• ETSI EN 300 925
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ETSI EN 300 925

  • Digital cellular telecommunications system (Phase 2+) (GSM); Voice Group Call Service (VGCS) - Stage 1 (GSM 02.68 version 7.0.2 Release 1998)
  • standard by European Telecommunications Standards Institute, 08/01/2000
  • Publisher: ETSI

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