HP 4120 IP Phone Black Handset - No stand/mount | Wty
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30-day returns

1 Year warranty
- Stand-alone operation in Lync environment
- 10/100/1000 PoE Ethernet Ports
- Power over Ethernet (PoE) connectivity
Perks you get with every purchase
Perks you get with every purchase
Warranty
If your item experiences a technical issue, we've got you covered—we'll either repair it or replace it for you!
30 days to change your mind
Feel free to return your item for any reason within the first 30 days of receiving it. It's that easy!
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Customer support
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Frequently asked qustions
Frequently asked qustions
What does the warranty cover?
Our warranty covers all hardware faults, but please note it doesn’t cover accidental damage or software issues. However, we’re here to help with technical support for those matters!
What is a refurbished device?
A refurbished device is a pre-owned item that has been restored to meet high-quality standards. At Reboot IT, we adhere to strict quality guidelines, ensuring that our refurbished products are not the same as used or secondhand items. We meticulously clean, test, and assess each device, replacing worn parts with high-quality components.
Unlike used items, which lack guarantees and rely solely on the seller's word regarding condition, refurbished devices come with assurance of quality and reliability.
What payment options are available?
We offer a variety of payment options to make your shopping experience as convenient as possible! You can pay using all major credit cards, Apple Pay, Google Pay, Shop Pay, Afterpay, Zip Pay, and PayPal. If you prefer, we also accept bank deposits and even cash for in-store purchases!
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We ensure secure processing of your payment information and do not retain or have access to your credit card details.
Description
Description
HP 4120 IP Phone - Certified Refurbished Microsoft Lync Desktop Solution
The HP 4120 IP Phone (J9766B) features a Windows CE processor with 3.5-inch TFT colour LCD display (320 x 240 pixels), dual Gigabit Ethernet ports, USB connectivity, and Microsoft Lync optimisation, delivering professional unified communications for modern office environments. This certified refurbished desktop telephone provides seamless integration with Microsoft Office 365 and Lync platforms, making it the ideal choice for businesses seeking reliable, feature-rich IP telephony solutions.
Ideal Use Cases
Perfect for corporate offices requiring unified communications integration, the HP 4120 excels in environments where Microsoft Lync and Office 365 connectivity are essential. Professional reception areas, executive offices, and conference rooms benefit from its advanced features including calendar integration, global address list access, and presence indicators. The device suits businesses transitioning from traditional phone systems to modern IP-based communications while maintaining familiar desktop functionality.
Key Features & Benefits
- Microsoft Lync Integration: Seamlessly connects with Microsoft unified communications platforms for enhanced productivity
- Advanced Audio Technologies: Features echo cancellation, noise suppression, and automatic gain control for crystal-clear conversations
- Dual Network Ports: Gigabit Ethernet with pass-through capability reduces cable requirements and simplifies installation
- Professional Display: High-resolution colour screen shows caller information, contacts, and meeting details
- Better Together Support: Enhanced integration with Lync desktop client including synchronized call controls and video capabilities
- Flexible Connectivity: USB host and device ports enable expanded functionality and accessory support
- Enterprise Audio: Wideband frequency response and professional-grade speakerphone capabilities
- Power over Ethernet: IEEE 802.3af PoE support eliminates need for separate power adapters
Technical Specifications
- Dimensions: 22.5 x 4.19 x 23.8 cm (W x D x H)
- Weight: 1.5 kg
- Display: 3.5-inch TFT colour LCD (320 x 240 pixels)
- Processor: Windows CE-based system
- Network Ports: Dual 10/100/1000 Ethernet with PoE
- Input Controls: 21 programmable buttons including navigation and soft keys
- Power Requirements: IEEE 802.3af PoE Class 2
- Operating Temperature: 0°C to 40°C
- Audio Technologies: Echo cancellation, noise suppression, adaptive jitter buffers
- Connectivity: USB host/device, headset port, wideband support
Windows CE Operating System
Pros: Designed specifically for embedded devices with minimal resource requirements, providing stable operation and reliable performance in business environments. The Windows CE platform offers excellent compatibility with Microsoft enterprise systems and supports Win32 programming interfaces for seamless integration.
Cons: Microsoft has discontinued support for Windows CE, meaning no future security updates or feature enhancements. This legacy operating system lacks modern capabilities and may present compatibility challenges with newer software platforms.
Quality Assurance & Warranty
All functions and features are comprehensively tested using advanced diagnostic software to ensure optimal performance. Reboot IT has been an industry expert since 2001, utilising cutting-edge testing technology to verify every device meets professional standards. Each unit undergoes Reboot IT's thorough refurbishment process, with all components verified through rigorous quality assurance protocols.
This certified refurbished HP 4120 IP Phone is backed by a comprehensive 1-year warranty from Reboot IT, providing complete peace of mind for your business communications investment.
Professional Refurbishment Standards
Every HP 4120 IP Phone receives meticulous attention during the refurbishment process. Our experienced technicians test all features and functions to guarantee like-new performance. As certified refurbishment specialists, Reboot IT ensures each device meets the highest quality standards before earning our Verified Refurb certification.
Note: Stand/mount not included with this unit.
Upgrade your business communications today with this professionally refurbished HP 4120 IP Phone - your gateway to enhanced productivity and seamless Microsoft Lync integration, backed by Reboot IT's trusted expertise and comprehensive warranty protection.
Specifications
Specifications
General | |
Brand |
HP |
Model |
4120 IP Phone |
UPC | |
Type |
IP Phone |
Colour |
Black |
Interface(s) |
What's in the box
What's in the box

EMBRACE THE GREEN SIDE: THE ECO-FRIENDLY MAGIC OF REFURBISHED TECH.
Purchasing refurbished items not only reduces e-waste and conserves trees, but it also decreases carbon emissions. Save money and the planet - it’s a win-win situation. Learn More
Why the 4120 IP Phone?

IP phone functionality
Standard IP telephony features for business communication needs.
Handset design
Traditional handset form factor provides familiar user experience.
Ethernet connectivity
Reliable wired network connection ensures stable call quality.
Cost-effective solution
Basic model offers essential features at budget-friendly pricing.
IP phone functionality
Standard IP telephony features for business communication needs.
Handset design
Traditional handset form factor provides familiar user experience.

Ethernet connectivity
Reliable wired network connection ensures stable call quality.
Cost-effective solution
Basic model offers essential features at budget-friendly pricing.
Still undecided? Ask our experts.
How Reboot IT Revitalises and Certifies Refurbished Equipment
Learn moreWELCOME TO REBOOT IT
Australia's number one source for Refurbished Desktops, Laptops, Monitors and more.
Since 2001, Reboot IT has been Australia’s trusted source for certified refurbished computers and IT hardware. Every device is rigorously tested and professionally refurbished to deliver reliable, like-new performance — all at a fraction of the cost of new equipment. With over 100,000 satisfied customers, we combine expert quality with unbeatable value. Shop with confidence knowing your refurbished device comes backed by warranty and supports sustainable tech reuse.