GSM 03.47-1994 European Digital Cellular Telecommunications System (Phase 2); Example Protocol Stacks for Interconnecting Service Centre(s) (SC) and Mobile-Services Switching Centre(s) (MSC) (GSM 03.47)
1994GSM 03.47-1994 European Digital Cellular Telecommunications System (Phase 2); Example Protocol Stacks for Interconnecting Service Centre(s) (SC) and Mobile-Services Switching Centre(s) (MSC) (GSM 03.47)
1993GSM 03.47-1993 European Digital Cellular Telecommunication System (Phase 2); Example Protocol Stacks for Interconnecting SCs ands MSCs