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GSM/3GPP network architecture evolution - 1 of 9 - GSM Rel-96


Network element functions

AuC     BSC     BTS     EIR     HLR     MSC     SIM     VLR


Reference points

     Abis                                        Um


New features in GSM Phase 1



New features in GSM Phase 2



New features in GSM Phase 2+ Rel-96