Called my cell and hung up when I answered. Called back and received message that an agent would pick up shortly. After waiting a while, I hung up.

They keep calling and leave no message and I don't answer strange numbers!

Have received numerous calls from this number.  I finally called 'em back and received a message that an agent would be with me shortly.  After waiting some time an agent did come on and refused my request for the name of the company.  They kept asking for some one I don't know.  I kept insisting for the name of the company.  They would not divulge the name and kept repeatedly asking for this person.  Finally one of 'em ( a female) said I'm not giving you our name and hung up.