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ETSI TR 101 635
M00001432
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ETSI TR 101 635 Digital cellular telecommunications system (Phase 2+) (GSM); Example protocol stacks for interconnecting Service Centre(s) (SC) and Mobile-services Switching Centre(s) (MSC) (GSM 03.47 version 6.0.0 Release 1997)
standard by European Telecommunications Standards Institute, 04/01/1999
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