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现行 ITU-T M.1040
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Characteristics of ordinary quality international leased circuits 普通质量国际租赁电路的特点
发布日期: 1988-11-25
分类信息
发布单位或类别: 美国-国际电信联盟
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相似标准/计划/法规
现行
ITU-T M.1030
Characteristics of ordinary quality international leased circuits forming part of private switched telephone networks
构成专用交换电话网一部分的普通质量国际租用电路的特性
1988-11-25
现行
ITU-T M.1030
Characteristics of ordinary quality international leased circuits forming part of private switched telephone networks
构成专用交换电话网一部分的普通质量国际租用电路的特性
1988-11-25
现行
ITU-T M.1020
Characteristics of special quality international leased circuits with special bandwidth conditioning
具有特殊带宽条件的特殊质量国际租用电路的特性
1993-03-12
现行
ITU-T M.1025
Characteristics of special quality international leased circuits with basic bandwidth conditioning
具有基本带宽调节的特殊质量国际租用电路的特性
1993-03-12
现行
ITU-T M.1025
Characteristics of special quality international leased circuits with basic bandwidth conditioning
具有基本带宽调节的特殊质量国际租用电路的特性
1993-03-12
现行
ITU-T M.1020
Characteristics of special quality international leased circuits with special bandwidth conditioning
具有特殊带宽条件的特殊质量国际租用电路的特性
1993-03-12
现行
ETSI EN 300 451
Access and Terminals (AT); Ordinary quality voice bandwidth 4-wire analogue leased line (A4O); Connection characteristics and network interface presentation
接入和终端(AT);普通质量语音带宽四线模拟租用线(A4O);连接特性和网络接口演示
2001-07-01
现行
ETSI EN 300 448
Access and Terminals (AT); Ordinary quality voice bandwidth 2-wire analogue leased line (A2O); Connection characteristics and network interface presentation
接入和终端(AT);普通质量语音带宽双线模拟租用线(A2O);连接特性和网络接口演示
2001-07-01
现行
UNE-ETS 300451-1997
BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 4-wire analogue leased line (A40). Connection characteristics and network interface presentation.
商业电信(BTC) 普通质量语音带宽4线模拟租用线路(A40) 连接特征和网络接口演示
1997-11-20
现行
ETSI ETS 300 448
Business TeleCommunications (BTC); Ordinary quality voice bandwidth 2-wire analogue leased line (A2O); Connection characteristics and network interface presentation
商业电信(BTC);普通质量语音带宽双线模拟租用线(A2O);连接特性和网络接口演示
1996-02-01
现行
ETSI ETS 300 451
Business TeleCommunications (BTC); Ordinary quality voice bandwidth 4-wire analogue leased line (A4O); Connection characteristics and network interface presentation
商业电信(BTC);普通质量语音带宽四线模拟租用线(A4O);连接特性和网络接口演示
1996-02-01
现行
UNE-ETS 300448-1997
BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 2-wire analogue leased line (A20). Connection characteristics and network interface presentation.
商业电信(BTC) 普通质量语音带宽双线模拟租用线路(A20) 连接特征和网络接口演示
1997-11-20
现行
DIN EN 300448
Access and Terminals (AT) - Ordinary quality voice bandwidth 2-wire analogue leased line (A2O) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300448 V 1.2.1 (2001-07) as German Standard)
接入和终端(AT).普通质量语音带宽2线模拟租用线路(A2O).连接特性和网络接口表示(作为德国标准认可英文版EN 300448 V 1.2.1(2001-07))
2002-01-01
现行
DIN EN 300451
Access and Terminals (AT) - Ordinary quality voice bandwidth 4-wire analogue leased line (A4O) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300451 V 1.2.1 (2001-07) as German Standard)
接入和终端(AT).普通质量语音带宽4线模拟租用线路(A4O).连接特性和网络接口表示(作为德国标准认可英文版EN 300451 V 1.2.1(2001-07))
2002-01-01