1. Find "Additional settings"
Press the phone icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-50b33a31-e9dc-4d3f-9df7-22e8fac8d8d4.png?width=200&height=400)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4aae2319-94ce-4a01-9657-bac018216f83.png?width=200&height=400)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-55f52402-a253-40d5-8a6a-5ba40d9b938e.png?width=200&height=400)
Press Calls.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-53464567-7128-4ae5-a0e5-171951a1ec05.png?width=200&height=400)
Press GSM call settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fcd6efd8-2765-4b59-bf54-e386b5f3db77.png?width=200&height=400)
Press Additional settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-dc627a56-702e-41b9-bb89-918a384e5321.png?width=200&height=400)
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-76dd719e-2810-4212-b137-b90b5d862d89.png?width=200&height=400)
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-76dd719e-2810-4212-b137-b90b5d862d89.png?width=200&height=400)