Cisco ISR4321-V/K9 Voice Router with PVDM3-32 DSP Module
ServerDove
Product Specification
| Brand | ServerDove |
| SKU | RTR-CISCO-ISR4321V-PVDM3-32 |
| Model | Cisco ISR4321-V/K9 |
| Product Type | Voice Router |
| Ethernet Ports | 2 × Gigabit Ethernet ports |
| Voice Support | Voice-enabled platform (CME support) |
| DSP Module | PVDM3-32 |
| Voice Gateway Support | VoIP, SIP, and analog voice gateways |
| Form Factor | Rack-mountable compact design |
About This Product
Overview
The Cisco ISR4321-V/K9 Voice Router with PVDM3-32 DSP Module is designed for branch environments that need both reliable routing and integrated voice functionality. As a voice-enabled integrated services router, it supports Cisco CME (Call Manager Express) deployments and is well suited for organizations building or expanding IP telephony infrastructure. Its compact, rack-mountable design makes it a practical fit for office network closets and branch installations where space efficiency matters. With two Gigabit Ethernet ports, the platform provides the connectivity needed for small to medium business networks while keeping voice and data services on a single device. This combination makes it a versatile option for teams looking to simplify network architecture without sacrificing voice capability.
Performance & Scalability
Built for enterprise branch use, the ISR4321-V/K9 is intended to handle routing and voice gateway tasks in one platform, helping reduce the number of separate devices required in a deployment. The installed PVDM3-32 DSP module adds dedicated voice processing support, which is important for VoIP and gateway functions that rely on digital signal processing. Support for VoIP, SIP, and analog voice gateways gives the router flexibility in mixed telephony environments, whether it is being used for IP phones, call manager express services, or integration with legacy voice systems. For organizations that need a dependable edge device for branch office communications, this router offers a focused feature set that aligns with practical telephony and networking requirements.
Storage Flexibility
While this product is primarily a voice router rather than a storage device, its value comes from the way it consolidates network and voice functions into a single platform. By combining routing, voice gateway support, and DSP capability, it can help streamline branch infrastructure and reduce the need for additional standalone voice hardware. The compact chassis and rack-mountable format also make it easier to integrate into existing network setups where equipment space is limited. For IT teams managing branch telephony, this kind of consolidation can simplify deployment planning and ongoing equipment management.
Why Choose This Product?
The Cisco ISR4321-V/K9 Voice Router with PVDM3-32 DSP Module is a strong choice for businesses that need a practical voice-enabled routing platform for branch office use. It is especially relevant for IP telephony projects, CME deployments, and VoIP gateway solutions where voice support is a core requirement. The included PVDM3-32 module adds the processing resources needed for voice applications, while the dual Gigabit Ethernet ports support network connectivity in a compact footprint. For buyers seeking a networking device that brings together routing and voice capabilities in one unit, this model offers a focused, enterprise-oriented solution.
Why Buy a Refurbished Products?
Refurbished enterprise servers offer enterprise-grade performance at a fraction of the new price.
Up to 70% Cost Savings
Refurbished R650xs units deliver identical hardware capability to new, at significantly lower upfront cost — freeing budget for CPUs, RAM, and storage.
Fully Tested & Verified
Every unit undergoes comprehensive hardware diagnostics before dispatch. POST tests, burn-in, memory checks, and power supply verification are standard.
Immediate Availability
Unlike new enterprise servers with lead times of weeks or months, refurbished stock is ready to ship within 24 hours of ordering.
Same Performance
The hardware inside the R650xs performs identically whether purchased new or refurbished. The 3rd Gen Xeon platform, PCIe Gen4, and iDRAC9 are unchanged.
Frequently Asked Questions
What is the Cisco ISR4321-V/K9 used for?
It is used for branch routing and voice-enabled deployments, including IP telephony and VoIP gateway applications.
Does this router support Cisco CME?
Yes, the ISR4321-V/K9 is a voice-enabled platform with CME support.
What voice capabilities are included?
This unit supports VoIP, SIP, and analog voice gateway use cases.
What DSP module is installed?
The router includes a PVDM3-32 DSP module.
How many Ethernet ports does it have?
It has 2 Gigabit Ethernet ports.