1. Find "Supplementary services"
Press the phone icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fc3dc543-0316-49e7-b86e-f7f97b045ad4.png?width=202&height=448)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-721cbb71-fa2f-4ff0-bb78-6d0ba71ddb14.png?width=202&height=448)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-180bf2dd-f3c9-4d69-bfa9-6b1efa89710b.png?width=202&height=448)
Press Supplementary services.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8d5c6e63-a077-4af0-8f92-8c20915acbc8.png?width=202&height=448)
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-3927c861-4a93-445c-9ea5-a3b2142c56a4.png?width=202&height=448)
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-3927c861-4a93-445c-9ea5-a3b2142c56a4.png?width=202&height=448)