Here are the data structures with brief descriptions:

_IceCandidate
_IceCandidatePair
_IceCheckList
_IcePairFoundation
_IceSession
_IceTransportAddress
_MSAudioConferenceParams
_MSDtmfGenCustomTone
_MSDtmfGenEvent
_MSQosAnalyser
_MSToneDetectorDef
_MSToneDetectorEvent
_MyFilterData
_OpusDecData
_OpusEncData