Glossary of Terms
Glossary of Terms
DTMF Tones | Dual Tone |
| communicate with computerized phone systems, |
| voice mailboxes etc. |
GSM | Global System for Mobile communications. The |
| name given to the advanced digital technology |
| that your phone uses. |
Home Country | The country where your home network operates. |
Home Network | The GSM network on which your subscription |
| details are held. |
Network Operator The organization responsible for operating a GSM network
Password | Used for the control of the Call Bar. Supplied by |
| your Service Provider. |
PIN | Personal Identification Number used for SIM |
| security. Supplied by your Service Provider. If |
| the PIN is entered incorrectly 3 times, the PIN is |
| blocked. |
PIN2 | Personal Identification Number used for the |
| control of Fixed Dial Store, Call Charge metering |
| and Barred Dialing . Supplied by your Service |
| Provider. If the PIN2 is entered incorrectly 3 |
| times, the PIN2 is blocked. |
PUK/PUK2 | PIN/PIN2 Unblocking Key. Used to unblock the |
| PIN/PIN2. Supplied by your Service Provider. If |
| the PUK/PUK2 is entered incorrectly 10 times, |
| the PUK/PUK2 is blocked. |
Registration | The act of locking on to a GSM network. This is |
| usually performed automatically by your phone. |
Roaming | The ability to use your phone on networks other |
| than your Home Network. |
Service Provider | The organization responsible for providing |
| access to the GSM Network. |
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