ETSI TR 101 635
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 published 04/01/1999 by European Telecommunications Standards Institute