ESI 55D Digital Speakerphone - Grade A
-
20,000+★★★★★5 Star Reviews
Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
Introducing the ESI Business Phone 55D, a 48-Button Charcoal Digital Speakerphone. This feature-rich Charcoal Digital Telephone is equipped with 30 programmable keys, 18 fixed feature keys, a full-duplex speakerphone, a headset jack, and a backlit display. Elevate your communication to the next level with this advanced device. It's designed to boost productivity, keep you connected seamlessly, and provide you with the convenience and functionality you need for your business communication needs.
Features
- Programmable keys: 30 (up to 150 with optional Expansion Consoles)
- Dedicated Voicemail key
- Dedicated ESI quick HELP key
- Integrated headphone jack
- Display: three-line, 56-character, adjustable backlighting
Included
- ESI Business Phone 55D 48-Button Charcoal Digital Speakerphone
- New Handset Cord
- New line Cord
- New Desi Overlays

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.
55D Digital Speakerphone Technical Specs
| Phone Type | Digital |
|---|---|
| Lines | Multi-line |
| Connection | Phone Line |
| Display | Yes |
| SIP | 0 |
55D Digital Speakerphone 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.




































































