HTC Hero On Iwireless mms problems!?

[AdrianIwireles]

Ok so in the company that i work for they have the HTC Hero but we keep having problems on having it send mms everything else work fine but i cant have this phone send or receive mms. here are the setting hopefully someone can help me.

Settings:

Name Picture Messaging
APN: wap1.iwireless.com
Proxy: not set
Port: not set
Username: not set
Password: not set
Server: not set
MMSC http://mmsc.dataonair.net:6672
MMS proxy 209.4.229.31
MMS port 9201
MCC 310
MNC 770
Authentication type: not set
APN type: mms ( make sure it