Question : Active Sync won't work over 3G

I have windows mobile which doesn't sync over 3g but does over wifi.When on 3g I can browse internet on my mobile.I have rest the phone and its still the same.Any suggestions.

Answer : Active Sync won't work over 3G

Problem solved.

After setting up the active sync on the mobile just before clicking the finish, on the right hand side you have menu go to advanced and set the connection to dedicated.