swirly video message help!!

[jhutch506]

im on ATT i have my swirly working (thanks to GQ) i send and receive pictures i can receive video but when i go to send a video i get and error message: failed to send mms possible incorrect mmsc setting unexpected hhtp responce (hhtp/1.1 502 proxy error) and suggestions?? i dont understad how i can send and recieve pictures receive video but not send video

My settings:
MMSC - http://wireless.cingular.com
Proxy - wireless.cingular.com:80
APN - left it blank
Username - left it blank
Password - left it blank
Image size - Maximum
UserAgent - IPhone

[boxxa]

Are the video's too big? I know verizon only allowed 15 second videos.

[jhutch506]

I tried sendimg a 5 sec clip and it still gave me the same result