Avaya MERLIN MAGIX Maintenance And Troubleshooting Manual page 338

System Programming Basics
Figure 2-1. The 4424-LD+ Telephone
1 Fixed Buttons
2
Softkeys
3 7 Line x 24 Character Display
4 Softkeys
5 Line Buttons
6 LEDs
7 Message Waiting LED
8 Microphone
9
Volume
10 Fixed Buttons
Overview
2-2