Who called from 5393025110

Called at work on my office phone, selling a "Free" wireless security system. Thanks, [***], but our building has its own security system.

recieved a call from this number this am. didnt answer it. I dont answer calls from unknown numbers. in these days of bad economy and high living costs its not as if youd be winning the lottery

can receive a "free" security system

Who is this [***] who called me

Called but did not respond after answering. Presume some scam.