onOffer
abstract suspend fun onOffer(callType: String, description: String, presentationInMain: Boolean, fecc: Boolean): String?
Invoked when an offer is available.
Return
an answer, may be null if in a direct media call
Parameters
callType
a call type (currently only "WEBRTC" is supported)
description
an offer, usually represented by an SDP
presentationInMain
whether presentation should be embedded in main video feed
fecc
whether far end camera control should be enabled