t7345s 发表于 2015-1-31 22:07:41

ETSI EG 202 192 V1.1.2 (2004-11)

ETSI EG 202 192 V1.1.2 (2004-11)
ETSI Guide
Speech Processing, Transmission and Quality Aspects (STQ);
Comparison of PBX transmission requirements
in ANSI/TIA-464-C and ETSI ES 201 168 V1.2.1

admin 发表于 2015-2-2 19:26:38

谢谢您的分享,金币已奖励
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