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标题: ETSI EG 201 050 V1.2.2 (1999-02) [打印本页]

作者: t7345s 时间: 2014-12-25 22:00:37 标题: ETSI EG 201 050 V1.2.2 (1999-02)

EG 201 050 V1.2.2 (1999-02)
ETSI Guide
Speech Processing, Transmission and Quality Aspects (STQ);
Overall Transmission Plan Aspects for Telephony
in a Private Network

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作者: admin 时间: 2014-12-26 12:44:24

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