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ETSI ETS 300 933
- Digital cellular telecommunications system (Phase 2+) (GSM); Voice Group Call Service (VGCS); Stage 2 (GSM 03.68 version 5.5.1)
- standard by European Telecommunications Standards Institute, 12/01/1998
- Publisher: ETSI
$29.00$58.50
SUBJECT Update of 03.68 to cover inter-MSC Voice group calls