Hello, I am trying to configure Kamailio as both an inbound and outbound proxy. Inbound requests flow Sip Trunk -> Kamailio -> Asterisk. Outbound requests flow Asterisk -> Kamailio -> Sip Trunk. Inbound traffic is sent to port 5060 on kamailio which listens on the PRIVATE_IP:5060 and advertises PUBLIC_IP:5060. How can we ensure that when messages are sent to the Sip Trunk they have Record-Route headers with the PUBLIC_IP and when messages are sent to asterisk they have Record-Route headers with the PRIVATE_IP?
You need two Record-Route headers, one for the ingress interface and one for the exit interface. They are added in a different order depending on which exit interface is used.
Fortunately, there is an option for just that, and it's on by default:
https://kamailio.org/docs/modules/5.4.x/modules/rr.html#rr.p.enable_double_r...
-- Alex
On 1/28/21 6:53 PM, Michael Friesen wrote:
Hello,
I am trying to configure Kamailio as both an inbound and outbound proxy. Inbound requests flow Sip Trunk -> Kamailio -> Asterisk. Outbound requests flow Asterisk -> Kamailio -> Sip Trunk. Inbound traffic is sent to port 5060 on kamailio which listens on the PRIVATE_IP:5060 and advertises PUBLIC_IP:5060. How can we ensure that when messages are sent to the Sip Trunk they have Record-Route headers with the PUBLIC_IP and when messages are sent to asterisk they have Record-Route headers with the PRIVATE_IP?
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Alex Balashov -
Michael Friesen