It's from Ericsson and it details a GSM or PCS system. A more complicated model Much is familiar in the diagram below. Ericsson divides a system into several parts, such as a switching system, base station system, network management system and so on. AXE stands for Automatic Exchange Electric, Ericsson's digital switch. Seeing AXE in a box means that element is tied or linked to the switch.
Operators enter and cancel accounts and do administrative chores.
MIN Network MIN stands for mobile intelligent network. EET stands for Ericsson engineering tool, a network planning device. Ericsson's digital switch. They operate as either a landline or wireless switch. Ericsson engineering tool, network planning software.