ETSI PRETS 300 395-4-1996 Radio Equipment and Systems (RES); Trans-European Trunked Radio (TETRA); Speech Codec for Full-Rate Traffic Channel; Part 4: Codec Conformance Testing
1997ETSI PRETS 300 395-4-1997 Radio Equipment and Systems (RES); Trans-European Trunked Radio (TETRA); Speech Codec for Full-Rate Traffic Channel; Part 4: Codec Conformance Testing
1996ETSI PRETS 300 395-4-1996 Radio Equipment and Systems (RES); Trans-European Trunked Radio (TETRA); Speech Codec for Full-Rate Traffic Channel; Part 4: Codec Conformance Testing