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Cisco ISR4321-V/K9 2-Port Gigabit Voice CME Router
Price includes warranty
CISCO
Product Specification
| Series | Cisco ISR 4321 Series Router |
| Ethernet Ports | 2x Gigabit Ethernet Ports |
| Voice Support | Integrated Voice CME Support |
| VoIP Support | Supports VoIP and SIP Services |
| Operating System | Cisco IOS XE Operating System |
| Deployment | Rack or Desktop Deployment |
Refurbished · Tested
Cisco ISR4321-V/K9 integrated services router with two Gigabit Ethernet ports, voice CME support and Cisco IOS XE, refurbished for branch offices.
The ISR4321-V/K9 is the smallest member of Cisco's ISR 4000 family of branch routers, and the V in the part number marks the voice bundle: it ships enabled for Cisco Unified Communications Manager Express, VoIP and SIP services on top of its routing, VPN and security features. Two Gigabit Ethernet WAN ports, a modular slot for interface modules and Cisco IOS XE make it a complete branch edge device that can be rack mounted or set on a desk. Businesses in Qatar deploy a refurbished ISR4321-V/K9 where one box must route a site to the internet or a head office over VPN and also run the site's telephony, with analogue lines or PSTN trunks added through the module slot. ServerDove keeps it in Doha stock for branch and small office rollouts.
RTR-CISCO-ISR4321-VSpecification
The ISR 4321 is built around a modular chassis: the base router provides the Gigabit WAN ports and processing, and network interface modules add serial, analogue voice or switching ports as the site needs. The routing throughput of the 4321 is licensed, 50 Mbps as standard and 100 Mbps with the performance licence, which is ample for a branch on a typical Qatar business connection.
Voice on this platform needs digital signal processor resources in addition to the software: a PVDM module provides the channels for analogue ports and transcoding. Check what is fitted before planning a telephony rollout, and add an analogue interface module for FXS phone ports or FXO lines.
As a branch edge device the 4321 terminates the site's internet or MPLS connection on one Gigabit port and serves the LAN on the other, with IPsec VPN back to head office and firewall rules applied in IOS XE. Quality of service marking keeps voice traffic ahead of data on a congested link, which matters when the same router carries the phones.
Part numbers and identification
Condition & testing
- Powered on and boot verified
- Ports tested, configuration reset to factory defaults
- Fully working; minor cosmetic marks are possible on refurbished units.
- 6-month warranty on every unit we sell, with installation and support across Qatar.
What ships with this device
Images are for illustration. The unit supplied is the one described in the specification and may differ cosmetically.
Our team in Doha answers specification and compatibility questions during working hours.
Ask on WhatsApp sales@serverdove.comDoes the Cisco ISR4321-V/K9 support voice services?
Yes, it includes integrated Voice CME support and supports VoIP and SIP services.
What type of deployment does this router support?
This router supports both rack and desktop deployment for flexible installation.
How many Ethernet ports are included?
The router includes 2x Gigabit Ethernet ports.
What operating system does it use?
It runs Cisco IOS XE Operating System.
Is this router suitable for branch office networking?
Yes, it is designed as an enterprise branch router with secure routing and VPN features.
What does refurbished mean at ServerDove?
Off-lease or decommissioned enterprise hardware that we clean, test and reset in Doha. Every unit goes through POST, burn-in, memory and drive checks and a power-supply check, with firmware and BIOS returned to defaults and drives securely erased.
Can I ask about the exact unit before I buy?
Yes. Message us the SKU on WhatsApp and we will confirm the condition and configuration of the unit in stock, with photos if you want them.
How fast is delivery in Qatar?
Orders ship from Doha and arrive within one working day anywhere in Qatar. Delivery is free on orders over QAR 300.
Can I collect in person?
Yes, from Nuaija Office 7, Doha, usually within 24 hours of ordering. Choose pick-up at checkout and we will message you when it is ready.
What warranty is included?
A 6-month hardware warranty from the delivery date, covering the unit as supplied. If a part fails we repair or replace it. Full terms are on the warranty page.
What is your return policy?
If the unit arrives faulty or not as described, tell us and we will collect it and replace or refund it. Full terms are on the Refund Policy page.
Which payment methods do you accept?
Visa, Mastercard and American Express online. Bank transfer is available for company orders; contact us for details.
Is the price shown the final price?
Yes. The price shown is what you pay; nothing is added at checkout, and every order ships with an invoice in your name or your company's name.
Why buy refurbished
Enterprise hardware, tested in Doha, at a fraction of the price of new
Every unit we sell has already proven itself in a data centre. We test it again, grade it, and back it with a warranty before it leaves our stock.
Tested before it ships
POST, burn-in, memory and power-supply checks on every unit. Anything that fails is repaired or pulled from stock, not sold.
Same performance, lower cost
A Xeon runs the same workloads whether it is new or two years old. Spend the difference on more CPUs, memory or storage.
In stock, not on order
New enterprise hardware can take weeks or months to arrive. Ours is on the shelf in Doha and delivered across Qatar within a day.
Warranty and local support
Every unit is covered. Installation, configuration and hardware support are handled by our own team in Qatar, not a call centre abroad.