DataChannel signaling after Hand 2018
Connect Datachannel by hand
Hang Up
send hello
SDP to send:
copy local SDP
SDP to send
SDP to receive:
Receive remote SDP
use Video
use Audio
Start Media
Stop Media
Send SDP over DataChannel
add Video
add Audo
remove Video
remove Audo
re-Offer over DataChannel
Local
Remote