I have a UA that I am attempting to register to OpenSER 1.1.1 via TCP and the only hint I can give it the following statement that is placed in the syslog file. WARNING: io_wait_loop_sigio_rt: ignoring event 41 on fd 0 (fm->fd=0, fm->data=(nil)) I have placed in the first line of the main route the following just to see if the registration is making it to the main route and it is not. if(proto==TCP) { xlog("L_INFO","SIP message was received over TCP\n"); }; I can tell from tcpdump that the packet is being received and a complete SYN,ACK is successful. Global Config: listen=10.1.1.28:5060 disable_tls=1 tcp_children=4 tcp_send_timeout=3 tcp_connect_timeout=5 tcp_connection_lifetime=3600 A netsat shows the port in a listening state. When starting OpenSER it shows that it is listening on TCP:IP_ADDR:5060 When the UA sends a register request, a connection is established, the one statement above is placed in the log file and then the connection goes to a CLOSE_WAIT state. Any suggestions. I know at least one of us has seen this before. I searched the list archives and found one thread in Nov 06 discussing the same issue; but no follow-up of resolution posted. http://lists.openser.org/pipermail/users/2006-November/007653.html -- -- Krom kyle.romulas(a)gmail.com