Description
The Cisco PVDM4-256 Packet Voice Digital Signal Processor Module delivers high-density voice and media processing for Cisco Integrated Services Routers. Designed to support large-scale unified communications deployments, this module enables advanced voice services including conferencing, transcoding, transrating, and media optimization.
With support for up to 256 voice channels, the PVDM4-256 is ideal for enterprise and service provider environments requiring reliable, high-performance voice processing. Its multicore DSP architecture ensures efficient handling of digital voice workloads while maintaining a compact footprint and low power consumption. The module integrates seamlessly into supported Cisco platforms, providing a scalable foundation for IP voice, collaboration, and secure communications solutions.
| Specification | Details |
|---|---|
| Brand | Cisco |
| SKU | PVDM4-256 |
| Product Type | Packet Voice Digital Signal Processor Module |
| Channel Capacity (Low Complexity) | Up to 256 Channels |
| Channel Capacity (Medium Complexity) | Up to 192 Channels |
| Channel Capacity (High Complexity) | Up to 128 Channels |
| Supported Services | Voice packetization, conferencing, transcoding, transrating |
| DSP Architecture | Multicore DSP technology |
| Form Factor | On-board motherboard module |
| Slot Type | Integrated Services Card (ISC) slot or T1/E1 module slot |
| Operating Temperature | 32°F to 122°F (0°C to 50°C) |
| Power Consumption | Approximately 4.85 W |
| Voltage | 3.3 V |
| Typical Use Case | Enterprise and branch voice infrastructure |
| Compatibility | Supported Cisco Integrated Services Routers |
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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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