Please allow ~4-6 weeks to dispatch from Australia for quality control. Only 4 devices per customer may be shipped each day, so orders placed for more than 4 devices will be shipped over multiple days.
Products containing Lithium-Ion batteries (laptops and smartphones) are subject to extra safety requirements and are experiencing further delays.
If you are ordering a device that does not include a Windows 11 licence as standard, please check Microsoft's minimum system requirements to confirm if it can be upgraded later should you wish to do so.
Product images are for illustrative purposes only and may contain AI-generated content. They do not represent the exact product that is subject to the cosmetic grading policy detailed here.


Certified Refurbished Avaya JEM24 Expansion Module – Professional Phone System Enhancement
The certified refurbished Avaya JEM24 Expansion Module (Part Number: 700514337) features a 4.3-inch display with 272x480 pixel resolution, 24 programmable feature buttons with dual-colour LED indicators, H.323 and SIP protocol support, and PoE Class 2 power delivery—perfectly designed for receptionists, administrative assistants, and professionals who manage multiple phone lines and need instant access to expanded call handling capabilities.
Transform Your Communication Efficiency
This professional expansion module seamlessly attaches to your Avaya J169 or J179 IP phone, dramatically increasing your call management capabilities. Ideal for busy reception areas, executive assistants managing multiple departments, customer service teams handling high call volumes, and any professional environment requiring simultaneous monitoring of numerous phone lines. The intelligent page system provides access to up to 72 programmable buttons when using a single module, with expandability to support up to three modules per phone.
Key Features and Benefits
- 24 programmable feature/line buttons per module with customisable labels for personalised function descriptions
- Dual-colour LED indicators (red/green) on every button for instant line and call status visibility
- Dynamic display system: full colour when connected to J179, grayscale display with J169
- Three-page button access (72 total buttons) when using a single expansion module
- Adjustable brightness controlled directly from your base IP phone
- Supports both H.323 and SIP protocols for flexible deployment
- Daisy-chain up to three JEM24 modules to a single base phone for ultimate expandability
- No additional licensing required—simply connect and configure
- Customisable backgrounds and screensavers to match your base phone aesthetics
- Desk stand included; optional wall mount capability for flexible workspace configuration
Essential Technical Specifications
- Display: 4.3-inch diagonal, 272x480 pixel resolution
- Programmable Buttons: 24 per module with dual-colour LED indicators
- Compatible Devices: Avaya J169 and J179 IP phones exclusively
- Maximum Modules: Up to 3 expansion modules per base phone
- Protocols: H.323 and SIP support
- Power: PoE Class 2 via base phone (external 5V supply required for multiple modules)
- Dimensions: 115 x 175 x 140 mm (approximately)
- Weight: 454 grams
- Colour: Professional black finish
- Included Accessories: Desk stand
Understanding Your Module's Condition
Reboot IT offers this expansion module in two carefully graded conditions. Excellent grade units show minimal signs of previous use with only very minor scuffing or abrasions, maintaining an almost-new appearance ideal for client-facing environments. Good grade modules are fully functional with more visible signs of use, including possible light scratches and moderate wear on the housing, offering exceptional value whilst maintaining complete functionality. Both grades deliver identical performance and functionality—the difference is purely cosmetic.
Verified Reboot Refurb Quality Assurance
Every component and feature of this certified refurbished Avaya JEM24 Expansion Module has been meticulously tested and verified by Reboot IT's expert technicians. Since 2001, Reboot IT has been an industry leader in refurbished technology, utilising cutting-edge diagnostic software and rigorous testing protocols to ensure each unit meets exacting standards. We comprehensively test all features and functions including button responsiveness, LED indicator functionality, display quality, connectivity with base phones, power delivery systems, and complete integration testing with compatible Avaya J169 and J179 IP phones.
All Reboot IT refurbished units undergo our thorough Verified Reboot Refurb process, which includes complete hardware diagnostics, professional cleaning, secure data erasure where applicable, firmware verification, and final quality control inspection. Every expansion module is confirmed fully functional before dispatch.
Comprehensive 1-Year Warranty Protection
This certified refurbished Avaya JEM24 Expansion Module is backed by a comprehensive 1-year warranty provided by Reboot IT, demonstrating our confidence in the quality and reliability of every unit we sell. Our warranty covers all functional components including the display, programmable buttons, LED indicators, and connectivity systems, ensuring you receive a dependable expansion module that performs like new.
Ready to Enhance Your Phone System?
