I somehow missed the step of jailbreaking of where you plug it into iTunes to activate it/choose a carrier. Now when I click the phone button, it loads up the dialer and then closes out right away. I can't use speaker or any other phone function when someone calls. I hear it ring and can answer and can still make calls from my contacts, I just can't see the call in progress other than it saying I'm in a call at the very top bar. How can I activate the iPhone? Do I have to jailbreak it all over again? I can see the ATT logo in the corner and have normal reception. I used quickpwn and iTunes 8 with 2.1 software.