115Copyright © 2003 Nokia. All rights reserved.Note: Charges may apply for certain types of received calls, such asroaming and high speed data calls. Contact your GSM network operator for moreinformation.Note: The phone expects the callback call to use the same data call settingsthat were used in the callback-requesting call. The network must support thattype of call in both directions, to and from the phone.• Callback type - The options are Use server no. / Use other no.. Ask your serviceprovider for the correct setting to use; it will depend on the service provider’sconfiguration.• Callback number - Key in your phone’s data phone number which the dial backserver uses. Usually, this number is the data call phone number of your phone.• Use PPP compression - When set to Yes, this option speeds up the data transfer,if supported by the remote PPP server. If you have problems with establishing aconnection, try setting this to No. Contact your service provider for guidance.• Use login script - The options are Yes / No.• Login script - Insert the login script.• Modem initialisation (Modem initialisation string)- Controls your phone usingmodem AT commands. If required, enter characters specified by your serviceprovider or Internet service provider.GPRSGo to Settings→ Connection→ GPRS.The GPRS settings affect all access points using a packet data connection.
