Terrestrial Trunked Radio (TETRA). Voice plus Data (V+D). Part 12: Supplementary services stage 3. Sub-part 12: Call Hold (CH)
STANDARD published on 1.11.2001
Designation standards: STN EN 300392-12-12-V1.1.1
Classification mark: 870392
Catalog number: 19093
Publication date standards: 1.11.2001
The number of pages: 62
Approximate weight : 186 g (0.41 lbs)
Country: Slovak technical standard
Category: Technical standards STN