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CS 6757i IP PHONE USER GUIDE V3.2.2  AASTRA - 2788-003 
CLEARSPAN® IS A REGISTERED TRADEMARK OF AASTRA TECHNOLOGIES LTD.  PAGE 31 OF 116 
3.17  Mute 
You can use the Mute key in any audio mode. 
 
Activate the Mute feature: 
During a call: 
Press the Mute key. 
 
If you place a muted call on hold, the 
phone automatically takes the call off 
mute when you reconnect to the call. 
  The red Mute lamp flashes. 
  The microphone icon   displays 
on the screen. 
  You can hear the caller, but the 
caller cannot hear you. 
Drop
Xfer
Conf
L1                           John Smith
More
Spd 100
Callers
Weather
Services
DND
00:45
More
Mary Jones
1003
Deactivate the Mute feature: 
Press the Mute key again.