Is anyone using smartos or solaris and using tcp for gateways? I have raised a ticket https://freeswitch.org/jira/browse/FS-7991 When trying to register to the gateway I get: 2015-08-19 15:07:59.194456 [ERR] sofia_reg.c:2367 97b1323c-9ff1-44e3-b3b2-0e92fefa62a7 Failed Registration with status Service Unavailable [503]. failure #1 nua.c:366 nua_handle_magic() nua: nua_handle_magic: entering 2015-08-19 15:08:00.174456 [WARNING] sofia_reg.c:505 97b1323c-9ff1-44e3-b3b2-0e92fefa62a7 Failed Registration [503], setting retry to 30 seconds. nta.c:9101 outgoing_timer_dk() nta: timer K fired, terminate REGISTER (79662368) nta.c:8799 outgoing_reclaim_queued() outgoing_reclaim_all(0, 0, fffffd7ffe904d20) nta.c:8929 _nta_outgoing_timer() nta_outgoing_timer: 0/0 resent, 0/0 tout, 1/1 term, 1/1 free nta.c:1289 agent_timer() nta: timer not set 2015-08-19 15:08:31.174457 [NOTICE] sofia_reg.c:448 Registering 97b1323c-9ff1-44e3-b3b2-0e92fefa62a7 nua.c:622 nua_register() nua: nua_register: entering nua_stack.c:529 nua_signal() nua(1dc6310): sent signal r_register nua_stack.c:569 nua_stack_signal() nua(1dc6310): recv signal r_register nua_params.c:480 nua_stack_set_params() nua: nua_stack_set_params: entering soa.c:403 soa_set_params() soa_set_params(static::936c10, ...) called nua_dialog.c:338 nua_dialog_usage_add() nua(1dc6310): adding register usage nta.c:4417 nta_leg_tcreate() nta_leg_tcreate(2cc6850) nta.c:2665 nta_tpn_by_url() nta: selecting scheme sip sres_cache.c:272 sres_cache_get() sres_cache_get(149e7a0, SRV, "_sip._tcp.manchester.out.simwood.com.") called sres_cache.c:318 sres_cache_get() sres_cache_get(149e7a0, SRV, "_sip._tcp.manchester.out.simwood.com.") returned 1 entries nta.c:10598 outgoing_query_srv() nta: for "manchester.out.simwood.com" query "_sip._tcp.manchester.out.simwood.com" SRV (cached) sres_cache.c:272 sres_cache_get() sres_cache_get(149e7a0, A, "manchester.out.simwood.com.") called sres_cache.c:318 sres_cache_get() sres_cache_get(149e7a0, A, "manchester.out.simwood.com.") returned 1 entries nta.c:10803 outgoing_query_a() nta: for "manchester.out.simwood.com" query "manchester.out.simwood.com" A (cached) nta.c:10856 outgoing_answer_a() nta: manchester.out.simwood.com. IN A 178.22.143.66 tport.c:3257 tport_tsend() tport_tsend(1555810) tpn = tcp/178.22.143.66:5060 tport.c:4046 tport_resolve() tport_resolve addrinfo = 178.22.143.66:5060 tport.c:4680 tport_by_addrinfo() tport_by_addrinfo(1555810): not found by name tcp/178.22.143.66:5060 tport.c:862 tport_alloc_secondary() tport_alloc_secondary(1555810): new secondary tport 151fa10 tport_type_tcp.c:203 tport_tcp_init_secondary() tport_tcp_init_secondary(151fa10): Setting TCP_KEEPIDLE to 30 tport_type_tcp.c:209 tport_tcp_init_secondary() tport_tcp_init_secondary(151fa10): Setting TCP_KEEPINTVL to 30 tport.c:1017 tport_base_connect() tport_base_connect(1555810): connect(pf=2 tcp/[178.22.143.66]:5060): No such file or directory tport.c:3373 tport_tsend() tport_socket failed in tsend nta.c:8496 outgoing_print_tport_error() nta: REGISTER (79662384): No such file or directory (2) with tcp/[178.22.143.66]:5060 nta.c:1350 set_timeout() nta: timer set to 32000 ms nta.c:1348 set_timeout() nta: timer shortened to 5000 ms nua_stack.c:271 nua_stack_event() nua(1dc6310): event r_register 503 Service Unavailable nua_dialog.c:397 nua_dialog_usage_remove_at() nua(1dc6310): removing register usage nta.c:4470 nta_leg_destroy() nta_leg_destroy(2cc6850) nua_stack.c:359 nua_application_event() nua: nua_application_event: entering nua.c:366 nua_handle_magic() nua: nua_handle_magic: entering 2015-08-19 15:08:31.174457 [ERR] sofia_reg.c:2367 97b1323c-9ff1-44e3-b3b2-0e92fefa62a7 Failed Registration with status Service Unavailable [503]. failure #2 nua.c:366 nua_handle_magic() nua: nua_handle_magic: entering 2015-08-19 15:08:32.174463 [WARNING] sofia_reg.c:505 97b1323c-9ff1-44e3-b3b2-0e92fefa62a7 Failed Registration [503], setting retry to 30 seconds. No SIP is ever sent. It seems to go bad here: tport.c:1017 tport_base_connect() tport_base_connect(1555810): connect(pf=2 tcp/[178.22.143.66]:5060): No such file or directory If I change the transport to UDP, sip flows. Anyone any ideas? TIA Daz