I have problems receiving voice calls on my Apple iPhone 15

Press the phone icon.

Press Keypad.

**21*901#

**21*901#

Key in **21*901# and press the call icon.

**61*901*20#

**61*901*20#

Key in **61*901*20# and press the call icon.

Key in the required number of seconds before the call is diverted, e.g. 20. The number needs to be divisible by 5.

**62*901#

**62*901#

Key in **62*901# and press the call icon.

**67*901#

**67*901#

Key in **67*901# and press the call icon.

Press Dismiss.

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

Press the phone icon.

Press Keypad.

##002#

##002#

Key in ##002# and press the call icon.

Press Dismiss.

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

Press the Top volume key.

Press the Bottom volume key.

Press and hold the Side button until your phone restarts.