标准号:ITU-T E.491-1997
中文标准名称:ITU-T E.491-1997 目标话务测量 服务质量,网络管理和通信工程 通信工程 测量和通信纪录 E系列:全面网络操作,电话服务
英文标准名称:Traffic Measurement by Destination Quality of Service Network Management and Traffic Engineering - Traffic Engineering - Measurement and Recording of Traffic - Series E: Overall Network Operation Telephone Service Service Operation and Human Factors Study
发布日期:1997-05-01
中国标准分类号:M04