AT&T Merlin Legend MLX-10 User Manual page 34

Quick Start
NOTE:
If you have difficulty hearing the other person while using
your speakerphone, background noise may be interfering
with the reception and transmission. Lowering the volume
of the speakerphone reduces the interference. Also, do
not place anything in front of the microphone.
1. If the red light next to the ICOM or SA button is not on,
press the button.
The red light goes on.
2. Lift the handset or press Speaker.
The green light next to the line button goes on.
Dial the extension number.
3.
For voice-announced calls, begin talking when you
4.
hear a beep.
Making Calls 2 - 5