Call at least once a day and never leave a message

Call once a day and don't leave a message

This number calls at least once a day and doesn't leave a message

This number has called me multiple times a day for over 2 weeks straight now. I don't know how to make them stop, they never leave a message... I'm tired of it.

*****This number constantly calls with NOTHING AT THE OTHER END!!!!!!!!!!  
        I'm ready to Smash the person committing this act!!!!!!!!!!!!!!!!!
**********What is their PROBLEM?  What type of thrill do they get from annoying people ALL THE TIME?
**************THEY'RE PRETTY CREWED!!!!!!!!!!!!!!!!!!!!!!!!!!