标题: ETSI EG 202 086 V1.1.1 (1999-02) [打印本页] 作者: t7345s 时间: 2015-1-24 10:06:14 标题: ETSI EG 202 086 V1.1.1 (1999-02)
EG 202 086 V1.1.1 (1999-02)
ETSI Guide
Speech Processing, Transmission and Quality Aspects (STQ);
Objectives and principles for the transmission performance of
multiple interconnected networks that aim to provide
"traditional quality" telephony services