Aastra 6757i User Manual page 40

Customizing Your Phone
10.Select DHSG.
11.Select the DHSG is OFF or DHSG is ON option. Default is DHSG is OFF.
12.Press Done to save your selection.
33
Set Audio
1. Audio Mode
2. Headset Mic Volume
3. DHSG
- Select
Done -
DHSG
DHSG is OFF
DHSG is ON
Cancel -
Done -
41-001385-00 Rev 01 – 06.2013