Hey I called Cingular and they gave me this number for PDA/Smartphone support: 800 304 3044

I'll post the settings they gave me that WORK!

1. Go to Connection
2. Click on Advanced Tab
3. Select "Select Networks"
4. Click on "New"
5. Type in "GPRS" then OK
Then repeat steps 1-3
6. Select the GPRS from the drop down menu
7. Click "Edit"
8. Where it says enter a name for the connection type GPRS
9. Where it says select a modem choose :Cellular Line (GPRS)
10. Click next and type in "wap.cingular"
11. click next and type in as follow...(case sensitive)
User Name: WAP@CINGULAGPRS.COM
Password: CINGULAR1
12 Click FINISH

Follow these steps and you're all set!