Speech and multimedia Transmission Quality (STQ); Reference benchmarking, background traffic profiles and KPIs; Part 1: Reference benchmarking, background traffic profiles and KPIs for VoIP and FoIP in fixed networks
语音和多媒体传输质量(STQ);参考基准、背景流量概况和KPI;第1部分:固定网络中VoIP和FoIP的参考基准、背景流量概况和KPI