Why not just receiving with kamailio and transparently proxying to the pbx after capturing? I.e.: kamailio in the middle
On Sat, 26 Oct 2019 at 14:46, Igor Olhovskiy igorolhovskiy@gmail.com wrote:
Hi!
I'm trying to get Kamailio working as a traffic capture on a same machine with other PBX software installed.
Actually, traffic is mirrored with
iptables -A PREROUTING -t mangle -i eth0 -p udp --dport 5060 -j TEE --gateway 127.0.0.2 https://link.getmailspring.com/link/AB5F9D36-533D-4A52-ADE3-FB76B813163C@getmailspring.com/0?redirect=127.0.0.2&recipient=c3ItdXNlcnNAbGlzdHMua2FtYWlsaW8ub3Jn iptables -t nat -A PREROUTING -d 127.0.0.2 -p udp --dport 5060 -j DNAT --to 127.0.0.1:5062 https://link.getmailspring.com/link/AB5F9D36-533D-4A52-ADE3-FB76B813163C@getmailspring.com/1?redirect=127.0.0.1%3A5062&recipient=c3ItdXNlcnNAbGlzdHMua2FtYWlsaW8ub3Jn
Kamailio request route is super simple request_route { xlog("L_ALERT", "[SIP-PACKET] Got packet [F=$fu R=$ru D=$du M=$rm IP=($si:$sp $Ri:$Rp) ID=$ci]\n"); drop; }
I was trying to get Kamailio just listen on interface 127.0.0.1:5062, but no luck
listen=udp:127.0.0.1:5062
Next was to use sipcapture module with following parameters
loadmodule "sipcapture.so" modparam("sipcapture", "db_url", "text:///tmp/") modparam("sipcapture", "raw_socket_listen", "127.0.0.1:5060-5062") modparam("sipcapture", "raw_interface", "lo") modparam("sipcapture", "promiscious_on", 1)
Also no luck. Means Kamailio can't see packets, but I see em with wireshark on lo interface.
What is best way to get it working? Or I'm missing something?
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