I had to edit the apn settings to get it to work.. Note, I had to edit, not put in a new APN profile..
I left name at straight talk, apn = reseller, mmsc = http://mmsc.mobile.att.net, proxy = proxy.mobile.att.net, mms port = 80, mcc = 310
mnc = 410, apn type - default,mms,supl
all the rest...