The app Se Hvem shows you who is calling you and provides you with the ability to stop unwanted phone calls. It is available for Android and works on all major mobile operators in Norway. 

The app provides you with a quick and easy way to see who is calling you and sending you SMS. It will let you search for unknown or unsaved numbers on your contact list. You can even look up for the address of the owner of the unknown number. Moreover, you can also quickly avoid calls from telemarketing companies.

With the help of this app, it is now possible to reserve yourself against phone calls and SMS from unknown numbers that might be scammers.