iphone says sim is not provisioned
I had an iphone 3g and upgraded to a new iPhon 3gS, I restored my new phone through itunes synicing all of my contacts and aps to my new phone. After the process was finshed I am able to connect to the internet but my phone says No Service. I go to setting and look under the catagory network and it says "SIM is not Provisioned." Any thoughts on how I can get my phone to connect to a network so I can make a phone call.... Thanks
iPhone 3G