Use call waiting
When you have an ongoing call, the new call is indicated by a sound signal.
Press Connect.
Press Connect.
Swap calls
Your calls are displayed on a list and the call on hold is indicated by On Hold.
Press the Menu key.
Scroll to Swap and press the Navigation key to swap calls.
End active call
Make sure the call you want to end is active.
Press Disconnect.
Press Disconnect.
Press the Menu key.
Scroll to Resume and press the Navigation key to resume the ongoing call.
Exit
Press Disconnect to return to standby mode.