Doro 6520
1. Find "Call waiting"
Press the Navigation key.
Select Settings.
Select Calls.
Select Call setup.
Select Call waiting.
2. Turn call waiting on or off
Select Activate to turn on the function.
Press the Navigation key.
Select Deactivate to turn off the function.
Press the Navigation key.
3. Return to the home screen
Press Disconnect to return to the home screen.