Terrestrial Trunked Radio(TETRA); Voice plus Data(V+D); Part 11: Supplementary servides stage 2; Sub-part 17: Include Call(IC)
Standard equipment requirements and measurement techniques for analog transmission parameters for telecommunications
实施日期:1995-01-01
Electromagnetic compatibility and radio spectrum Matters (ERM) - Land mobile service; Radio equipment intended for the transmission of data (and speech) and using an integral antenna - Part 1: Technica...
European digital cellular telecommunications system - Half rate speech - Part 3: Substitution and muting of lost frames for half rate speech traffic channels; English version ETS 300581-3:1995
Radio Equipment and Systems (RES) - Trans-European Trunked Radio (TETRA) - Packet Data Optimized (PDO) - Part 7: Security; English version ETS 300393-7:1997
发布日期:2013-05-01 实施日期:2013-05-01
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 4: Gateways basic operation; Sub-part 3: Data networks gateway (Endorsement of the English version ETS 300392-4-3:1999 as German standar...
European digital cellular telecommunications system - Half rate speech - Part 1: Half rate speech processing functions; English version ETS 300581-1:1995
实施日期:2010-04-01
Digital cellular telecommunications system (Phase 2) - Comfort noise aspects for Enhanced Full Rate (EFR) speech traffic channels (GSM 06.62 version 4.0.1)
Transmission systems for audio and/or video and related signals using infra-red radiation - Part 7: Digital audio signals for conference and similar applications
实施日期:2004-04-01
Digital cellular telecommunications system (Phase 2+) (GSM) - Comfort noise aspects for Adaptive Multi-Rate (AMR) speech traffic channels
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