Digital cellular telecommunications system (Phase 2+) (GSM); MultiParty (MPTY) Supplementary Services - Stage 1 (GSM 02.84 version 7.0.0 Release 1998)
STANDARD published on 13.8.1999
Designation standards: ETSI TS 100517-V7.0.0
Publication date standards: 13.8.1999
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: European technical standard
Category: Technical standards ETSI