docker-jitsi-meet/jvb/rootfs/defaults/sip-communicator.properties

org.jitsi.videobridge.AUTHORIZED_SOURCE_REGEXP=${JICOFO_AUTH_USER}@auth.${XMPP_DOMAIN}/.*
org.jitsi.videobridge.TCP_HARVESTER_PORT=4443
org.ice4j.ice.harvest.STUN_MAPPING_HARVESTER_ADDRESSES=${JVB_STUN_SERVERS}