Who called from 5713640118

Received call 9-4-13 @ 2:51 pm.  Four second voicemail with no message.

Received call 9-19-13 @ 12:41 pm.  Four second voicemail with no message.

Received a call at 8:40 AM Hawaii time on 09-24-2013.  Only silence and no voice, but line open.   After saying "hello" a number of times, I hung up.

Caller wanted to speak to the person in charge of my subscription to the Engineering News Record. Told them I had no such subscription, they launched into a sales script, and I hung up.

Asked for business owner then hung up