Compare config with ucom

Before shutting down, here is the config of /etc/jitsi/meet/meet-test.ucom.gv.at-config.js which was very stable (even if that jitsi version was from unstable in January 2017):

/* jshint maxlen:false */

var config = { // eslint-disable-line no-unused-vars
//    configLocation: './config.json', // see ./modules/HttpConfigFetch.js
    hosts: {
        // this server was meet.test.ucom.gv.at, got production on 21FEB2017, only external domain changed:
        domain: 'meet.ucom.gv.at',
        //anonymousdomain: 'guest.example.com',
        //authdomain: 'meet.ucom.gv.at',  // defaults to <domain>
        muc: 'conference.meet.ucom.gv.at', // FIXME: use XEP-0030
        //jirecon: 'jirecon.meet.ucom.gv.at',
        //call_control: 'callcontrol.meet.ucom.gv.at',
        //focus: 'focus.meet.ucom.gv.at', // defaults to 'focus.meet.ucom.gv.at'
    },
//  getroomnode: function (path) { return 'someprefixpossiblybasedonpath'; },
//  useStunTurn: true, // use XEP-0215 to fetch STUN and TURN server
//  useIPv6: true, // ipv6 support. use at your own risk
    useNicks: false,
    bosh: '//meet.ucom.gv.at/http-bind', // FIXME: use xep-0156 for that
    clientNode: 'http://jitsi.org/jitsimeet', // The name of client node advertised in XEP-0115 'c' stanza
    //focusUserJid: 'focus@auth.meet.ucom.gv.at', // The real JID of focus participant - can be overridden here
    //defaultSipNumber: '', // Default SIP number

    // Desktop sharing method. Can be set to 'ext', 'webrtc' or false to disable.
    desktopSharingChromeMethod: 'ext',
    // The ID of the jidesha extension for Chrome.
    desktopSharingChromeExtId: 'bfhjlieelihpondglooajhepgcjpjafm',
    // The media sources to use when using screen sharing with the Chrome
    // extension.
    desktopSharingChromeSources: ['screen', 'window', 'tab'],
    // Required version of Chrome extension
    desktopSharingChromeMinExtVersion: '0.1',

    // The ID of the jidesha extension for Firefox. If null, we assume that no
    // extension is required.
    desktopSharingFirefoxExtId: 'JitsiStream@ucom.gv.at',
    // Whether desktop sharing should be disabled on Firefox.
    desktopSharingFirefoxDisabled: false,
    // The maximum version of Firefox which requires a jidesha extension.
    // Example: if set to 41, we will require the extension for Firefox versions
    // up to and including 41. On Firefox 42 and higher, we will run without the
    // extension.
    // If set to -1, an extension will be required for all versions of Firefox.
    desktopSharingFirefoxMaxVersionExtRequired: 47,
    // The URL to the Firefox extension for desktop sharing.
    desktopSharingFirefoxExtensionURL: 'https://ucom.gv.at/apps/download/ucom_jitsistream-0.1.1-signed.xpi',

    // Disables ICE/UDP by filtering out local and remote UDP candidates in signalling.
    webrtcIceUdpDisable: false,
    // Disables ICE/TCP by filtering out local and remote TCP candidates in signalling.
    webrtcIceTcpDisable: false,

    openSctp: true, // Toggle to enable/disable SCTP channels
    disableStats: false,
    disableAudioLevels: false,
    channelLastN: -1, // The default value of the channel attribute last-n.
    adaptiveLastN: false,
    //disableAdaptiveSimulcast: false,
    enableRecording: false,
    enableWelcomePage: false,
    //enableClosePage: false, // enabling the close page will ignore the welcome
                              // page redirection when call is hangup
    disableSimulcast: false,
    logStats: false, // Enable logging of PeerConnection stats via the focus
//    requireDisplayName: true, // Forces the participants that doesn't have display name to enter it when they enter the room.
    startAudioMuted: 12, // every participant after the Nth will start audio muted
    startVideoMuted: 30, // every participant after the Nth will start video muted
    defaultLanguage: "de",
// To enable sending statistics to callstats.io you should provide Applicaiton ID and Secret.
//    callStatsID: "", // Application ID for callstats.io API
//    callStatsSecret: "", // Secret for callstats.io API
    /*noticeMessage: 'Service update is scheduled for 16th March 2015. ' +
    'During that time service will not be available. ' +
    'Apologise for inconvenience.',*/
// do not load external avatars, but avatar2.png (modified ucom avatar) 
    disableThirdPartyRequests: true,
// test etherpad integration
    etherpad_base: 'https://etherpad.termino.gv.at/p/',
    minHDHeight: 540,
    // If true - all users without token will be considered guests and all users
    // with token will be considered non-guests. Only guests will be allowed to
    // edit their profile.
    enableUserRolesBasedOnToken: false,
    // Suspending video might cause problems with audio playback. Disabling until these are fixed.
    disableSuspendVideo: true
};

/etc/jitsi/videobridge/sip-communicator.properties

org.jitsi.videobridge.TCP_HARVESTER_PORT=4443

(added that line to fairmeeting, however it is not mentioned here https://github.com/jitsi/ice4j/blob/master/doc/configuration.md or here https://github.com/jitsi/jitsi-meet/blob/master/doc/quick-install.md#advanced-configuration) #10 (closed)