Copyright ©2002 Nokia. All rights reserved. 9Features of the Nokia 302. Features of the Nokia 30In this chapter the main features of the Nokia 30 terminal are described in brief.Note: Do not switch on the terminal when wireless device use is prohibited or when it may causeinterference or danger.A number of features included in this guide are called Network Services. These are special services thatyou arrange through your wireless service provider. Before you can take advantage of any of theseNetwork Services, you must subscribe to them through your service provider and obtain instructions fortheir use from your service provider.For example, features like wireless data connections and supplementary services are networkdependent features in Nokia 30 GSM Connectivity Terminal. Data connections and messagingThe Nokia 30 GSM Connectivity Terminal supports five technologies for wireless data transfer, whichcan be used where GSM networks support them. It is possible to use different AT commands dependingon the data bearer in use.Note: Before you can use GPRS, HSCSD, CSD or USSD, you must subscribe to these services. You mustalso save the settings for the applications used with these technologies. See Modem installation forNokia 30 terminal on page 21.