HI.All can anyone help me ? how to use ice in pjsip? this is error code ! # ./pjsua-mipsel-unknown-linux-gnu --use-ice --stun-srv=stunserver.org --use-turn --turn-srv=192.168.100.146 --log-level=6 14:18:53.413 os_core_unix.c pjlib 1.0.2 for POSIX initialized 14:18:53.450 sip_endpoint.c Creating endpoint instance... 14:18:53.454 pjlib select() I/O Queue created (0x5e0060) 14:18:53.455 sip_endpoint.c Module "mod-msg-print" registered 14:18:53.456 sip_transport. Transport manager created. 14:18:53.458 sip_endpoint.c Module "mod-pjsua-log" registered 14:18:53.460 sip_endpoint.c Module "mod-tsx-layer" registered 14:18:53.461 sip_endpoint.c Module "mod-stateful-util" registered 14:18:53.462 sip_endpoint.c Module "mod-ua" registered 14:18:53.464 sip_endpoint.c Module "mod-100rel" registered 14:18:53.465 sip_endpoint.c Module "mod-pjsua" registered 14:18:53.466 sip_endpoint.c Module "mod-invite" registered 14:18:53.473 pjsua_core.c STUN server stunserver.org resolved, address is 132.177.123.13:3478 14:18:54.308 pasound.c PortAudio sound library initialized, status=0 14:18:54.309 pasound.c PortAudio host api count=1 14:18:54.310 pasound.c Sound device count=1 14:18:54.313 pjlib select() I/O Queue created (0x5e7434) 14:18:54.340 sip_endpoint.c Module "mod-evsub" registered 14:18:54.341 sip_endpoint.c Module "mod-presence" registered 14:18:54.342 sip_endpoint.c Module "mod-refer" registered 14:18:54.344 sip_endpoint.c Module "mod-pjsua-pres" registered 14:18:54.346 sip_endpoint.c Module "mod-pjsua-im" registered 14:18:54.348 sip_endpoint.c Module "mod-pjsua-options" registered 14:18:54.350 pjsua_core.c 1 SIP worker threads created 14:18:54.351 pjsua_core.c pjsua version 1.0.2 for mipsel-unknown-linux-gnu initialized 14:18:54.353 sip_endpoint.c Module "mod-default-handler" registered 14:18:54.576 pjsua_core.c SIP UDP socket reachable at 58.211.230.86:63553 14:18:54.579 udp0x5f8970 SIP UDP transport started, published address is 58.211.230.86:63553 14:18:54.581 pjsua_acc.c Account <sip:58.211.230.86:63553> added with id 0 14:18:54.589 tcplis:5060 SIP TCP listener ready for incoming connections at 192.168.100.168:5060 14:18:54.590 pjsua_acc.c Account <sip:192.168.100.168:5060;transport=TCP> added with id 1 14:18:54.592 icetp00 Creating ICE stream transport with 2 component(s) 14:18:54.593 icetp00 Comp 1: srflx candidate starts Binding discovery 14:18:54.596 icetp00 Comp 1: host candidate 192.168.100.168:42554 added 14:18:54.597 udprel0x5fe5c0 TURN client session created 14:18:54.597 udprel0x5fe5c0 State changed Null --> Resolving 14:18:54.598 udprel0x5fe5c0 State changed Resolving --> Resolved 14:18:54.599 udprel0x5fe5c0 State changed Resolved --> Allocating 14:18:54.600 icetp00 Comp 1: TURN relay candidate waiting for allocation 14:18:54.603 icetp00 Comp 2: srflx candidate starts Binding discovery 14:18:54.608 icetp00 Comp 2: host candidate 192.168.100.168:42618 added 14:18:54.609 udprel0x604e08 TURN client session created 14:18:54.611 udprel0x604e08 State changed Null --> Resolving 14:18:54.612 udprel0x604e08 State changed