Found this on another website for T-Mobile, but does anyone have for Cingular?


T-Mobile MMS settings.

1. Start, Settings, Connections, and then tap the Connections Icon
2. Under "My Work Network" tap Add a New Modem Connection
3. Name it Picture Messaging and under Select a modem select (GPRS,3G)
4. Under Access Point Name type: wap.voicestream.com
5. Username, Password, and Domain is left blank and then click Finish
6. Now, go into Proxy Settings and check "This network connects to the Internet" and check "This network uses a proxy server to connect to the internet"
7. Under the Proxy Server box type: 216.155.165.050
8. Tap the advanced button and tap on the HTTP line. Make sure the HTTP settings shows 216.155.165.050:8080. If not, change it.
9. Click the OK button a few times to get out of the settings completely.
10.Now go to Start, Messaging, Menu, then Options, Advance, then Click Manual, and then the Edit button
11. Message center number +12063130004
12. Email center number is 500
13. MMS gateway address is 216.155.165.050:8080
14. MMS URL is http://216.155.174.84/servlets/mms
15. Finally under Network Profile select: My Work Network and then click ok.