1. Find "Supplementary services"
Press the phone icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fd528b3b-f173-49d7-a706-22d55bd1d5b5.png?width=206&height=456)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4a7f1959-9346-4eeb-a581-ca216304b1ba.png?width=206&height=456)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9844ff35-97eb-4d2f-b25e-a2c4534e43ba.png?width=206&height=456)
Press Supplementary services.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d722c0d9-2a9b-4d81-aeb5-85f58f58fb45.png?width=206&height=456)
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-7739d75b-f11c-4c7c-8602-91a1e1c72374.png?width=206&height=456)
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-7739d75b-f11c-4c7c-8602-91a1e1c72374.png?width=206&height=456)