Resolving --> Resolved 14:18:54.613 udprel0x604e08 State changed Resolved --> Allocating 14:18:54.614 icetp00 Comp 2: TURN relay candidate waiting for allocation 14:18:54.615 icetp00 ICE stream transport created 14:18:54.673 pjsua_app.c NAT detected as Full Cone 14:18:54.816 stuntp0x5f8b78 STUN mapped address found/changed: 58.211.230.86:64325 14:18:54.817 icetp00 Comp 1: Binding discovery complete, srflx address is 58.211.230.86:64325 14:18:54.827 stuntp0x602908 STUN mapped address found/changed: 58.211.230.86:61805 14:18:54.828 icetp00 Comp 2: Binding discovery complete, srflx address is 58.211.230.86:61805 14:19:02.511 stuntsx0x60244 STUN timeout waiting for response 14:19:02.512 udprel0x5fe5c0 Allocate error: STUN transaction has timed out (PJNATH_ESTUNTIMEDOUT) 14:19:02.512 udprel0x5fe5c0 State changed Allocating --> Deallocated 14:19:02.513 icetp00 TURN relay failed: STUN transaction has timed out (PJNATH_ESTUNTIMEDOUT) 14:19:02.513 udprel0x5fe5c0 Request to shutdown in state Deallocated, cause:370004 14:19:02.513 udprel0x5fe5c0 State changed Deallocated --> Destroying 14:19:02.515 pjsua_media.c Error initializing ICE media transport: STUN transaction has timed out (PJNATH_ESTUNTIMEDOUT) [status=370004] 14:19:02.515 udprel0x604e08 Request to shutdown in state Allocating, cause:0 14:19:02.516 icetp00 ICE stream transport destroyed 14:19:02.982 pasound.c PortAudio sound library shutting down.. 14:19:02.983 pjsua_core.c Shutting down... 14:19:02.984 udprel0x5fe5c0 TURN client session destroyed 14:19:02.984 stuntsx0x608c8 STUN timeout waiting for response 14:19:02.984 udprel0x604e08 Request to shutdown in state Deallocated, cause:0 14:19:02.985 udprel0x604e08 State changed Deallocated --> Destroying 14:19:02.992 udprel0x604e08 TURN client session destroyed 14:19:03.991 pjsua_core.c Destroying... 14:19:03.992 sip_transactio Stopping transaction layer module 14:19:03.992 sip_endpoint.c Module "mod-default-handler" unregistered 14:19:03.992 sip_endpoint.c Module "mod-pjsua-options" unregistered 14:19:03.992 sip_endpoint.c Module "mod-pjsua-im" unregistered 14:19:03.993 sip_endpoint.c Module "mod-pjsua-pres" unregistered 14:19:03.993 sip_endpoint.c Module "mod-pjsua" unregistered 14:19:03.993 sip_endpoint.c Module "mod-stateful-util" unregistered 14:19:03.993 sip_endpoint.c Module "mod-refer" unregistered 14:19:03.993 sip_endpoint.c Module "mod-presence" unregistered 14:19:03.994 sip_endpoint.c Module "mod-evsub" unregistered 14:19:03.994 sip_endpoint.c Module "mod-invite" unregistered 14:19:03.994 sip_endpoint.c Module "mod-100rel" unregistered 14:19:03.995 sip_endpoint.c Module "mod-ua" unregistered 14:19:03.997 sip_transactio Transaction layer module destroyed 14:19:03.997 sip_endpoint.c Module "mod-tsx-layer" unregistered 14:19:03.998 sip_endpoint.c Module "mod-msg-print" unregistered 14:19:03.998 sip_endpoint.c Module "mod-pjsua-log" unregistered 14:19:04.002 tcplis:5060 SIP TCP listener destroyed 14:19:04.002 sip_endpoint.c Endpoint 0x5d81b4 destroyed 14:19:04.003 pjsua_core.c PJSUA destroyed... # thanks Charles