Name Unavailable.  Didn't answer.

Received a call from this number on my business line. Supposedly from the "computer department" but I work for a large company. Suspect it's a variant of the "tech support scam" that Microsoft has been warning people about for some time now: http://www.microsoft.com/security/online-privacy/avoid-phone-scams.aspx.

Caller ID shows "NAME NOT FOUND" on an AT&T phone line.

Got a call from this number. Said hello twice. Silence then female computer voice said "Good-bye".
Must be some sort of solicitation. These Microsoft scammers are stupid. Played along for 20 minutes one time then
finally told them I use Mac. They used so much profanity about me and my mother then hung up. I loved it.
It was on their dime and not mine.