Hello, An Wed, Apr 02, 2008, Benny PRIJONO schrieb: >On Wed, Apr 2, 2008 at 6:00 AM, sre kdkjf wrote: >Make sure that your registration succeeds, and enable STUN in your >configuration. When STUN is enabled, PJSUA-LIB will send periodic keep >alive packets to the server to keep NAT binding open. You could use >shorter register interval to keep your NAT binding open, but using >keep alive packets is lighter IMO. > How does one go about keeping the NAT binding open with TCP? I believe the STUN logic in PJProject will not register over TCP keeping with the STUN RFC, so when using TCP as a transport it seems STUN must be switched off. Regards, Michael