The message waiting lamp at the top-right corner of the phone can also be used to indicate when you have a call alerting your phone. The lamp is flashed to indicate a call waiting to be answered.

 

1.Press the key menu MENU button.
2.Use the up arrow up and down down arrow arrow keys to highlight Call Settings.
3.Press Select.
4.Use the up arrow up and down down arrow arrow keys to highlight Visual Alerting.
5.Press the Change soft key to change the setting.
6.When completed, press the Save soft key.
7.Press the Back / Exit soft keys to exit the menus.