1. Find "Supplementary services"
Press the phone icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b9c8b03a-d135-4442-a454-47ec9b04fe4b.png?width=200&height=448)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-877e2729-f2e5-41c1-a039-f24b42565629.png?width=200&height=448)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1dc99451-7bd7-4bc6-bd20-c7e6da077893.png?width=200&height=448)
Press Supplementary services.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1a58e4b1-bcb7-4239-a54b-41992209a2fb.png?width=200&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-9147ff09-6a7e-4385-81dd-83b6ccb881f3.png?width=200&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-9147ff09-6a7e-4385-81dd-83b6ccb881f3.png?width=200&height=448)