Nokia 9290 Nokia 9290 Communicator User Guide - Page 173

Note: The speeds above are the maximum speed at which your connection will operate. During the connection, the operating speed may be less, depending on network conditions. Modem initialization - Controls your communicator using modem AT commands. If required, enter characters specified by your GSM system service provider or ISP. Callback page Use callback - This option allows a server to call you back once you have made the initial call, so you have a connection without paying for the call. Contact your Internet service provider to subscribe to this service. The options are Yes/No. Note: Charges may apply for certain types of received calls, such as roaming and high speed data calls. Contact your GSM service provider for more information. Note: If you are not using HSCSD, the communicator expects the callback call to use the same data call settings that were used in the callbackrequesting call. The system must support that type of call in both directions, to and from the communicator. Callback type - The options are Use server number/Use server number (IETF)/Use number below. Ask your Internet service provider for the correct setting to use. The setting depends on the service provider's configuration. Callback number - Type in your communicator's data phone number which the dial back server uses. Usually, this number is the data call phone number of your communicator. Internet 155