data network. Starting an active packet dataconnection (for example, to send and receive e-mail) is quicker. If there is no packet datacoverage, the device periodically tries toestablish a packet data connection. If you selectWhen needed, the device uses a packet dataconnection only if you start an application oraction that needs it.● Access point — The access point name is neededto use your device as a packet data modem to acompatible computer.● High speed packet access — Enable or disablethe use of HSDPA (network service) in UMTSnetworks.Wireless LAN settingsPress , and select Tools > Settings >Connection > Wireless LAN.● Show WLAN availability — Select whetheris displayed in the standby mode when a wirelessLAN is available.● Scan for networks — If you set Show WLANavailability to Yes, select how often the devicesearches for available wireless LANs and updatesthe indicator.To view advanced settings, select Options >Advanced settings. Changing wireless LANadvanced settings is not recommended.SIP settingsPress , and select Tools > Settings >Connection > SIP settings.Session Initiation Protocol (SIP) settings are neededfor certain network services using SIP. You mayreceive the settings in a special text message fromyour service provider. You can view, delete, orcreate these setting profiles in SIP settings.Internet call settingsPress , and select Tools > Settings >Connection > Internet tel..To create a new internet call profile, selectOptions > New profile.To edit an existing profile, select Options > Edit.ConfigurationsPress , and select Tools > Settings >Connection > Configurations.You may receive trusted server settings from yourservice provider in a configuration message. Youcan save view or delete these settings inconfigurations.158 Settings
