id summary reporter owner description type status priority milestone component version resolution keywords cc backport_to_milestone backported 1865 Main thread blocked by NAT type detection in library start nanang bennylp "Currently {{{pjsua_start()}}} will automatically start NAT type detection, it may block the application UI/main thread (the thread calling {{{pjsua_start()}}}, usually it is the UI/main thread), when the configured STUN server is down. So, let's just perform NAT type detection only after STUN server resolution is succeeded. Also, make the library starting NAT type detection only when {{{pjsua_config.nat_type_in_sdp}}} is set to non-zero. " enhancement closed normal release-2.4.5 pjsua-lib trunk fixed 0