t7345s 发表于 2015-1-29 22:36:36

ETSI EG 202 057-2 V1.1.1 (2002-09)

ETSI EG 202 057-2 V1.1.1 (2002-09)
ETSI Guide
Speech Processing, Transmission
and Quality Aspects (STQ);
User related QoS parameter
definitions and measurements;
Part 2: Voice telephony, Group 3 fax
and modem data services


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admin 发表于 2015-1-30 11:45:50

谢谢您的分享,金币已奖励
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