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| Glossary of Terms | |
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| APN | Access Point Name. Directs the user to the gateway or the required service. |
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| CHAP | Challenge Handshake Authentication Protocol. A security feature in the GPRS network. |
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| Copy | Copies selected text from a short text message without removing it from the original message. |
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| CSD | Circuit Switched Data. A communication method used to transmit data over telephone |
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| connections. |
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| Cut | Permanently removes selected text from a short text message. |
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| DTMF Tones | Dual Tone |
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| systems, voice mailboxes, etc. |
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| GPRS | General Packet Radio Service. A GSM transmission technique that transmits and receives |
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| data in packets rather than setting up a continuous channel. It makes very efficient use of |
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| available radio spectrum and users pay only for volume of data sent and received. |
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| GSM | Global System for Mobile communications. The name given to the advanced digital technology |
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| that your phone uses. |
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| MMS | Multimedia Messaging Service. An advanced mail system used for cellular phones. This |
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| service allows sending/receiving text messages and attaching pictures, animation and sound |
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| to the same. |
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| Network | The organisation responsible for operating a GSM network. |
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| Operator |
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| PAP | Password Authentication Protocol. A security feature in the GPRS network. |
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| Password | Used for the control of GPRS/CSD settings in Data connections and the control of Call Barring. |
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| Supplied by your service provider. |
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| PIN | Personal Identification Number used for SIM security. Supplied by your service provider. If the |
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| PIN is entered incorrectly 3 times, the PIN will be blocked. |
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| PIN2 | Personal Identification Number used for the control of Fixed Dial store and Call Charge |
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| metering. Supplied by your service provider. If the PIN2 is entered incorrectly 3 times, the PIN2 |
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| will be blocked. |
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| PUK/PUK2 | PIN/PIN2 Unblocking Key. Used to unblock the PIN/PIN2 code. Supplied by your service |
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| provider. If the PUK/PUK2 is entered incorrectly 10 times, the PUK/PUK2 will be blocked. |
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| Registration | The act of logging on to a GSM network. This is usually performed automatically by your phone. |
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| Roaming | The ability to use your phone on networks other than your home network. |
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| Service | The organisation responsible for providing access to the GSM network. |
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| Provider |
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| SIM | Subscriber Identity Module. A small |
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| information such as Contacts entries and short messages. Supplied by your service provider. |
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| SMS | Short Message Service. A basic mail system used for cellular phones. This service allows |
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| sending/receiving of short text messages. |
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| URL | Uniform Resource Locator. The URL is an alphanumeric address that points to homepages |
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| and other Internet locations. |
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| WAP | Wireless Application Protocol. The communication standard which enables you to download |
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| resources from the Internet to your phone. |
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