Palm Tungsten W - Manual (Page 327)

Connection preferences
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3. Adjust settings.
Access Point
Name Opens a dialog box that allows you to change the address on the
GPRS network in which data is routed through to outside
networks–for example, a specific gateway to the Internet or a
specific WAP gateway.
Quality of
Service Opens up a dialog box that allows you to choose between using
the network default settings for quality service or customizing
individual settings.
NOTE The quality of service settings are only a request made to
the network. The network may or may not grant the level of quality
requested, depending on current network conditions and services
provided on an individual basis.
Header
Compression Sets whether the GPRS data headers are compressed or not.
Compressing before transmission aids in increasing
transmission speed.
Data
Compression Sets whether transmitted data is compressed or not compressed.
Compressing data aids in increasing transmission speed.