The term ESN stands for 'electronic serial number' and is a unique ID number with which a wireless phone is embedded with and the manufacturer use the number to prevent any possible fraud. The ESN number has three parts which include the code of the manufacturer, the reserved area and the serial number that the manufacturer assigns.
As each cellular phone is assigned the number, it identifies itself to the cellular system which you use for the purpose of receiving and making call. With each call the telephone switching office validates the number and you can make a call. You must take care that you are not confusing this number with that of the MIN, which is the mobile identification number and is a kind of identifier that the wireless carrier use.
As each cellular phone is assigned the number, it identifies itself to the cellular system which you use for the purpose of receiving and making call. With each call the telephone switching office validates the number and you can make a call. You must take care that you are not confusing this number with that of the MIN, which is the mobile identification number and is a kind of identifier that the wireless carrier use.
