European digital cellular telecommunications system (Phase 2). Procedures for call progress indications (GSM 02.40)
STANDARD published on 1.7.2002
Designation standards: STN ETS 300512
Classification mark: 870512
Catalog number: 20316
Publication date standards: 1.7.2002
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Slovak technical standard
Category: Technical standards STN