called 2 times and did not leave message

They hang up once I answer .

They have called a few times to someone i know! they hang up at first then they keep calling and there calls are ignored. then they leave a creepy message and a weird laugh . police are going bto be called

Same thing happening, calling me and not saying anything. they have been calling me everyday for about a week now.

Called today, telemarketer offering energy efficient home upgrades IE paint, Windows and HVAC