Nokia 9290 Nokia 9290 Communicator User Guide - Page 325

Secure Socket Layer (SSL) A security protocol that prevents eavesdropping, tampering, or message forgery over the Internet. Documents using SSL are identified with the prefix HTTPS. SIM (Subscriber Identity Module) card The SIM card contains all the information the cellular network needs to identify the network user. The SIM card also contains security-related information. The SIM card identifies your phone number to your service provider. When you subscribe for service, your service provider gives you a SIM card and phone number. If you have several GSM 1900 phones, you can move the phone number from one phone to another by moving the SIM card to the phone you wish to use. Simple Mail Transport Protocol (SMTP) An Internet protocol governing the transfer of electronic mail. TCP port Identifies the data port of the destination computer. TCP/IP (Transmission Control Protocol/Internet Protocol) A protocol that governs data communication in the Internet and in the TCP/ IP networks. Glossary 307