| GSM stands for Global System for Mobile | | | | without a SIM card. In fact, your phone |
| communication. GSM cell phones come with | | | | number depends on your SIM. Voicemail, a |
| integrated voice mail, high-speed data, fax, | | | | regular feature of all GSM enabled mobiles, |
| paging and Short Messaging Services. | | | | too, is dependent on the SIM, as it is a |
| Excellent sound quality, International | | | | network operator based service. To make an |
| Roaming facility with state of the art call | | | | overseas call from a GSM phone you must first |
| privacy and fraud prevention features, and | | | | check on the frequencies available and make |
| batteries with increased shelf life have made | | | | the necessary adjustments. This may sound |
| GSM the fastest growing and most affordable | | | | inane but actually is a common mistake |
| wireless voice technology in the world.You | | | | occurring all the time.An overseas call from |
| can use your GSM enabled mobile anywhere. | | | | a GSM cell phone is a simple operation |
| Well, almost anywhere in the world. GSM | | | | provided the correct protocol is |
| technology ensures that you can hear your | | | | maintained. The international access code (+) |
| boss screaming as clearly as the living | | | | has to be dialed first, followed by the |
| daylights even when he is on the other side | | | | country code and the ten-digit phone number. |
| of Atlantic. However, to be able to listen to | | | | The (+) sign takes care of your call without |
| that honeyed cheer upper you need to change | | | | bothering you about the access code of the |
| your frequency band. GSM cell phones use the | | | | country you are calling from. If your handset |
| multiple spectrum frequency bands under which | | | | is a Nokia then you have to press the (*) key |
| 1900 MHz caters to North America while 900 | | | | twice in rapid succession to access the |
| MHz and 1800 MHz are used for other | | | | international access code (+). If it is an |
| locations. A GSM mobile may have a dual band, | | | | Ericsson, then you have to press and hold the |
| a tri band or even a quad band.A dual band | | | | 0 key until the (+) sign appears. Like wise |
| GSM functions at both the 900 MHz and the | | | | for Motorola and Samsung. If it is a Bosch |
| 1800 MHz level and works in Europe, Africa, | | | | then you have to press and hold the (*) key |
| Asia, Australia, New Zealand and a small | | | | until the (+) sign appears.GSM cell phones |
| portion of South America. A tri band GSM cell | | | | have managed to reduce background noises, |
| phone catches the 1900 MHz in addition to the | | | | disturbances and statics to a minimum level. |
| other two wavelengths and covers North | | | | Cross-connections, too, almost never happens. |
| America instead of South. Similarly, a quad | | | | The facility to handle many calls at the same |
| mobile covers the 850 MHz as well as the | | | | time translates to a congestion free network |
| other 3 and allows you to go global.A GSM | | | | in areas of heavy density and high usage. |
| cell phone however is not going to work | | | | All these at minimum cost. GSM is affordable. |