Digital cellular telecommunications system - Line identification supplementary services - Stage 3 (GSM 04.81 version 5.0.1)
STANDARD published on 1.7.1998
Designation standards: ČSN ETS 300951-ed.1
Classification mark: 872726
Catalog number: 52476
Publication date standards: 1.7.1998
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN