Description
The Cisco PVDM4-64 is a high-density Packet Voice Digital Signal Processor (DSP) module designed to enhance voice and media capabilities on Cisco Integrated Services Routers. Supporting up to 64 voice channels, this module enables advanced services such as voice compression, conferencing, transcoding, transrating, and media optimization. Built on a multicore DSP architecture, the PVDM4-64 delivers reliable, high-performance voice processing for enterprise and service provider environments. It installs directly on supported router motherboards or T1/E1 network interface modules, making it an ideal choice for scalable Cisco Unified Communications deployments.
| Specification | Details |
|---|---|
| Brand | Cisco |
| SKU | PVDM4-64= |
| Product Type | Packet Voice Digital Signal Processor Module |
| DSP Architecture | Multicore DSP |
| Maximum Voice Channels | 64 |
| Supported Services | Voice compression, conferencing, transcoding, transrating |
| Codec Support | G.711, G.722, G.729, G.729a/b/ab, G.726, iLBC, fax and modem support |
| Installation Slot | On-board motherboard or T1/E1 NIM slot |
| Compatibility | Cisco 4000 Series Integrated Services Routers (excluding ISR 4461) |
| Power Consumption | Low-power design |
| Form Factor | Plug-in module |
| Use Case | Cisco Unified Communications and voice-enabled networks |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
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
A decade of delivery — trusted by 275+ clients across industries
