DESCRIPTION OF THE GENERAL ARRANGEMENTS FOR INTERNAL NETWORK UTILITIES WITHIN A SUBNETWORK AND INTERMEDIATE UTILITIES BETWEEN SUBNETWORKS FOR THE PROVISION OF DATA TRANSMISSION SERVICES
本文档由 国内外标准规范大全 分享于2011-03-19 10:49
ITU-T 标准 标准编号 G.109 DEFINITION OF CATEGORIES OF SPEECH TRANSMISSION QUALITY 日期 09-1999 状态 正在使用
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君，已阅读到文档的结尾了呢~~