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Holger Hans Peter Freyther holger at freyther.deOn Tue, Jan 14, 2014 at 09:41:39AM +0100, Jacob Erlbeck wrote: > If (and only if) we can rely on incoming packets from any type of BTS > when SEND_RECV is used, we could optimize these few packets away. > > Otherwise I'd rather check, whether packets have been sent to the net > since the last timeout and only send a keep alive packet if there were none. I disagree. Keep things simple and look at the connection state. if (and only if) we start to look into DTX we can consider adding a heuristic that checks the time of the last outgoing RTP packet. holger