First time experience. I am not satisfied.

SS7, the backbone of mobile networks. It is the protocol and makes mobile telephony work. SS7 is the protocol that makes communication between network entities possible. SS7 network structure is very much similar to the TCP/IP network structure. As you can see from the picture SS7 protocol is also...

PSTN - Public Switched Telephone Network GMSC - Gateway MSC MSC - Mobile Switching Center BSC - Base Station Controller BTS - Base Transceiver Station MSCs are the telephone exchanges of GSM networks. They route the calls based on the destination numbers current location. The BSCs and BTS are responsible...

Once again apologies for using somebody else’s image. POTS - Plain Old Telephone System MSC - Mobile Switching Center BSS - Base Station SubSystem HLR - Home Location Register VLR - Visitor Location Register From our land line we dial a mobile number. Our telephone exchange identifies that its...