10
Adjust the volume (speaker/handset/headset/ring). Volume
level will be displayed on LCD when pressing volume key.
Enter menu settings.
Pick up and hung up under the speaker mode.
Mute the mic in a conversation by pressing the Mute button;
this prevents the person on the active call from hearing what
you or someone else in the room is saying.
To un-mute, press the Mute button again.
Pick up and hung up under headset mode.
Check the Voicemail status.
Redial the last dialed number