Avaya 8503 ISDN VOICE TERMINAL

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
  • Memory
  • Conference/Ring
  • Drop/Test
  • Transfer/Pause
  • Hold buttons
  • Adjunct jack

System Requirements/Compatibility:

  • DEFINITY ECS G2 or G3
  • TN556B BRI ISDN line circuit card
  • Compatible with “custom” IDSN service from your local phone company
2018-07-24T20:44:56+00:00