Upgrade your communication capabilities with this certified refurbished Avaya JEM24 Expansion Module. Whether you're managing a busy reception desk, coordinating multiple departments, or simply need enhanced call handling features, this professional-grade expansion module delivers the functionality and reliability your business demands. Order yours today and experience the Reboot IT difference—trusted expertise in refurbished technology since 2001.
| Model | BM12 |
| Type | VoIP System |
| Colour | Black |
| Ean | Does not apply |
| Brand | Avaya |
| UPC | Does not apply |
Refurbished Computers - Cosmetic Grading Guide
Our supplier's refurbished hardware is typically graded either "Excellent" or "Good", however, some legacy products were graded under a letter grading system (A, B, C). Please find the definitions for each grade below and contact us if you're uncertain of a device's grade.
Used Smartphone / Refurbished Mobile Phones
"Excellent" Grade
Devices in this category appear like new, with very minor wear. Expect light or fine scratches on the screen that are shallow enough not to catch on a fingernail. The edge around the glass is virtually flawless, save for possible light scratching around the power port. The back plate may show light/fine scratches, including on the Apple logo, with any discoloration being minimal.
"Good" Grade
These devices are characterized by being fully tested and functional even if they have body scratches, minor paint chips, or a small hairline crack on the screen. Screens are free from dead pixels but may exhibit slight scratching from moderate use.
Refurbished Desktops, Laptops and Monitors
"Excellent" Grade - Laptops
Reserved for units that show barely any signs of previous use, these laptops may exhibit very minor scuffing or abrasions, associated only with minimal standard use. The keyboards show light wear, and importantly, the screens are pristine, free from any scratches, cracks, chips, dead pixels, dark spots, discoloration, or blemishes.
"Excellent" Grade - Desktops
Desktop PCs in the "Excellent" grade category are free from deep scratches, cracks, paint chips, or any broken/missing pieces, ensuring a sleek and almost-new aesthetic.
"Excellent" Grade - Monitors
"Excellent" grade is reserved for units that show evidence of very little to no previous use. Any wear on an "Excellent" Display, including housing/frame and/or external surfaces (i.e. Frame) is associated with standard minimal use. "Excellent" units may have minor scuffing and / or minor abrasions on plastics with from standard light previous use."Excellent" Displays will feature no scratches, cracks, chips, dead pixels, dark spots, discoloration or blemishes. Units will only feature the standard minimal wear and tear that is associated with a used unit.
"Good" Grade - Laptops
"Good" laptops may feature one or several small dings or dents on covers and / or small paint chips on the surface or small hairline cracks in the bezel. Laptop screens may feature uneven light diffusion in screen and may feature subtle blemishes. "Good" Laptops will not feature cracks screens but may feature slight scratching, dead pixels or white spots on the screen.
"Good" Grade - Desktops
"Good" grade desktops may have light scratches on external body and may feature more excessive unit housing and/or external case wear than "Excellent" units, including wear on case / lid. "Good" PCs may feature one or several small dings or dents on covers and / or small paint chips on the surface.
"Good" Grade - Monitors
Displays in the "Good" grade have been fully tested and are functional but may include scratches on body, small paint chips, minor cracks on body, loose and/or wobbly bases. "Good" Display screens may feature uneven light diffusion in screen and may feature subtle to moderate blemishes. "Good" Displays will not feature cracks on screens but may feature slight scratching on screen surfaces from moderate use or wear, dead pixels or white spots on the screen.
Legacy letter grading
Used Smartphone / Refurbished Mobile Phones
A Grade
- No chips, scratches or cracks on the front glass and housing
- No missing or alternative parts
- No sign of liquid damage
- Battery cannot be swollen
B Grade – Same as A Grade except:
- May have light scuffs but no chips or cracks
- Light scratches on housing or front glass
C-Grade – Same as B Grade except:
- Unlimited long shallow scratches on the front glass
- No chips or cracks on the front glass
- Unlimited scratches, chips/dents on back cover housing and corners
- Minor cracks allowed
- Customized housing and aftermarket covers allowed
Refurbished Desktops, Laptops and Monitors
A-Grade
- Overall excellent to very good cosmetic condition. Some may be pristine, others may have light scratches or minor blemishes
- Laptops may have some shiny areas around the keyboard such as the space bar, touchpad or touchpad buttons
- Keyboard keys will be in excellent condition
- Laptop and monitor screens will be blemish free
- Cosmetic blemishes will not impact the overall functionality or performance of the device
B-Grade
- Will have some cosmetic blemishes that include scratches and/or other imperfections
- Minor scratches and dents on the housing
- Laptops may have shiny keys or shiny surfaces around the keyboard however all characters will be legible
- Laptop and monitors screens will have imperfections such as minor scratches, minor chips and/or white spots. There will be no cracking on the screen
- Have the same warranty as A Grade
- Pricing will be cheaper than A Grade
C-Grade
- Same as B-Grade except may have unlimited scratches/blemishes on the screen
- May have cracks/chips or dents on the housing
- Have the same warranty as A Grade
- Pricing will be cheaper than B Grade











