Andrey Utkin writes:
jssip -> android: no sound from phone to the browser, i see that jssip sends "sendonly" attribute for audio in INVITE's SDP.
same here. perhaps it is better to wait a year or two before the moving targets (both specs and implementations) stabilize.
while waiting, it may also turn out that webrtc itself becomes irrelevant, since a new sdpless rtc api is in the works.
-- juha