- u -

• uid : nertc.RtcAudioRecvStats , nertc.RtcAudioVolumeInfo , nertc.RtcChannelMediaRelayInfo , nertc.RtcLiveStreamUserTranscoding , nertc.RtcNetworkQualityInfo , nertc.RtcPredecodeFrameInfo , nertc.RtcVideoRecvStats
• uplinkReport : nertc.RtcLastmileProbeResult
• upRtt : nertc.RtcStats
• url : nertc.RtcLiveStreamImageInfo
• useIpv6 : nertc.RtcServerAddresses