ETSI TS 102 925-2013 语音与多媒体传输质量(STQ).用户感知的从QoS角度对超宽带/全带宽免提终端与会议终端的传输要求 版本1.1.1
Speech and multimedia Transmission Quality (STQ); Transmission requirements for Superwideband/Fullband handsfree and conferencing terminals from a QoS perspective as perceived by the user (V1.1.1)