Used & Refurbished Avaya 8503 ISDN Phones

Buy used Avaya 8503 ISDN Phones online and gain the following features and benefits from this comprehensive phone system.

Features:

  • 3 call appearance (rubber dome) buttons
  • 9 fixed feature buttons, 3 with secondary functions
  • Includes easy-to-use fixed key features
  • 12 one-touch speed dial numbers

System Requirements/Compatibility:

  • DEFINITY ECS G2 or G3
  • TN556B BRI ISDN line circuit card
  • Compatible with "custom" IDSN service from your local phone company

Product shown in Black.

Product Options
Condition SKU Description Stock Price Quantity
Refurbished XLDEF8503W LU DEF 8503 ISDN VOICE TERMINA Get Quote
Refurbished XLDEF8503B LU DEF 8503 ISDN VOICE TERMINA Get Quote