42Getting started Sending and receiving short messages requires that this service is supported by thesystem you are using and activated for your SIM card, and that the phone numberof the message is stored in the settings of the SMS application.Internet access requires that data service is supported by the system you are usingand activated for your SIM card. In addition, you must have obtained an Internetaccess point from an Internet service provider.Access codesThe Nokia 9290 Communicator uses several access codes to protect againstunauthorized use of your communicator and SIM card. The access codes youneed most often are:• the lock code to lock up your communicator, and• the PIN code, which is provided with the SIM card.IMPORTANT: The default lock code is 12345. For security reasons, it is imperativethat you change the lock code. Keep the code secret and in a safeplace, separate from the communicator. For more information onchanging access codes, see section ‘Security’ on page 230.You can change access codes that are used by both the phone and the communicatorinterface via either of them, provided that the code can be changed. For furtherdetails on access codes, see ‘Security’ on page 230.The Internet applications of the communicator use passwords and user names toprotect against unauthorized use of the Internet and its services. These passwordsare changed in the settings of the Internet applications.
