ESI 48 Key FD DFP Charcoal Full Duplex Speakerphone Backlit (5000-0531) - Grade A
-
20,000+★★★★★5 Star Reviews
Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
48 Key FD DFP Full Duplex Speakerphone is specifically designed for users who are very active. The ESI 48-Key Phone has a large display with backlight and plenty of programmable feature keys that will help you gain maximum productivity. Also, if you ever need more programmable keys, the ESI 48-Key Phone is easy to connect with up to two optional Expansion Consoles, each of which gives you an additional 60 programmable feature keys. The ESI 48-Key FD Digital Feature Phone is designed specifically for the ESI Com Server Systems.
Features
- Full Duplex
- 30 Programmable Keys
- Voice Mail Key
- Help Key
- 3x56 LCD Display
- Speakerphone
- Backlit Display
- Integrated Headset Jack
Includes
- New Handset Cord
- New Line Cord
- New Desi Overlays
Compatibility
- ESI Systems: 50, 100, 200, 600, 1000
Condition
- This listing is for an A-Stock phone. A-Stock phones are in fully functional condition and have great aesthetic quality.

Grade A Refurbished
| Functionality | |
|---|---|
| Cosmetics |
All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.
48 Key FD DFP Parts & Accessories
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
Need help finding the right product?
Our team is ready with expert support before and after your purchase.
*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance. Free/fixed shipping offers exclude palletized items — call for freight rates.




ESI 48 Key FD DFP Charcoal Full Duplex Speakerphone Backlit (5000-0531) - Grade B
-
20,000+★★★★★5 Star Reviews
Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
Features
- Full Duplex
- 30 Programmable Keys
- Voice Mail Key
- Help Key
- 3x56 LCD Display
- Speakerphone
- Backlit Display
- Integrated Headset Jack
Includes
- New Handset Cord
- New Line Cord
- New Desi Overlays
Compatibility
- ESI Systems: 50, 100, 200, 600, 1000
Condition
- This listing is for a Grade B - Refurbished phone. Grade B - Refurbished phones are fully functional, but have moderate scratches and/or yellowing that cannot be removed through the refurbishing process.

Grade B Refurbished
| Functionality | |
|---|---|
| Cosmetics |
All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.
48 Key FD DFP Parts & Accessories
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
Need help finding the right product?
Our team is ready with expert support before and after your purchase.
*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance. Free/fixed shipping offers exclude palletized items — call for freight rates.










































































