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CS AASTRA 6731i IP PHONE USER GUIDE V3.2.2  AASTRA – 2817-002 
CLEARSPAN® IS A RGISTERED TRADEMARK OF AASTRA TECHNOLOGIES LTD.  PAGE 34 OF 82 
 
Tone Sets: 
Provides country-specific tone set options for call progress tones. (The US tone set is the 
default.) 
Go to Options > Preferences and press 
Enter. 
Press   to scroll to Tone Set, or press 2. 
The Tone Set screen displays. 
The Tones Set screen displays. US is the 
default. The checkmark indicates the 
current setting. 
Press  Next to scroll to the desired tone 
set. 
4.4.2  Contrast Level 
The Contrast Level option lightens or darkens the display.  
Go to Options > Preferences and press 
Enter. 
Press   to scroll to Contrast Level, or 
Press 2. 
The Contrast Level screen displays. 
Contrast Level
Enter Next
2
The Contrast Level settings screen 
displays. 
Contrast Level
Select
Back
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Press   or   until you reach the 
desired contrast level. 
Press  Select to save the option. 
 
4.4.3  Speed Dial Edit 
See Speeddial.