美利体育登录入口官网:ITU-T E.459-1998
使用非占用技术表征传真传输性能的测试和计量 E系列:全面网络操作,电话服务,服务操作和人为因素 服务质量
Measurements and Metrics for Characterizing Facsimile Transmission Performance Using Non-Intrusive Techniques - Series E: Overall Network Operation Telephone Service Service Operation and Human Factors - Quality of Service Network Management and Traffic E