Understand network services
A number of features known as network services are described in this guide.
These are special services you arrange through your wireless service provider.
Before you can take advantage of these network services features, you
must subscribe to them through your service provider. Your service provider
will give you instructions on how to use these network services. This guide
will instruct you on when you need to contact your service provider for
more step-by-step information.
Note:
Some networks may not support all language-dependent characters
and/or services.