Hi again.

You can try to use topology hiding in you kamailio( don't forget add some code for message which has uri==myself it present in docs).

I use it and ack processing well.

I think it's because some sip servers can't work with SIP proxy. it created only for PBX.

2014-06-10 18:16 GMT+06:00 Gijs Kwakkel <kwakkel1000@gmail.com>:

client1 <> provider <> kamailio <> asterisk <> client2

when client1 calls client2, everything seems to work. sounds works.
after a few seconds the call gets terminated.

after tcpdump syslog and config checks i figured out that asterisk sends 200 OK through kamailio to the provider, after this the provider sends a ACK to kamailio, kamailio however sends this ACK to itself and not to asterisk.

I added the config, syslog and wireshark output (converted)

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