Learn how to make Emergency Calls on your Nokia Lumia 928.
Make sure the phone is switched on.
Check for adequate signal strength.
You may also need to do the following:
Insert a SIM card.
Deactivate call restrictions you have activated for your phone, such as call barring, fixed dialling, or closed user group.
Make sure airplane mode is not switched on.
If the phone screen and keys are locked, unlock them.
Press Start key.
Tap Phone icon.
Tap Emergency call icon
Enter the official emergency number for your present location. Emergency call numbers vary by location.
Tap call.
Give the necessary information as accurately as possible. Do not end the call until given permission to do so.