TsgcTURNClient › Properties › Port
Listening port of the TURN server; defaults to 3478 as defined by RFC 5766.
property Port: Integer read GetPort write SetPort;
—
Set Port to the UDP or TCP port where the TURN server is listening. RFC 5766 shares the STUN reservation: 3478 for UDP/TCP and 5349 for TLS. Change this value when the TURN deployment uses a non-default port (many managed TURN services expose 443 to traverse restrictive firewalls).
oTURN.Host := 'turn.sgcwebsockets.com';
oTURN.Port := 3478;
oTURN.Allocate;