Avaya Merlin Magix 4424D+ Display Phone (Black/Refurbished) Accessories 25 protocol and the mode

25 protocol and the mode 3 protocol carried across the LAN bus

432 ports and 648 ports

Other buttons include: Drop/Test

Compatible with Partner Plus or Partner II systems release 3

Avaya Merlin Magix 4424D+ Display Phone (Black/Refurbished) Accessories 25 protocol and the modeKey Features: 2x24 Character LCD Display 24 Programmable Feature Line Buttons 4 Navigation Keys for Browsing Feature Menus and Programming Dedicated Merlin Magix Headset Jack Displays Caller ID Displays Internal Extension Information Hold Transfer Conference Redial Mute Built in 2 Way Speakerphone Handset Handset Cord Line Cord Professional Appearance Black