What is GSM and how it works?

What Is Gsm? Answer : GSM, which stands for Global System for Mobile communications , reigns as the world’s most widely used cell phone technology. Cell phones use a cell phone service carrier’s GSM network by searching for cell phone towers in the nearby area.

GSM is an open and digital cellular technology used for transmitting mobile voice and data services operate at the 850MHz, 900MHz, 1800MHz, and 1900MHz frequency bands . GSM technology was developed as a digital system using the time division multiple access (TDMA) technique for communication purposes.

GSM: GSM functions •gsmAnswerAnswers an incoming voice call.•gsmConnectedChecks connection to the GSM network.•gsmSendSMSSends an SMS message.•gsmMakeCallMakes a voice call.•gsmMakeCallXMakes a voice call with extended capabilities.GSM functions – Logic IO www.logicio.com › HTML › gsmgsmtelephonefunctions

The GSM network is divided into three major systems: the switching system (SS), the base station system (BSS), and the operation and support system (OSS) .