If you call the number back, using their automated system, you can place your phone number on their "not interested" list. This will keep them from calling you again.
This is usually a recording trying to sell you a home security system. Then you have two options...talk to someone live or be removed from the system. The be removed option doesn't work.
If you call the number back, using their automated system, you can place your phone number on their "not interested" list. This will keep them from calling you again.