Hello I have been running kamailio on local network including rtpengine and freeswitch. Now i am configuring kamailio with my public IP(trying with stock kamailio configuration to get started) #define WITH_NAT listen=udp:192.168.3.32:5060 <http://192.168.3.32:5060> listen=tcp:192.168.3.32:5060 <http://192.168.3.32:5060> advertised_address= "122.xx.xx.xx" advertised_port="5060" and also using rtpengine module at udp:192.168.3.32:22222 <http://192.168.3.32:22222> now the problems i am facing are 1.> UA can't register with UDP transport(not even recieving any packets at server ,testing with IMSdroid). 2.>TCP is registering the user, but users can't make calls . i've also noticed this error in /var/log/syslog when tcp ca't make calls ERROR: <core> [tcp_main.c:4250]: tcpconn_main_timeout(): connect 100.68.181.111:50842 <http://100.68.181.111:50842> failed (timeout) please help me out _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users