标题: ETSI EG 202 425 V1.1.1 (2007-02) [打印本页] 作者: t7345s 时间: 2015-2-9 11:01:02 标题: ETSI EG 202 425 V1.1.1 (2007-02)
ETSI EG 202 425 V1.1.1 (2007-02)
ETSI Guide
Speech Processing, Transmission and Quality Aspects (STQ);
Definition and implementation of VoIP reference point