We specialize in used & refurbished business phones for existing phone systems

PLEASE NOTE: All business telephones listed on this web site will operate only if connected to the appropriate phone system. They will not function as a stand-alone telephone.

Avaya 5420 Phone

+ Picture of Avaya 5420 Phone
Price Each:

Avaya 5420 Telephone - The Avaya 5420 is a multi-line digital phone that runs off of the Avaya IP Office system. 

  • Model 5420 Large Display
  • 700339823 Phone Model
  • 700381627 Phone Model
  • 7 line, 29 character Large display to show users, eliminating the need for paper labels
  • 24 buttons total
  • 8 Ring Patterns
  • Headset and Hearing Aid Compatible 
  • Must be connected to an Avaya IP Office Phone System 
  • Refurbished, comes with handset, new line cords, new handset cord, and stand
Double check compatibility:
If running an IP Office system, you must have a DS Port available on IP small office Release 3.0 or higher.
If running it on Avaya IP Office 7.0- IP500 you must run it in full IP mode, not quick mode.
If running it on Avaya IP Office 8.0 - IP500 it must be running on Essential Edition