T o o l s76 Copyright © 2006 Nokia. All rights reserved.speed when a data call connectionis used. During the connection, theoperating speed may be less,depending on network conditions.Select Options > Advancedsettings to change the followingoptions:Network type (for packet dataonly) — the Internet protocol (IP)version of the network: IPv4 orIPv6. The other settings depend onthe selected network type.IPv4 settings and IPv6 settings(for data call only) — the Internetprotocol settings. The settingsdepend on the network type.Phone IP address (for IPv4) — toenter the IP address of your phoneDNS address — to enter the IPaddress of the primary andsecondary DNS serversProxy serv. address — to enter theIP address of the proxy serverProxy port number — to enter theport number of the proxy serverThe following settings are shown ifyou have selected data call as theconnection type:Use callback > Yes — to allow aserver to call you back once youhave made the initial call. Contactyour service provider to subscribeto this service.The phone expects the callbackcall to use the same data callsettings that were used in thecallback-requesting call. Thenetwork must support that type ofcall in both directions, to and fromthe phone.Callback type — The options areUse server no. and Use other no..Callback number — to enter yourphone number which thedial-back server uses.Use PPP compress. — To speed updata transfer, select Yes ifsupported by the remote PPPserver.Use login script > Yes — to use alogin script when establishing theconnectionLogin script —to insert the loginscriptModem initialisation (modeminitialization string) — to controlyour phone using modem ATcommands. If required, entercommands specified by yourservice provider or Internet serviceprovider.Packet dataThe packet data settings affect allaccess points using a packet dataconnection.