As Casper said do not call you will get answers here quicker than by attempting to call Sprint.
They are working to correct the issue and will have us all back up and running quickly. We all need to have some patients. I know we all want out BB to work as it should but as with any technology you will experience issues. Some are easy to fix while others require a considerable amount of time. I am sure those that have had a PC problem can relate. Remember the BB in your hand is a computer and it talks with other computers in order to function.