Hi all experts I install ser in server linux 192.168.0.1 <http://192.168.0.1> fedora. After start ser, i see in the console: Warning:could not rev.resolve 192.168.0.1 <http://192.168.0.1> So that when i send REGISTER to server SER. SER always responds ICMP host unreachable. What do you think? Many thank for your help