Hello,

if my SIP client tries to connect ... a server error occured (see below). Could you please help me to figure out the reason?
Kamailio is installed on an amazon instance with an elastic IP (52.208.249.214, hostname: synth.ddns.net).

Thanks
Hermann


ubuntu@ip-172-31-32-10:~sudo /etc/init.d/kamailio restart
 * Stopping Kamailio SIP Server: kamailio                                                                                                       [ OK ]
 * Starting Kamailio SIP Server: kamailio                                                                                                              loading modules under config path: /usr/lib/x86_64-linux-gnu/kamailio/modules/
Listening on
             udp: 127.0.0.1:5060
             udp: 172.31.32.10:5060
             tcp: 127.0.0.1:5060
             tcp: 172.31.32.10:5060
Aliases:
             tcp: ip-172-31-32-10.eu-west-1.compute.internal:5060
             tcp: localhost:5060
             udp: ip-172-31-32-10.eu-west-1.compute.internal:5060
             udp: localhost:5060
             *: synth.ddns.net:*

ubuntu@ip-172-31-32-10:~$ kamctl db show subscriber
+----+----------+----------------+----------+---------------+----------------------------------+----------------------------------+------+
| id | username | domain         | password | email_address | ha1                              | ha1b                             | rpid |
+----+----------+----------------+----------+---------------+----------------------------------+----------------------------------+------+
|  1 | Johanna  | synth.ddns.net | 12345    |               | 4fa26cedd456d7105c01a48742e71e42 | 1e249ac341d95701f855fce18bec0fba | NULL |

ubuntu@ip-172-31-32-10:~$ sudo ngrep -d any -qt -W byline . port 5060


Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.5ad567803b13610279818912da2fcd81.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.6a2baefed6cf4f6b6d34c7563d829e44.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.6d74cec9e5f5e46dd9cd67338143127f.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.a3a37d6bd0cd5d68fc786568f587f06e.0.
Via: SIP/2.0/UDP 188.174.185.176:5060;received=188.174.185.176;rport=5060;branch=z9hG4bKPjAgF18hfvv20KOQ9H8G-fqfIPMjjcu9wq.
From: <sip:Johanna@synth.ddns.net>;tag=vzlAJNNNES67ir6nsLMjvyFh5D0Thy6s.
To: <sip:Johanna@synth.ddns.net>;tag=b27e1a1d33761e85846fc98f5f3a7e58.3300.
Call-ID: 9Uj4TSeQAVwaMs3UHf8UKIhuoA4xBEZt.
CSeq: 39586 REGISTER.
Server: kamailio (4.3.6 (x86_64/linux)).
Content-Length: 0.
.


U 2016/10/20 13:44:33.727161 52.208.249.214:5060 -> 172.31.32.10:5060
SIP/2.0 500 I'm terribly sorry, server error occurred (1/SL).
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.2605d82fd11bd8f788cfad582884eb6d.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.e425ad98e0436abc4661d1452a49670d.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.2d047656fb9df0edfccd4a40d20237b7.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.f54ab9c35b22814b15acbe16bcae387f.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.db5960988332c2f4899a5e1c2b57e3c6.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.62f1191bd5af8480698ce118984536c0.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.5ad567803b13610279818912da2fcd81.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.6a2baefed6cf4f6b6d34c7563d829e44.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.6d74cec9e5f5e46dd9cd67338143127f.0.
Via: SIP/2.0/UDP 172.31.32.10;received=52.208.249.214;branch=z9hG4bK533f.a3a37d6bd0cd5d68fc786568f587f06e.0.
Via: SIP/2.0/UDP 188.174.185.176:5060;received=188.174.185.176;rport=5060;branch=z9hG4bKPjAgF18hfvv20KOQ9H8G-fqfIPMjjcu9wq.
From: <sip:Johanna@synth.ddns.net>;tag=vzlAJNNNES67ir6nsLMjvyFh5D0Thy6s.
To: <sip:Johanna@synth.ddns.net>;tag=b27e1a1d33761e85846fc98f5f3a7e58.3300.
Call-ID: 9Uj4TSeQAVwaMs3UHf8UKIhuoA4xBEZt.
CSeq: 39586 REGISTER.
Server: kamailio (4.3.6 (x86_64/linux)).
Content-Length: 0.