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PVDM4-256
- Description:
- 256-channel DSP module
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PVDM4-256
256-channel DSP module
$12,860.00
$298.00
27 in Global Warehouse
$298.00
98% off
TRUSTED, TRIED, PROVEN
PVDM4-256 Overview
PVDM4-256 is a high-performance voice processing module engineered to deliver efficient, scalable voice service integration with enterprise-grade communication platforms. Designed as a DSP card with a modular PCI Express form factor, this module facilitates robust call processing while supporting integration with routers, IP gateways, and unified communications systems.
PVDM4-256 offers reliable compatibility with a range of commercial communication infrastructures and supports voice protocols including SIP and TCP/IP. With its optimized design for 256-channel voice processing and DSP acceleration, this module is ideal for expanding telephony capabilities in modern data centers and network edge devices.
What is the price of PVDM4-256?
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PVDM4-256 Specifications
| Product Type | Voice Processing Module |
| Module Type | DSP Card |
| Data Rate | N/A |
| Connector Type | PCI Express |
| Supported Protocols | SIP / TCP/IP |
| Form Factor | Modular |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Enterprise Routers & Communication Systems |
| Max Speed | N/A |
| Supported Features | 256-channel voice processing, DSP acceleration |
| Power Consumption | N/A |
| Interface Ports | N/A |
| Expansion Slots | N/A |
| Product Name | PVDM4-256 Voice Processing Module |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
PVDM4-256 Use Case
High-Density VoIP Call Processing for Enterprise Contact Centers
In a global call-center deployment, integrating the PVDM4-256-256-channel DSP module into Cisco ISR routers enables processing of 1,000+ simultaneous SIP trunks on a single chassis. This consolidation reduces hardware footprint by 40%, lowers OPEX through streamlined maintenance, and delivers carrier-grade voice quality (MOS ≥4.1) to improve customer satisfaction and operational efficiency.
Carrier-Grade Media Transcoding & Conferencing for Service Providers
A Tier-1 service provider leverages the PVDM4-256-256-channel DSP to perform real-time codec transcoding (G.711, G.729, G.722) and multi-party conferencing at network edge POPs. The module scales up to 256 simultaneous streams, ensuring seamless interoperability across legacy and IP-only networks, boosting service uptime to 99.999% and increasing ARPU by enabling premium conferencing add-ons.
Secure Voice Encryption & Low-Latency Communications for Government Networks
A federal agency deploys the PVDM4-256-256-channel DSP module for FIPS-compliant AES-256 voice encryption across remote field offices. Supporting 256 encrypted channels with sub-5 ms latency, it ensures mission-critical communications remain secure without sacrificing call clarity, fully meeting DoD security mandates and enhancing operational readiness.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP | Cisco, Dell, HP | N/A | Enterprise Routers & Communication Systems |
| Connector Type | PCIe | RJ-45 | SFP+ | PCIe | PCI Express |
| Data Rate | 1Gbps | 1Gbps | 10Gbps | N/A | N/A |
| Depth | 7.5 inches | 0.5 inches | 6.7 inches | N/A | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Form Factor | PCIe | PCIe | PCIe | PCIe | Modular |
| Height | 0.8 inches | 1.5 inches | 1.2 inches | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | PCIe | Ethernet | SFP+ | N/A | N/A |
| Max Speed | 1Gbps | 1Gbps | 10Gbps | N/A | N/A |
| Module Type | DSP | WAN | Ethernet | Digital Media Module | DSP Card |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 15W | 10W | 15W | N/A | N/A |
| Product Name | PVDM3-32 | PVDM2-8 WAN Module | PVDM2-64 High-Speed Network Module | PVDM2-24DM Digital Media Module | PVDM4-256 Voice Processing Module |
| Product Type | Digital Signal Processing Module | Network Module / Network Card | Network Card | Digital Media Module | Voice Processing Module |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Multi-channel processing, Auto-negotiation, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | N/A | 256-channel voice processing, DSP acceleration |
| Supported Protocols | TCP/IP, VoIP | TCP/IP | TCP/IP | TCP/IP | SIP / TCP/IP |
| Weight | 1.2 lbs | 0.4 lbs | 0.75 lbs | N/A | N/A |
| Width | 3.5 inches | 3.5 inches | 3.4 inches | N/A | N/A |
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Questions & Answers
Q
What is the PVDM4-256 256-Channel DSP Module?
A
The PVDM4-256 is a high-density digital signal processing (DSP) module designed to deliver up to 256 voice or data channels on supported Cisco ISR and ASR routers.
Q
How many voice and data channels does the PVDM4-256 support?
A
The module supports up to 256 simultaneous voice or data channels, enabling large-scale transcoding, conferencing and packet telephony applications.
Q
Which Cisco routers are compatible with the PVDM4-256 module?
A
The PVDM4-256 is compatible with Cisco ISR 4000, 4400 and ASR 1000 series routers that feature a PVDM4 expansion slot.
Q
What DSP functions does the PVDM4-256 enable?
A
It provides industry-leading DSP services such as G.711/G.729 transcoding, conferencing, transcoding, media termination and packet voice streaming.
Q
How do I install the PVDM4-256 in my router?
A
Power off your router, insert the PVDM4-256 into an available PVDM4 slot, secure it with the captive screws, then power the router back on.
Q
What are the power requirements for the PVDM4-256?
A
The module draws approximately 19 Watts under full load and operates at standard router power rails (12 VDC).
Q
What are the physical dimensions and weight of the PVDM4-256?
A
The PVDM4-256 measures 7.4 x 4.2 x 0.8 inches (188 x 106 x 20 mm) and weighs approximately 0.3 pounds (136 grams).
Q
What operating temperature range does the PVDM4-256 support?
A
It operates reliably between 0 °C and 40 °C (32 °F to 104 °F) in standard operating environments.
Q
What are the primary use cases for the PVDM4-256?
A
Common applications include large-scale IP telephony, media gateway functions, secure voice conferencing and multi-format transcoding.
Q
What performance benefits does the PVDM4-256 offer?
A
With 256 channels, it reduces deployment costs by consolidating DSP resources, lowers latency, and increases voice quality and reliability.
Q
How do I update the firmware on the PVDM4-256?
A
Use your router’s CLI to download and install the latest PVDM4 image via TFTP or USB, then reload the router to activate the update.
Q
What warranty and support options are available for the PVDM4-256?
A
Cisco offers a one-year limited hardware warranty and optional SMARTnet support plans for software updates, 24/7 access to TAC and advance replacement.
Q
How do I verify that my router recognizes the PVDM4-256?
A
In the router CLI, enter the command ‘show platform hardware qfp active feature voice dsp’ to display installed DSP modules and channel counts.
Q
Where can I purchase the PVDM4-256 DSP module?
A
Authorized Cisco resellers, partners and the Cisco online store carry the PVDM4-256. Contact your local Cisco representative for pricing and availability.
Q
What is the typical lead time for delivery of the PVDM4-256?
A
Lead times vary by region and reseller inventory but typically range from 1 to 3 weeks after order confirmation.
Q
How do I get technical support for the PVDM4-256?
A
For configuration help and troubleshooting, contact Cisco TAC via phone or the online support portal, referencing your product serial number.
