European digital cellular telecommunications system (phase 1). Mobile radio interface layer 3 call offering supplementary services specifications (GSM 04.82)
STANDARD published on 1.11.1994
Designation standards: ČSN P I-ETS 300028
Classification mark: 872509
Catalog number: 16800
Publication date standards: 1.11.1994
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN