In a network switching subsystem, a mobile switching center is the centerpiece. The function of the mobile switching center is to perform the telephony switching functions and serves as a network node.

Mobile service Switching Center is the core component of the Network Subsystem in the GSM network architecture. It serves as the connection between other MSCs in the home network and the PSTN/ISDN. The main functions of the MSC include handling of: 1) Registration 2) Authentication 3) Location Updating 4) Handovers 5) Call Routing.

Igwe John, Kalu

circuit switching

there are three types of switching techniques

1) circuit switcching

2) Packet switching

3)Message switching

Data subsystem