1. Find "Supplementary services"
Press the phone icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-66925077-55c2-4a3d-bafe-ce31708d7158.png?width=214&height=458)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-cf54bdad-772a-4850-a0c3-b1010f96a585.png?width=214&height=458)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9ca50214-c10a-42ae-b98c-d7a088df2854.png?width=214&height=458)
Press Supplementary services.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-96664594-492a-4348-bfae-a05a4e4b4b24.png?width=214&height=458)
2. Turn call waiting on or off
Press the indicator next to "Call waiting" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-95fb3e72-6f46-4c16-8a0e-1551814eb77c.png?width=214&height=458)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-95fb3e72-6f46-4c16-8a0e-1551814eb77c.png?width=214&height=458)