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.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
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