Terrestrial Trunked Radio (TETRA) - Speech codec for full-rate traffic channel - Part 4: Codec conformance testing (Endorsement of the English version ETS 300395-4:2000-09 as German Standard)
Terrestrial Trunked Radio (TETRA) - Speech codec for full-rate traffic channel - Part 4: Codec conformance testing (Endorsement of the English version EN 300395-4 V1.3.1 (2005-06) as German standard)— 2 стр.