Palm Treo 700WX User Manual page 114

Before data connections prevents a data connection while roaming. (An
alert appears warning you that you are on a roaming network when you
attempt to make a data connection. To dismiss the warning and make
the data connection, select the Don't show this again. Always connect
when roaming checkbox. You must then attempt to make a data
connection again.)
6.
Press OK .
98 Section 2B: Using Your Device's Phone Features