html5 - How to use WebRTC without an answer? -


in absence of signalling server coordinating initial exchange, webrtc provide way allow responder send information freely caller, if responder has received offer , has no other methods of communication caller?

(there's no signalling server because web app must useable offline. method establish connection 1 exchange of information useful.)

sorry, it's long , weird question.

webrtc needs signalling system establishing peer peer connection. thing notice why needs signalling.

in process of establishing peer connection 2 parties exchange sdp contains information such ip , port @ both ends @ media/data packets exchanged. contains encoding/decoding or codec used plus many other useful things.thus without exchange of these packets between both parties communication can't possible.

that why not possible @ least in case of webrtc without communication both sides peer connection can established.


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