Who called from 3123005989

number calls almost every day   doesnt leave a message   and no one says  anything when I answer

I receive a call from this number two - three times a day and same as the above person.

This number calls me at least once a day. There is no one ever there when I answer and no message is ever left.

This number has called me every day for the past 2 weeks.  They never leave a message and when I pick up it disconnects.

This number has called for three months each time I answer no one is there.