TS 101 377-2-3 : 1.1.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 2: SERVICE SPECIFICATIONS; SUB-PART 3: SECURITY ASPECTS; GMR-2 02.009 European Telecommunications Standards Institute
TS 101 376-4-6 : 1.2.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 4: RADIO INTERFACE PROTOCOL SPECIFICATIONS; SUB-PART 6: MOBILE EARTH STATION-GATEWAY STATION INTERFACE DATA LINK LAYER SPECIFICATIONS; GMR-1 04.006 European Telecommunications Standards Institute
TS 101 376-6-4 : 1.1.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 6: SPEECH CODING SPECIFICATIONS; SUB-PART 4: VOCODER: COMFORT NOISE ASPECTS; GMR-1 06.012 European Telecommunications Standards Institute
TS 101 376-7-2 : 1.1.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 7: TERMINAL ADAPTOR SPECIFICATIONS; SUB-PART 2: TERMINAL ADAPTATION FUNCTIONS (TAF) FOR SERVICES USING ASYNCHRONOUS BEARER CAPABILITIES; GMR-1 07.002 European Telecommunications Standards Institute
TS 101 376-4-8 : 3.4.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS (RELEASE 3); THIRD GENERATION SATELLITE PACKET RADIO SERVICE; PART 4: RADIO INTERFACE PROTOCOL SPECIFICATIONS; SUB-PART 8: MOBILE RADIO INTERFACE LAYER 3 SPECIFICATIONS; GMR-1 3G 44.008 European Telecommunications Standards Institute
TS 101 376-5-4 : 3.3.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS (RELEASE 3); THIRD GENERATION SATELLITE PACKET RADIO SERVICE; PART 5: RADIO INTERFACE PHYSICAL LAYER SPECIFICATIONS; SUB-PART 4: MODULATION; GMR-1 3G 45.004 European Telecommunications Standards Institute
TS 101 376-6-5 : 1.1.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 6: SPEECH CODING SPECIFICATIONS; SUB-PART 5: VOCODER: DISCONTINUOUS TRANSMISSION (DTX); GMR-1 06.031 European Telecommunications Standards Institute
TS 101 377-1-2 : 1.1.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 1: GENERAL SPECIFICATIONS; SUB-PART 2: INTRODUCTION TO THE GMR-2 FAMILY OF SPECIFICATIONS; GMR-2 01.201 European Telecommunications Standards Institute
TS 101 377-1-3 : 1.1.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 1: GENERAL SPECIFICATIONS; SUB-PART 3: GMR-2 GENERAL SYSTEM REQUIREMENTS; GMR-2 01.202 European Telecommunications Standards Institute
TS 101 376-4-9 : 1.1.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 4: RADIO INTERFACE PROTOCOL SPECIFICATIONS; SUB-PART 9: PERFORMANCE REQUIREMENTS ON THE MOBILE RADIO INTERFACE; GMR-1 04.013 European Telecommunications Standards Institute
TS 101 376-6-2 : 1.1.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 6: SPEECH CODING SPECIFICATIONS; SUB-PART 2: VOCODER: SPEECH TRANSCODING; GMR-1 06.010 European Telecommunications Standards Institute
TS 101 376-3-17 : 1.1.1 GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 3: NETWORK SPECIFICATIONS; SUB-PART 17: UNSTRUCTURED SUPPLEMENTARY SERVICE DATA (USSD) - STAGE 2; GMR-1 03.290 European Telecommunications Standards Institute