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PVDM2-32
32-Channel Packet Voice/Fax DSP Module
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PVDM2-32 is a high-performance Ethernet module engineered for advanced network environments that require rapid, reliable connectivity. It supports data rates up to 10Gbps via SFP+ connectors and is fully compatible with leading routers, switches, and servers, making it ideal for high-speed, data-intensive applications in modern data centers and enterprise networks.
This compact PCIe module is designed for seamless installation and integration into existing systems while supporting protocols like TCP/IP, iSCSI, and Fibre Channel. With features including auto-negotiation, jumbo frame capabilities, and quality of service enhancements, PVDM2-32 is optimized to deliver efficiency and scalability for network infrastructure upgrades and capacity expansion.
PVDM2-32 price is $724.00, a 54.8% saving from the Cisco list price of $1,600.00. PVDM2-32 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for PVDM2-32 for additional pricing. Browse the full Pvdm Voice/Fax Modules series or explore all Cisco products.
In a 500-seat contact center running Cisco ISR routers, deploying the PVDM2-32 32-Channel Packet Voice/Fax DSP Module enables simultaneous processing of up to 32 VoIP calls per module. By offloading G.711, G.729 and T.38 fax transcoding to the DSP hardware, the solution delivers sub-10 ms latency, 99.999% uptime and seamless SIP-to-PSTN integration. Benefit: Maximizes call capacity on existing router platforms, reduces TCO by 30%, and ensures crystal-clear voice quality under peak traffic.
A multi-site healthcare provider leverages the PVDM2-32 module in Cisco voice gateways to support HIPAA-compliant T.38 fax transmissions between hospitals and insurance carriers. The on-board DSP ensures real-time error correction, dynamic jitter buffering and guaranteed delivery of up to 32 concurrent fax sessions. Benefit: Achieves end-to-end data integrity, reduces fax transmission failures by 95%, and maintains regulatory compliance without adding standalone fax servers.
A global manufacturing firm equips each remote branch office with a Cisco ISR router populated with PVDM2-32 modules to enable 32 simultaneous voice and fax channels. Centralized SIP trunking, media termination points and automated codec negotiation run on the DSP, offloading CPU and optimizing bandwidth. Benefit: Streamlines deployment of unified communications across 50+ locations, lowers per-site hardware costs by 40%, and accelerates onboarding of voice services in under 2 hours.
To get the detailed certification, please go to the Compliance Center.
| PVDM2-32 |  PVDM3-64 |  PVDM3-256 |  PVDM2-12DM |  PVDM2-48 | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Voice Processing Module | Network Module | Network Module / Network Card | Network Module |
| Module Type | Ethernet | N/A | Ethernet | Ethernet | Ethernet |
| Data Rate | 10G | N/A | 10Gbps | 10G | 10G |
| Connector Type | SFP+ | N/A | SFP+ | SFP+ | SFP+ |
| Supported Protocols | TCP/IP, iSCSI, Fibre Channel | SIP / H.323 / MGCP | TCP/IP, iSCSI | TCP/IP / iSCSI / Fibre Channel | TCP/IP |
| Form Factor | PCIe | Modular | PCIe | PCIe | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Arista, Dell, HP | Cisco Voice Gateways | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP |
| Max Speed | 10Gbps | N/A | 10Gbps | 10Gbps | 10Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Digital Signal Processing, Echo Cancellation, Codecs Support | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 8W | N/A | 15W | 10W | 20W |
| Interface Ports | SFP+ | N/A | Ethernet, SFP+ | Ethernet | Ethernet |
| Expansion Slots | N/A | N/A | SFP+ | N/A | N/A |
| Product Name | PVDM2-32 High Performance Ethernet Module | Cisco PVDM3-64 Voice Processing Module | PVDM3-256 Network Module | PVDM2-12DM | PVDM2-48 Ethernet Module |
| Height | 0.5 inches | N/A | 0.5 inches | N/A | 1.0 inches |
| Width | 3.5 inches | N/A | 3.5 inches | N/A | 8.6 inches |
| Depth | 4.9 inches | N/A | 7 inches | N/A | 1.5 inches |
| Weight | 0.7 lbs | N/A | 1.5 lbs | N/A | 1.2 lbs |
The 32-channel packet voice/fax DSP module is ideal for our network. It supports high-volume voice and fax processing with excellent reliability and performance.
We upgraded to the PVDM2-32, and it's been a great choice. It provides excellent voice processing, handling higher volumes of traffic without slowing down.
This DSP module has exceeded our expectations. The PVDM2-32 supports high-demand voice processing, ensuring smooth, uninterrupted communications for our network.
The PVDM2-32 is a reliable solution for our communications needs. It delivers excellent voice and fax processing with minimal latency and optimal performance.
The PVDM2-32 has been a valuable addition. It offers high-quality voice and fax processing and is perfect for handling our growing network traffic.
The PVDM2-32 is a Cisco digital signal processor module that delivers up to 32 simultaneous voice and fax channels for packetized networks, enabling high-density voice and fax services.
PVDM2-32 supports up to 32 concurrent channels for voice calls and fax transmissions using standards such as G.711, G.729, and T.38.
PVDM2-32 is compatible with Cisco ISR G2 routers (e.g., 2900, 3900 series) and aggregation services routers that include a PVDM2 slot.
PVDM2-32 supports G.711, G.729a/b, G.723.1, G.726, G.728, and T.38 fax relay codecs for broad interoperability.
No additional license is required for up to 32 channels on PVDM2-32; codecs and DSP resources are included out of the box.
Power down the router, insert PVDM2-32 into the PVDM2 slot, secure the module with screws, then power up and configure DSP resources in IOS.
Yes, you can combine PVDM2-32 with PVDM2-16 or other PVDM2 modules in multi-slot routers, up to the chassis’ aggregate DSP capacity.
Use the “show voice dsp” and “show platform hardware qfp active feature voice” commands to display active channel counts and DSP usage.
PVDM2-32 consumes approximately 6.4 watts under full load, fitting within typical ISR G2 and ASR power budgets.
Yes, PVDM2-32 provides built-in echo cancellation, conferencing for up to 32 participants, and silence suppression.
Yes, PVDM2-32 supports real-time fax relay with T.38 for reliable fax delivery over packet networks.
PVDM2-32 delivers carrier-grade voice quality with minimal latency, robust jitter buffering, and compliance with ITU-T standards.
Replace the existing PVDM2-16 module with a PVDM2-32 in the same slot, then verify DSP resources via IOS commands.
Ensure your router runs a Cisco IOS release that supports PVDM2; no additional module firmware is required.
Cisco provides a limited lifetime warranty on PVDM2-32, covering defects in materials and workmanship with online replacement service.
PVDM2-32 is available through authorized Cisco partners and resellers; contact your Cisco account representative for pricing and availability.