Description
The Cisco PVDM4-32 Packet Voice Digital Signal Processor (DSP) Module is a high-density voice processing solution designed for Cisco Integrated Services Routers. Delivering up to 32 voice channels, this module enables advanced voice services such as packetized TDM voice, conferencing, transcoding, and media optimization.
Built on Cisco’s multicore DSP architecture, the PVDM4-32 provides efficient voice compression, echo cancellation, jitter management, and voice-quality enhancement to support enterprise-grade unified communications deployments. It installs directly on supported Cisco router motherboards or compatible T1/E1 network interface modules, offering flexibility for both IP-based and digital voice applications.
The PVDM4-32 is ideal for branch offices and enterprise networks requiring scalable, reliable, and secure voice services without increasing hardware footprint or power consumption.
| Specification | Details |
|---|---|
| Brand | Cisco |
| Model | PVDM4-32= |
| Product Type | Packet Voice Digital Signal Processor (DSP) Module |
| DSP Architecture | Multicore DSP |
| Voice Channels | Up to 32 channels |
| Supported Voice Services | Voice packetization, conferencing, transcoding, transrating |
| Echo Cancellation | Yes |
| Noise Reduction | Yes |
| Gain Control | Yes |
| Tone Detection | Yes |
| Supported Codecs | G.711, G.722, G.726, G.728, G.729, G.729a/b/ab, iLBC, fax and modem support |
| Installation Slot | On-board motherboard or T1/E1 NIM slot |
| Power Consumption | Approx. 4.85 W |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Form Factor | Plug-in module |
| Compatibility | Supported Cisco Integrated Services Routers |
Payment & Security
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
Building a Complete AV System?
This product is rarely deployed alone. It’s typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments—from single rooms to enterprise-wide deployments.
- System Design & Engineering
- Installation & Integration
- Programming & Ongoing Support
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