Audio Settings; Volume; Ring Tones - TIPTEL IP-280 Manual

Enterprise IP Phone
6) If you choose Lock&Answer, it will show the icon
To unlock the phone via Phone interface:
1) Press MENU key, you are prompted for the password.
2) Enter the password, and then press OK button, the phone is unlocked.
3) If you choose Lock&Answer, you have to enter MENU->Settings->Advanced->
Keypad Lock interface to disable this option.
To enable keypad lock via Web interface:
Choose Phone->Preference to do the relating changes. Please refer to the instructions
above for the parameters' detail.
Note:
1. The default password for unlock is admin.
2. Users can make emergency calls when the phone is locked.

Audio Settings

Volume

You can adjust the volume of handset/speaker/headset.
To adjust the volume when you are not in an active call:
1) Press MENU->Settings->Basic.
2) Scroll to Phone Volume, and press OK button, highlight the one you want to adjust
the volume, use the volume adjustment bar or navigation keys to adjust the
volume.
3) Press OK button to save the contrast change or MENU key to cancel.
To adjust the volume when you are in an active call:
When Handset/Headset/Hands-free mode is activated, press the Volume Adjustment
Bar to a comfortable level.
Note:
The volume can only be adjusted via Phone interface.

Ring Tones

You can adjust the type and volume of the ring tone.
Customizing Your Phone
and
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on the user interface.