palmOne Treo 650 Using Manual page 127

4. Click Properties, and then click the Advanced tab.
5. Enter the following in the Extra initialization commands field:
AT+CGDCONT=1, "ip", "XXX"
where XXX is the APN information for your Cingular Wireless data plan. This
information is different for all providers. Be sure to enter the text exactly as it
appears, including commas and quotation marks.
6. Click OK on each screen until you have exited Phone and Modem Options.
7. Close Control Panel.
The screens that appear
may differ from the ones
shown in this procedure,
depending on your
computer model and
operating system. Check
your computer's
documentation to
determine the equivalent
screens.
Dial-up networking :: 125