About cells

Now a days mobiles are becoming fashion.... But no one know how it works. The following describes the basic ciruit used in cell.Network switching sub system, or NSS, is the component of a gsm system that carries out switching functions from mobile to public switched telephone network and also maintains communication. It is maintained by mobile phone operators and allow mobile phones to communicate with each other.There is another architecture on Gsm core network to provide packet-switched data services and is known as GPRS core network. Which will allow to access the services like WAP,MMS and Internet access.Now a days every mobile phone have both circuit and packet based services, so most operators have a GPRS network in addition to the standard GSM core network.This is little about cells.