Cisco ISR4451-X-VSEC/K9 Router | Voice + Security

Cisco ISR4451-X-VSEC/K9 is a high-performance Integrated Services Router combining Voice and Security capabilities, ideal for enterprise branches and head offices.

It is bundled with both UC (Unified Communications) and SEC (Security) licenses, enabling it to function as a SIP Gateway, VoIP platform, and a secure firewall/VPN router.

With default 1 Gbps throughput (upgradeable to 10 Gbps), 4 Gigabit interfaces, and expansion slots, it is engineered for environments needing secure and scalable voice + data convergence.

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

Ideal For Cisco ISR4451-X-VSEC/K9

• Secure Voice + Data branch offices
• SIP trunking & IP telephony integration
• VPN + Firewall + Unified Communications
• Call centers & telecom service environments
• Rental for Proof of Concept (PoC) or temporary UC deployment

Why Choose RebuyIT for Cisco ISR4451-X-VSEC/K9

• Tested and verified Cisco ISR4451-X-VSEC/K9 units
• Original Cisco adaptor included
• Rent or Sale with pan-India delivery
• Covered by a 1-Year Replacement Warranty
• Optional configuration and support available

FAQ – Cisco ISR4451-X-VSEC/K9

Q1: What is the VSEC license bundle?

A: It includes both UC (Voice) and SEC (Security) licenses—enabling CUBE, SRST, SIP Trunking, Firewall (ZBFW), VPN, and NAT.

Q2: Is this router suitable for VoIP and firewall in one?

A: Yes. It’s a single-box solution for voice + secure networking.

Q3: Can I deploy this as a SIP gateway?

A: Absolutely. With CUBE + SRST, it handles SIP trunks and PSTN fallback.

Q4: Do you offer this for temporary deployment?

A: Yes. RebuyIT provides flexible rental plans.

Q5: What comes with the unit?

A: Cisco ISR4451-X-VSEC/K9, original power adaptor, and rackmount kit (on request).