Cisco ISR4431-V/K9 Router – Enterprise-Grade WAN Solution

Product Description

The Cisco ISR4431-V/K9 is an enterprise-grade integrated services router from the Cisco ISR 4000 series, supplied as a Unified Communications (UC) Bundle. This model includes a PVDM4-64 packet voice/data module and the UC license, enabling integrated voice, video, and data services on a single platform. Designed for medium-to-large enterprise branch offices and service provider edge deployments, it provides high-performance routing and multi-service convergence.

Technical Specifications

• Model: ISR4431-V/K9
• Brand: Cisco
• Category: Network equipment, modems
• Bundle Type: UC Bundle (Unified Communications)
• Included Module: PVDM4-64
• License: UC License included
• Series: Cisco ISR 4000

Design Features

• Integrated services router architecture supporting concurrent routing, switching, and voice processing.
• PVDM4-64 module provides on-board digital signal processing for voice and video codecs.
• Modular chassis design compatible with Cisco ISR 4000 series interface modules and service modules.
• Unified communications functionality enabled via factory-integrated UC license.
• Enhanced hardware-based encryption and security offload capabilities.

Application Area

This router is deployed in enterprise branch offices, regional headquarters, and mid-sized colocation sites across Poland and the CEE region. It is well-suited for converged WAN environments requiring voice-over-IP, video conferencing, and secure data connectivity. The UC bundle configuration supports integration with Cisco Unified Communications Manager and other IP telephony infrastructure in multi-site corporate networks.