Using call waiting on my mobile phone
Want to answer an incoming call during an ongoing call? It's called call waiting. It's easy, but remember you need to turn on call waiting before you can use this function.
Answer a new call
When you have an ongoing call, a new call is indicated by a sound signal. Tap and drag the circle right to answer the new call.
Tap the call on hold to activate it.
Activate the call you want to end and tap the end call icon.
Tap the end call icon to end the other call.