80Depending on the connection type selected in Data bearer, only certain settingsare available. Fill in all fields marked with Must be defined or with an asterisk.Contact your service provider for the following settings: Data bearer, Access pointname (for packet data only), Dial-up number (for data call only), User name,Password, Authentication, Homepage, Data call type (for data call only), andMaximum data speed (for data call only).Connection name — Enter a descriptive name for the connection.Prompt password — If you must enter a new password every time you log onto aserver, or if you do not want to save your password to the device, select Yes.If necessary, to define the internet protocol (IP) version, phone IP address, domainname system (DNS) servers, proxy server, and advanced data call settings, such ascallback, PPP compression, login script, and modem initialization string, selectOptions > Advanced settings. Contact your service provider for the correctsettings.Packet dataThe packet data settings affect all access points using a packet data connection.Packet data connection — If you select When available and you are in a networkthat supports packet data, the device registers to the packet data network andshort messages are sent using a packet data connection. If you select Whenneeded, the device uses a packet data connection only if you start an applicationor function that needs it. The packet data connection can be closed when it is notneeded by any application.If there are no packet data services available and you have chosen When available,the device periodically tries to establish a packet data connection.Access point — The access point name is needed when you want to use your deviceas a modem with your computer.High speed packet access — Enable or disable the use of HSDPA (network service)in UMTS networks.When HSDPA support is activated, downloading data such as messages, e-mail,and browser pages through the cellular network may be faster.Data callThe data call settings affect all access points that use a GSM data call.