pattern:^%{FS_TIMESTAMP} \[WARNING\] sofia_reg.c:1739 SIP auth failure \(REGISTER\) on sofia profile \'internal\' for %{FS_EXTENSION:fs_exten} from ip %{IP:source_ip}$
pattern:^%{FS_TIMESTAMP:timestamp} \[WARNING\] sofia_reg.c:1739 SIP auth failure \(REGISTER\) on sofia profile \'internal\' for %{FS_EXTENSION:fs_exten} from ip %{IP:source_ip}$