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Cisco

Cisco PVDM3-64 | Voice DSP module | 64 channels | Gen3 DSP | Wideband codecs (G.711/G.729/G.722) | Conferencing + transcoding | Secure RTP | ISR G2 compatible

SKU:PVDM3-64

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Description

Add dedicated media processing to branch routers with a 64‑channel digital signal processor for voice, conferencing, and transcoding. Supports narrowband and wideband codecs, T.38 fax, and secure RTP to maintain call quality and security on converged networks.

Features

- 64 concurrent channels for branch voice scalability
- Integrated conferencing and transcoding for mixed-codec environments
- Wideband audio with G.722 for improved call clarity
- Secure RTP support to help protect media streams
- T.38 fax relay for reliable fax over IP
- Simple plug-in installation to router DSP slots

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 does this voice DSP module do?
A: It provides dedicated media resources for voice calls, including conferencing, transcoding between codecs, and fax relay, offloading these tasks from the router CPU.

Q: Which routers is it compatible with?
A: Integrated Services Routers G2 platforms such as the 1900, 2900, and 3900 series that support Gen3 DSP slots.

Q: How many calls can it support?
A: Up to 64 concurrent voice channels under G.711; mixed codec, conferencing, or transcoding scenarios may reduce the maximum.

Q: Is any additional license required?
A: No license is required for the fixed 64-channel capacity. Specific voice features may require appropriate router software feature sets.

Q: Does it support T.38 fax?
A: Yes, it supports T.38 fax relay and modem passthrough.

Technical Specifications

- Channel capacity: 64 concurrent voice channels
- 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
- Licensing: Fixed 64-channel capacity (no RTU upgrade)

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