YDT 992_电话机附加功能的基本技术要求及试验方法.pdfVIP

!CS33.050.01 M 40 YD 中华人民共和国通信行业标准 YD汀 992一2006 代替YD厅 992一1998 电话机附加功能的基本技术要求 及试验方法 T6chniaclRequirementeand飞stingMethods ofTelePhoneAdditionalFunofions 2006一05一31发布 2006一10一01实施 中华人 民共和 国信息产业部 发布 丫DIT992一2006 目 次 前 言·······························································，·····················································…… 1 范围···········，·····································································································，·……1 2规范性引用文件 ······································································································……1 3检验条件 ···············································································································……1 3.1 检验环境·····································································································……1 4电话机附加功能检验项目及要求 ·················································································……1 4.1电话机附加功能的检验条件··············································································……1 42 电话机型号中类型和功能的标注方法··································································……2 43 附加功能检验方法 ·························································.············… …2 4沸普通电话机检验项目······················································.········……2 4j 其他附加功能························4··························································……3 4石 无绳电话机功能检验项目及要求 ··········································4·····························……3 47 录音电话机