Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 24: Call Retention (CRT)
NORMA vydána dne 15.9.2000
Designation standards: ETSI ETS 300392-12-24-ed.1
Publication date standards: 15.9.2000
The number of pages: 33
Approximate weight : 99 g (0.22 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI