Here are the data structures with brief descriptions:

C_IceCandidate
C_IceCandidatePair
C_IceCheckList
C_IcePairFoundation
C_IceSession
C_IceTransportAddress
C_MSAudioConferenceParams
C_MSDtmfGenCustomTone
C_MSDtmfGenEvent
C_MSQosAnalyser
C_MSQSAReadData
C_MSQSAWriteData
C_MSToneDetectorDef
C_MSToneDetectorEvent
C_MSVideoConfiguration
C_MyFilterData
C_OpusDecData
C_OpusEncData