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Home > Products > ICT Router > ISR4351 V/K9 – Secure Voice Gateway Router with SRST and CUBE original new in stock

ISR4351 V/K9 – Secure Voice Gateway Router with SRST and CUBE original new in stock

Product Details

Place of Origin: USA

Brand Name: Cis co

Certification: CE

Model Number: ISR4351 V/K9

Payment & Shipping Terms

Minimum Order Quantity: 1pc

Price: $1800/piece

Delivery Time: 1-3 working day

Payment Terms: T/T

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ISR4351 secure voice gateway router

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Cisco router with SRST support

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business VoIP router with CUBE

Part Number:
ISR4351 V/K9
Key Features:
ISR 4351 Voice Router
Brief Description:
Unified Communications Router
Details:
SIP Trunk Router
Warranty:
1 Year
Condition:
Original New
Packing:
Original New
Lead Time:
1-3 Working Day
Payment Term:
TT In Advance
Ship:
DHL FEDEX UPS
Original:
USA
Part Number:
ISR4351 V/K9
Key Features:
ISR 4351 Voice Router
Brief Description:
Unified Communications Router
Details:
SIP Trunk Router
Warranty:
1 Year
Condition:
Original New
Packing:
Original New
Lead Time:
1-3 Working Day
Payment Term:
TT In Advance
Ship:
DHL FEDEX UPS
Original:
USA
ISR4351 V/K9 – Secure Voice Gateway Router with SRST and CUBE original new in stock

ISR4351-V/K9 – Secure Voice Gateway Router with SRST and CUBE

Product Overview
The Cisco ISR4351-V/K9 is a voice-enabled integrated services router from the Cisco ISR 4000 Series, designed for medium to large branch offices that require converged voice and data services, secure WAN connectivity, and modular scalability. With the UC (Unified Communications) license included, this router supports SRST, CUBE, TDM voice, and video conferencing. The ISR4351-V/K9 delivers base performance of 200 Mbps, upgradeable to 400 Mbps, making it ideal for IP telephony, SIP trunking, and secure enterprise branch deployments.


Product Details

Specification Description
Product Code ISR4351-V/K9
Series Cisco ISR 4000 Series
Form Factor 2RU rack-mountable
Base Performance 200 Mbps (upgradeable to 400 Mbps)
Built-in Interfaces 4 x 1G RJ45, USB, Console
NIM Slots 2 x Network Interface Module slots
SM Slots 2 x Service Module slots
Voice Capability Yes – with UC license included
Supported Voice Features SRST, CUBE, SIP/H.323, TDM Voice Gateway
DRAM 4 GB (upgradeable to 16 GB)
Flash Storage 8 GB (upgradeable)
Power Supply Optional dual redundant AC/DC
Software Cisco IOS XE
SD-WAN Support Yes (via SD-WAN image)
Security Features ZBFW, IPsec VPN, CPPr (via SEC license)
High Availability NSF, ISSU, redundant PSU/fans supported


Product Features

Includes UC (Voice/Unified Communications) license for voice gateway functionality

Supports CUBE, SRST, SIP trunking, and PSTN TDM connectivity

Modular platform with 2 NIM + 2 SM slots for expansion (voice, WAN, LTE, switching)

Powered by Cisco IOS XE, enabling SD-WAN, automation, and advanced routing

Performance-on-demand licensing to scale throughput as business needs grow

Supports media-rich branch environments with video conferencing capabilities

Designed for resilient branch deployments with support for hardware redundancy


Similar Models Comparison

Model Voice License Max Performance NIM/SM Slots SD-WAN Ready Form Factor
ISR4351-V/K9 Yes 400 Mbps 2 / 2 Yes 2RU
ISR4451-V/K9 Yes 2 Gbps 3 / 2 Yes 2RU
ISR4331-V/K9 Yes 300 Mbps 2 / 1 Yes 1RU
ISR4431-V/K9 Yes 1 Gbps 2 / 1 Yes 1RU


Latest Voice-Enabled ISR Models Comparison

Model Performance Range UC Features Ideal Use Case
ISR4351-V/K9 200 – 400 Mbps SRST, CUBE, TDM Voice Medium to large branch IP telephony
ISR4451-V/K9 1 – 2 Gbps Full UC stack Large branches needing voice + WAN
ISR4331-V/K9 100 – 300 Mbps Basic UC, SRST Small branch voice gateway
 

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<p style=Sinanova specializes in supplying ICT networking equipment from leading brands such as Cisco, Huawei, and Juniper. Our product range includes switches, routers, firewalls, wireless access points and controllers, IP phones, video conferencing solutions, and more. We are committed to delivering original and reliable hardware along with professional ICT solutions—all at competitive prices. Our high-quality service ensures a smooth and hassle-free purchasing experience for our clients.

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