• ETSI TS 101 377-4-12
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ETSI TS 101 377-4-12

  • GEO-Mobile Radio Interface Specifications; Part 4: Radio interface protocol specifications; Sub-part 12: Multiparty Supplementary Services (MPTY); GMR-2 04.084
  • standard by European Telecommunications Standards Institute, 03/01/2001
  • Publisher: ETSI

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GMR-2 specification defines the requirements for Multiparty supplementary services.

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