t7345s 发表于 2015-1-24 10:06:14

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

admin 发表于 2015-1-24 20:32:16

谢谢您的分享,金币已奖励!
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