Avaya 5420 Digital Telephone (700381627, 700339823)

In stock
UPC: 00007003816270
Regular price $59.99

The Avaya 5420 is a multiline digital telephone that is geared for advanced users who handle large call volumes. The Avaya 5420 telephone puts convenient, high-end features and capabilities at your fingertips. The advanced user interface is designed to improve productivity, making it the ideal choice for sales representatives, executives, managers, and secretaries.




  • Display: 7 line x 29 characters large screen
  • Programmable Feature Buttons: 8 paperless line/feature buttons with 3 pages (Total of 24 programmable buttons)
  • Fixed Feature Buttons: Hold, Conference, Transfer, Drop, Redial, Mute, Volume Up/Down, Speaker, Headset, Message, Exit, and Menu 
  • Button Module Expansion: Yes, supports the Avaya EU24 Button Expansion Module (700345192, 700381817) for an additional 24 programmable line/feature buttons. An 1151C1 or 1151D1 power supply is required.
  • Contextual Softkeys: 4
  • Speakerphone: Includes 2-way/full duplex speakerphone
  • Wall-Mountable: Yes, included desk stand can be converted for wall-mount use
  • Headset Port: Yes
  • Navigation Keys: Yes, Left/Right Arrows for Menu Options
  • Storage: Local directory offers 104 entries, including speed-dial numbers. Call log offers 100 entries (missed, incoming, outgoing calls; includes call duration)
  • Message Waiting Indicator: Yes
  • Adjustable Tilt Display: No
  • Global Design: Uses Icon buttons and supports 8 different languages (English, German, French, Spanish, Italian, Dutch, Portuguese, and Katakana)



  • Avaya IP Office Release R3.0 or later – Any available digital station port on IP403 or IP406 V2 control unit, or IP400 Digital Station 16/30.
  • Avaya IP Office Release 7.0 or later – Must be running full IP Office Mode (Not compatible in Quick Mode). Requires available digital station port.
  • Avaya IP Office Release 8.0 or later - Requires Essential or Preferred Edition (not compatible in Basic Edition). Requires available digital station port.
  • NOT COMPATIBLE with Avaya Aura Communication Manager



  • 5420 Phone
  • Desk Stand
  • Handset with 9ft Cord
  • RJ11 Line Cord