On Mon, Nov 28, 2016 at 01:15:03PM +0100, Daniel Tryba wrote: > > UAC == SIP/TLS ==> Kamailio == SIP/UDP ==> FreeSWITCH > > > solution is to use Path on the frontend/loadbalancer. According to this closed bug report it should work for Kamailio/Freeswitch: https://freeswitch.org/jira/si/jira.issueviews:issue-html/FS-4989/FS-4989.html