LST EN 300 395-1 V1.2.1-2005 Terrestrial Trunked Radio (TETRA); Speech codec for full-rate traffic channel; Part 1: General description of speech functions
2005LST EN 300 395-1 V1.2.1-2005 Terrestrial Trunked Radio (TETRA); Speech codec for full-rate traffic channel; Part 1: General description of speech functions