Cisco ISR4331-V/K9 – Integrated Services Router with Voice Bundle

Cisco ISR4331-V/K9 is a next-generation Integrated Services Router (ISR) from Cisco’s ISR 4000 Series, built to support voice, video, data, and security on a single, high-performance platform.

The “V” in the model signifies the Voice Bundle, making this router an ideal solution for unified communications, VoIP, and collaborative enterprise environments.

With up to 100 Mbps to 300 Mbps performance, modular interface options, digital signal processor (DSP) support, and Cisco Unified Border Element (CUBE) capabilities, it is widely used in branch office deployments requiring scalable WAN connectivity and integrated voice features.

Available through RebuyIT for purchase or rental across India, each unit is certified, tested, and backed by a 1-year hardware warranty.

Ideal Uses for Cisco ISR4331-V/K9

• Voice-over-IP (VoIP) & Unified Communications
• Branch office and remote site connectivity
• Call centers & telephony infrastructure
• VPN, MPLS, and secure WAN deployment
• Enterprise voice gateway or CUBE platform

Delivery, Warranty & Support

• Fully tested, Cisco-certified voice router
• 1-Year warranty from RebuyIT
• PAN-India delivery in 2–5 business days
• Available for rent or purchase
• Technical support & configuration assistance available

FAQs – Cisco ISR4331-V/K9 Router,

Q1: What is the “V” in ISR4331-V/K9?

✅ The “V” stands for Voice Bundle, which includes support for voice DSPs and PVDM modules.

Q2: Can this router handle both data and voice traffic?

✅ Yes, it is built for converged voice, video, and data over secure WAN links.

Q3: Does it support SRST and CUBE?

✅ Yes, it supports Survivable Remote Site Telephony (SRST) and CUBE.

Q4: Is this router available for short-term rental?

✅ Absolutely. RebuyIT offers flexible rental plans for projects, testing, or POCs.

Q5: What modules are supported?

✅ Supports NIM modules, SM-X modules, and voice DSPs (PVDM4 series).