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)
地面集群无线电(TETRA).全速率业务信道用语音编解码器.第4部分:编解码器一致性测试(作为德国标准认可英文版EN 300395-4 V1.3.1(2005-06))