Cisco PVDM3-256 voice network module
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PVDM3-256
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PVDM3-256 Overview
The CISCO High-density Packet Voice Digital Signal Processor Module (pvdm3) Enables CISCO 2900 And 3900 Series Integrated Services Routers Generation 2 To Provide Rich-media Capabilities Such As High-density Voice Video Connectivity, Conferencing, Transcoding, Transrating, And Secure Voice In CISCO Unified Communications Solutions.
Summary Description
Cisco PVDM3-256
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Specifications
Overview
| Condition | New |
|---|---|
| Brand | Cisco |
| Stock | In Stock |
Network
| Quality of Service (QoS) support | Yes |
|---|---|
| Number of voice channels supported (max) | 256 |
Operational conditions
| Operating temperature (T-T) | -5 - 55 °C |
|---|---|
| Operating relative humidity (H-H) | 10 - 85% |
Technical details
| Compatibility | Cisco 2900, 3900 |
|---|
Frequently Asked Questions
What is the primary function of the Cisco PVDM3-256 voice module in a router? +
The PVDM3-256 is a high-density digital signal processor (DSP) module designed for Cisco Integrated Services Routers Generation 2 (ISR G2). Its primary role is to provide hardware-based transcoding and conferencing capabilities, offloading voice-processing tasks from the router's main CPU to ensure optimal voice quality and system performance during high-volume VoIP sessions.
Does the PVDM3-256 support high-density voice deployments? +
Yes, this module is engineered specifically for high-density voice environments. By utilizing advanced DSP technology, it supports a wide array of voice codecs, effectively managing concurrent voice calls and providing the necessary resources for complex media processing tasks required in large-scale enterprise IP telephony networks.
Which Cisco router platforms are compatible with the PVDM3-256 module? +
The PVDM3-256 is compatible with the Cisco 2900 and 3900 Series Integrated Services Routers. It is designed to slide directly into the dedicated slots on these chassis, providing a modular and scalable approach to expanding your voice and video capabilities as your organizational communication needs grow.
How does the PVDM3-256 improve voice quality during transcoding? +
By offloading the transcoding process to dedicated DSP chips, the module ensures that voice packets are processed with minimal latency and jitter. This hardware-based approach maintains superior audio fidelity even when converting between different codecs, which is essential for maintaining clear communication across diverse network endpoints.
Is the PVDM3-256 hot-swappable in a production Cisco ISR G2 environment? +
While the module is designed for modular installation, you should always consult the specific hardware installation guide for your ISR G2 chassis before attempting an insertion. Typically, power-down procedures are recommended for installing internal modules to ensure the safety of the device and to prevent potential configuration errors during the hardware initialization process.
What is the role of the PVDM3-256 in managing conferencing sessions? +
This module provides the necessary DSP resources to mix multiple voice streams into a single audio conference. By handling the complex mathematics required for audio mixing at the hardware level, it allows the router to host multi-party calls without negatively impacting the performance of other routing or security functions occurring on the device.
Can the PVDM3-256 be used for video processing in addition to voice? +
The module is primarily architected for voice signal processing, including compression, decompression, and echo cancellation. While it handles media streams efficiently, its primary deployment scenario remains voice-centric applications such as IP-PBX integration, voice gateways, and comprehensive unified communications setups within the Cisco ISR infrastructure.
How do I determine if my existing router requires a PVDM3-256? +
If your network requirements involve high-density concurrent voice calls, multi-codec transcoding, or hardware-accelerated conferencing that exceeds the base capacity of your current router, a PVDM3-256 is necessary. Evaluating your current DSP resource utilization via the Cisco IOS command line interface can help determine if you are reaching the limits of your onboard voice processing.
How can I obtain a bulk quote for multiple PVDM3-256 modules? +
For organizations planning large-scale deployments or infrastructure upgrades, we offer streamlined bulk quoting services. Simply reach out to our sales team with your required quantities, and we will provide competitive pricing tailored to your specific project needs to ensure your network procurement stays within budget while maintaining high hardware standards.
Why should I choose BuyRouterSwitch.com for purchasing Cisco hardware? +
BuyRouterSwitch.com is a trusted source for enterprise-grade networking equipment. We focus on providing seamless procurement experiences, offering professional support for your hardware acquisition needs, and maintaining a deep inventory of Cisco components. By choosing us, you receive dedicated attention from experts who understand the complexities of enterprise infrastructure and the importance of timely, secure hardware delivery.
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