Nokia Asha 503

Step 1 of 4

Find "Calls"

Press Settings.

Step 2 of 4

Find "Calls"

Press Calls.

Step 3 of 4

Turn call waiting on or off

Press the indicator next to "Call waiting" to turn the function on or off.

Step 4 of 4

Return to the home screen

Press and hold the Return key to return to the home screen.