Cisco ISR4431-VSEC/K9 Router

Cisco ISR4431-VSEC/K9 is a powerful Integrated Services Router from the Cisco 4000 Series, combining Unified Communications (Voice) and Security features in one platform.

It comes with both UC (Voice) and SEC (Security) licenses, making it ideal for secure, voice-enabled enterprise branch offices. With support for SIP trunking, CUBE (Cisco Unified Border Element), SRST, Zone-Based Firewall (ZBFW), VPN, and NAT, this router delivers secure and high-performance voice, video, and data convergence.

RebuyIT offers this model for Rent and Sale PAN India, with a Cisco original power adaptor and a 1-Year Hardware Warranty.

Ideal For Cisco ISR4431-VSEC/K9

• Secure VoIP Deployments
• Unified Communications + Firewall Gateway
• SIP Trunking & PSTN Voice Gateway Solutions
• VPN + Voice for Remote/Branch Offices
• Temporary projects (RebuyIT rental available)

Why Choose RebuyIT for Cisco ISR4431-VSEC/K9

• All devices tested & quality assured
• Supplied with Cisco Original Power Adaptor
• Nationwide Rent or Buy options
• 1-Year Hardware Replacement Warranty
• Dedicated technical support & fast shipping

FAQ – Cisco ISR4431-VSEC/K9

Q1: What’s the difference between VSEC and AX or SEC bundles?

A: VSEC combines Voice (UC) and Security (SEC) functions. It’s ideal for branches that require both telephony + security in one box.

Q2: Is this SIP trunk ready with CUBE support?

A: Yes. It supports SIP trunking, CUBE, SRST, VoIP, and legacy PSTN connectivity.

Q3: Does this router support VPN and firewall?

A: Yes. The SEC license enables ZBFW, IPSec VPN, NAT, and ACLs.

Q4: Can I rent this unit for a project?

A: Absolutely. RebuyIT provides short-term and long-term rentals across India.

Q5: What’s included in the package?

A: Cisco ISR4431-VSEC/K9 Router, original Cisco power adaptor, and optional rackmount kit.