Aastra Telecom Pro 160 - Manual (Page 92)

Specifying IP Phone Preferences
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AastraLink Pro 160 IP Phone User Guide
7 Using the keypad, enter the amount of seconds you want the phone to stay backlit when the phone is
idle. Default is 10 seconds. When this period of time is reached, the phone turns OFF the backlight.
Use the Backspace and/or Clear softkeys to delete entries if required.
8 Press Done to save your changes.
Aastra IP Phone UI
Step Action