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Digital cellular telecommunications system; Technical realization of supplementary services (GSM 03.11 version 5.0.1)
STANDARD published on 30.5.1997
Designation standards: ETSI ETS 300928-ed.1
Publication date standards: 30.5.1997
SKU: NS-313637
The number of pages: 29
Approximate weight : 87 g (0.19 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2025-07-21 (Number of items: 2 209 006)
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