix of call legs, transcoding, and conferencing resources.

Q: Which routers can use this module?
A: Routers in the ISR G2 family with compatible Gen3 DSP slots (1900/2900/3900 series).

Technical Specifications

- Base channel capacity: 64 concurrent voice channels
- RTU upgrade: Expandable up to 256 channels via Right-To-Use licensing
- DSP generation: Gen3 packet voice DSP
- Functions: transcoding, conferencing, media termination
- Supported codecs: G.711, G.729a/b, G.722, G.726
- Fax/modem: T.38 fax relay, modem passthrough
- Voice security: Secure RTP (SRTP)
- Echo cancellation: ITU-T G.168 (up to 128 ms tail)
- Platform compatibility: Integrated Services Routers G2 (1900/2900/3900 series)
- Form factor: Onboard DSP module for router PVDM slot

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