Cisco ISR4431-V/K9 Enterprise Router – High-Performance WAN

Equipment Overview

The Cisco ISR4431-V/K9 is an enterprise-grade Integrated Services Router from the Cisco ISR 4000 series, specifically configured as a Unified Communications (UC) Bundle. This model integrates a PVDM4-64 digital signal processor module and a UC License, enabling advanced voice and video services within a converged routing platform. It is designed to support branch office and mid-sized enterprise deployments requiring high-performance routing, security, and collaboration capabilities in a single chassis.

Main Parameters

• Model: ISR4431-V/K9
• Bundle Type: Cisco ISR 4431 UC Bundle
• Included DSP Module: PVDM4-64
• Licensing: UC License (pre-installed)
• Platform Series: Cisco ISR 4000
• Primary Function: Integrated routing with unified communications support

Key Advantages

This model is selected for enterprise projects due to its pre-configured UC bundle, which simplifies deployment of voice and video services without additional hardware procurement. The integrated PVDM4-64 module provides dedicated DSP resources for high-density voice processing, ensuring reliable call quality. The UC license eliminates the need for separate licensing steps, reducing operational overhead and accelerating time-to-service for collaboration-ready networks.

Compatibility & Integration

The ISR4431-V/K9 operates within the Cisco ISR 4000 family, supporting standard Cisco IOS XE software and management tools. It integrates with existing Cisco unified communications infrastructure, including Call Manager and Session Management Edition, and adheres to industry-standard protocols for SIP, H.323, and media gateway operations. The router is designed for seamless insertion into multi-vendor enterprise networks, supporting common Ethernet and WAN interfaces for flexible connectivity.