Learn how to modify the dialing parameters for RAS connections using an unmanged Windows CE DLL as a thunking layer.
Page Brooks has also posted his first article on Code Project, and he tackles the ferocious task of Pocket PC RAS connections. We may start calling him Page "Tequila" Brooks if he doesn't stop this soon.
http://www.codeproject.com/useritems/dialingparameters.asp