So this has happened a few times, but my Vibrant will have full service and 3g or wireless access but it acts if it has no service. Internet stuff works just fine but when I try to call out and then it'll immediately end the call or immediately fail the text. It'll also go straight to voice mail for incoming calls. The 3g or wireless will still work just fine and I can use every other function, surf the web, apps, whatever else works. I've tried to reboot, reboot and pull the battery, toggle on and off wireless, and toggle on and off airplane mode to try to reset the connection. Nothing but waiting it out seems to work. However the weird thing I noticed is the phone will give the "Auto time and date updated" or whatever message and everything will work again. It'll only happen once in a while. Anyone have any ideas of what's going on?