ICE-TCP

ICE-TCP is a mechanism by which media is sent over TCP, but not over TURN.

This saves a few bites over the wire and enables sending media directly to a peer or a server located on the public internet where the local firewall doesn’t allow UDP  transmission out of the boundary of the local network.

ICE-TCP is available in Chrome and used by Google Hangouts. It isn’t available on Firefox yet.

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