Cisco

Cisco PVDM4-192 | DSP module | PVDM4 | 192 G.711 ch | conferencing/transcoding | ISR 4000 compatible

SKU:PVDM4-192

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Description

High-density PVDM4 digital signal processor module delivering up to 192 G.711-equivalent channels for voice transcoding, conferencing, and TDM/VoIP interworking on ISR 4000 platforms. Ideal for UC, PSTN gateway, and CUBE deployments requiring scalable media resources.

Features

- Up to 192-channel G.711 media capacity in a compact DSP module
- Hardware-accelerated transcoding and conferencing for reliable voice quality
- Flexible codec support for mixed VoIP environments
- Enables TDM/VoIP interworking with supported voice interface modules
- Optimized for UC, PSTN gateway, and CUBE deployments on ISR 4000
- Platform-managed security with SRTP and TLS where configured

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: How many active calls can this support?
A: Up to 192 G.711-equivalent channels; channel availability decreases with more complex codecs or features such as transcoding and conferencing.

Q: Is it compatible with ISR 4300 and 4400 series routers?
A: Yes, it is designed for ISR 4000 Series platforms (4221–4461), either on the motherboard PVDM4 socket or supported voice NIMs.

Q: Does it enable SRTP by itself?
A: SRTP is provided by the platform (IOS XE/CUBE). The DSP handles media resources; enable SRTP on the router configuration.

Q: Can I hot-swap the module?
A: No. Power down the router before installing or removing a PVDM4 module.

Q: Do I need extra licenses?
A: The DSP itself does not require a license, but features like CUBE or CME/SRST may require platform licenses.

Technical Specifications

- Series: PVDM4 DSP module
- Channel capacity (G.711 equivalent): up to 192
- Primary functions: transcoding, conferencing, MTP, tone/DTMF, T.38 fax relay
- Codec support: G.711, G.729a/b, G.722, iLBC (capacity varies by codec/feature mix)
- Use cases: CUBE, SRST/CME, PSTN/TDM voice gateway, MoH
- Platform compatibility: ISR 4000 Series (e.g., 4221–4461) and supported voice NIMs
- Installation: fits PVDM4 socket on motherboard or supported voice NIMs
- Security: supports SRTP when enabled on the host platform (IOS XE)
- Hot-swap: not hot-swappable; power down before install/remove
- Licensing: no per-module license; platform feature licenses may apply

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