Used & Refurbished Avaya 8520 ISDN Phones

Gain the following capabilities at a hefty cost-savings when you buy used Avaya 8520 ISDN phones online from Black Box Resale.

Features:

  • 20 programmable buttons, ISDN terminal
  • 9 fixed feature buttons
  • Large supertwist LCD; 7-lines, 24-characters
  • Call logs keep track of 60 recent calls
  • Built-in speakerphone

System Requirements/Compatibility:

  • DEFINITY ECS G2 or G3
  • TN556B BRI ISDN line circuit card
  • Compatible with "custom" ISDN service from local service providers

Product shown in Black.

Condition SKU Description Stock Price Quantity
Refurbished XLDEF8520TADW LU DEF 8520T ISDN DATA VCE TER Get Quote
Refurbished XLDEF8520TADB LU DEF 8520T ISDN DATA VCE TER Get Quote