Cisco ISR4331-VSEC/K9 Voice Security Bundle w/ UC Sec. Lic Cisco ISP4331 ISR4331VSECK9

Description:

The Cisco ISR4331-VSEC/K9 Integrated Services Router is a voice and security bundle router used in enterprise WAN and unified communications systems to provide secure data and voice connectivity. Commonly installed in branch offices, corporate networks, and distributed enterprise environments where secure routing and voice services are required. Maintenance teams and system integrators use this router for deployment, upgrades, and replacement of legacy routing platforms to support secure communication and unified voice infrastructure.

Applications:

The Cisco ISR4331-VSEC/K9 router is widely used in enterprise networking environments requiring integrated voice and security capabilities. It is deployed in branch offices, retail locations, and corporate networks to support VoIP communications, secure VPN connectivity, and cloud-based services. With unified communications licensing and built-in security features, this router enables organizations to consolidate voice, data, and security services into a single platform for improved efficiency and performance.

Technical Specifications:

• Manufacturer: Cisco
• Model / Part Number: ISR4331-VSEC/K9
• Alternate Part Number: ISR4331VSECK9
• Product Type: Integrated Services Router (Voice & Security Bundle)
• License Type: UC (Unified Communications) + Security (SEC)
• Throughput: Up to 100 Mbps base (license upgradable)
• Interfaces: 3x Gigabit Ethernet RJ-45 ports
• NIM Slots: 2x Network Interface Module slots
• SM Slots: 1x Service Module slot
• Voice Support: Supports PVDM4 DSP modules for VoIP
• Security Features: IPSec VPN, firewall, encryption
• Routing Features: BGP, OSPF, MPLS, VPN support
• Management: Cisco IOS XE, CLI, SNMP
• Power Supply: Internal AC
• Mounting: Rack-mountable (1U)

Common Replacements:

• Cisco ISR4351-VSEC/K9
• Cisco ISR4321-VSEC/K9
• Cisco ISR4431/K9