Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 12: Call Hold (HOLD)
STANDARD published on 1.12.2003
Designation standards: STN EN 300392-12-12-V1.1.2
Classification mark: 870392
Catalog number: 92212
Publication date standards: 1.12.2003
The number of pages: 63
Approximate weight : 189 g (0.42 lbs)
Country: Slovak technical standard
Category: Technical standards STN