Aastra Telecom IP Phone - Manual (Page 43)

Model 57i IP Phone User Guide 35
Customizing Your Phone
7. Select Headset Mic Volume.
8. Select the Low, Medium, or High volume level. Default is Medium.
9. Press Done to save your selection.
Set Audio
Done -
- Select
1. Audio Mode
2. Headset Mic Volume
Headset Mic Volume
Done -
Cancel -
Low
Medium
High