Shruti Speak's

There are several networks and technologies that enables communication between mobile devices and the supporting devices. The following are the forever and widely used most influential standards and technologies :                                                       1) GSM      GSM stands for Global System for Mobile Connection which is most widely used standard for mobile phone in the world. The promoter of  ' GM's Association ', estimates that 82% of the Global Mobile Market uses this standard. In more than 200 countries and territories over 2 billion people uses GSM Phone. The prominent advantage of GSM systems to customer have been the better voice quality and low cot alternatives to making calls for eg- Short Message Service(SMS). One of the advantage for network operators is the ease of getting equipment from any that implement the standard. GSM users also gets the availability of GPRS ( General Packeting Data Service) mobile data service. GPRS allow