leaves on message machine hangs up

Robocall about my automobile's warranty (my 2000 Volkswagen's warranty is long gone).
Have received many calls on my cell phone from this company.  Attempts to get company name and location from one of their operators are met with an immediate hang-up.

Robocall about my automobile's warranty (my 2000 Volkswagen's warranty is long gone).Have received many calls on my cell phone from this company.  Attempts to get company name and location from one of their operators are met with an immediate hang-up.

Called at 1:37 PM and left no message.

Called me at 12:18pm Feb 20th on my house phone. Went to answering machine, hung up, and then immediately called my cell. Rang once and then hung up.  Totally ANNOYING!!!!