ETSI ETR 138-1997 标准详情
- 标准号:ETSI ETR 138-1997
- 中文标题:网络方面语音电话和综合业务数字网( ISDN )第二版( NA ) ,服务质量指标的开放网络提供( ONP )
- 英文标题:Network Aspects (NA); Quality of Service Indicators for Open Network Provision (ONP) of Voice Telephony and Integrated Services Digital Network (ISDN) Second Edition
- 标准类别:欧洲通信ETS,I-ETS,PRI-ETSETS
- 发布日期:1997-12-01