Hi try first to use single redis for make sure that it is not a ha proxy
trouble.
If error still exists - try to collect debug information.
>Среда, 6 декабря 2017, 10:53 +03:00 от Aidar Kamalov
>:
>
>Hello,
>
>Kamailio after restart(or start) sometimes can't connect
rtpengine just a proxy. You can use kamailio just a webrtc proxy to freeswitch
if want to use FS as backend server that will handle voice and convert it from
SRTP to RTP.
websocket just a transport like TCP,UDP and TLS, so you also can send SIP over
websocket from kamailio using for example