Cisco ISR4451-X-V/K9 Enterprise Router

What It Is

The Cisco ISR4451-X-V/K9 is a high-performance integrated services router from the Cisco ISR 4000 series, specifically configured as a Unified Communications (UC) bundle. It integrates advanced routing, security, and voice capabilities into a single modular platform, designed for enterprise branch offices and medium-to-large deployments requiring reliable voice and data convergence.

Technical Details

• Model: ISR4451-X-V/K9
• Bundle Type: UC Bundle, including PVDM4-64 digital signal processor module
• Licensing: Unified Communications license (UC Lic) pre-included
• Chassis Class: Modular ISR 4000 series, supporting service module expansion
• Voice Processing: PVDM4-64 provides on-board voice and video DSP resources for high-density telephony
• Platform Role: Integrated services router for WAN aggregation, voice gateway, and security services
• Compatibility: Designed for enterprise networks requiring integrated voice and data routing

Configuration & Options

• Includes PVDM4-64 module for enhanced voice and video processing capacity
• UC license enables unified communications features without additional software procurement
• Supports further modular expansion via ISR 4000 series interface modules and service modules
• Available as a factory-assembled bundle for simplified ordering and deployment

Operating Conditions

This router is intended for deployment in enterprise branch offices, regional headquarters, or colocation sites where converged voice and data services are required. It operates in controlled indoor environments (standard rack or shelf mounting) and supports high-availability configurations within a broader Cisco ISR 4000 network. The UC bundle is suited for organizations deploying Cisco Unified Communications solutions alongside their core WAN routing infrastructure.