New Used & Refurbished Avaya 5420DG Phones

When you buy new Avaya 5420DG phones online from Black Box Resale you receive the perfect communication system for small businesses with single locations. Our used and refurbished 5420DGs also provide an affordable option and provide the same great features and benefits.

  • 5420 can only be used on the IP Office or Small Office – these terminals will not function on any other Avaya communications equipment
  • High-end feature set with productivity local call log and speed dial directory.
  • Advanced user interface.
  • Reduced installation and move costs – no paper labels.
  • Investment protection with downloadable firmware.
  • Large screen 7 line x 29 character display.
  • 24 Programmable call appearance/feature keys (arranged in 3 switchable display pages of 8 matching the 8 physical display buttons).
  • Adjustable Desk Stand.
  • Fully Global ready (Icons used to indicate fixed button functionality).
  • Large message waiting indicator.
  • Headset jack.
  • 9 Fixed feature keys below the display.
  • 7 Display navigation keys (4 soft, 3 fixed).
  • Local language customization (choice of languages for local phone menu).
  • Eight Personalized Ring Patterns.
  • Either desk or wall mountable.
  • Connects to an IP Office DS (Digital Station) port.
Condition SKU Description Stock Price Quantity
New NLDEF5420DG LU DEF 5420 DISP GRAY Get Quote
Refurbished XLDEF5420DG *LU DEF 5420 DISP GRAY In Stock Get Quote
Advance Replacement ALDEF5420DG *LU DEF 5420 DISP GRAY In Stock Get Quote