GSM Components Explained

GSM Components Explained – GSM has different network components

SIM – Subscriber Identification Module

MS – Mobile Station

BTS – Base Transceiver System

BSC – Base Station Controller

MSC – Mobile Switching Center

HLR – Home Location Register

VLR – Visitor Location Register

EIR – Equipment Identity Register

EIR storage all information about equipment maintaining lists of

AuC – Authentication Center

SMSc – Short Message Service Center

IN – Intelligent Network

GMSC –