Aastra 6739I Installation Manual page 12

Keys
Line 1
Line 2
Line 3
Speaker/ Speaker/
Headset Headset
Mute
6 Model 6739i IP Phone Installation Guide
Key Description
Line/Call Appearance Keys - Connect you to a
line or call. The Aastra 6739i IP Phone IP phone
supports 3 line keys.
Speakerphone/Headset Key - Activates
Handsfree for making and receiving calls
without lifting the handset. When the audio
mode option is set, this key is used to switch
between a headset and the handsfree
speakerphone. See
on page 16 for more information.
Volume control key - Adjusts the volume for the
handset, headset, ringer, and handsfree speaker.
See "Adjusting the Volume"
information.
Mute key - Mutes the microphone so that your
caller cannot hear you (the light indicator flashes
when the microphone is on mute).
"Customizing your phone"
on page 17 for more