ETSI TS 100 392-3-13

ETSI TS 100 392-3-13 Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 13: Transport layer independent Additional Network Feature Group Call (ANF-ISIGC)

standard by European Telecommunications Standards Institute, 05/01/2018