AT&T Free Msg: You're a valued AT&T customer. We'd like to add 1000 bonus Rollover minutes to the mobile number ending in ****. There's no cost or obligation to you. It's our way of saying thank you. To have your minutes added, reply "YES" by 9/7/2011. Reply stop to end mktg msgs.
I think if you didn't get this message, just send "yes" to 11113020 to get your 1000 rollover minutes from AT&T.