Jitsi Install on Apache Error No Video and Other User Can't See Others

Hello master, I have installed Jitsi on Ubuntu Server 16.04, after I access it in the browser and create a room, I cannot activate the video and microphone, and I cannot see other people entering the room. I have followed all the technicalities but I found an error on the http-bind page. Error explanation is Service Unvailable 503. I have also copied the apache.conf settings. Still haven’t found results.

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I also checked the error log prosody the results like this:

Jul 14 06:17:24 general info Hello and welcome to Prosody version 0.9.10
Jul 14 06:17:24 general info Prosody is using the select backend for connection handling
Jul 14 06:17:24 portmanager info Activated service ‘s2s’ on [::]:5269, :5269
Jul 14 06:17:24 portmanager info Activated service ‘c2s’ on [::]:5222, :5222
Jul 14 06:17:24 portmanager info Activated service ‘legacy_ssl’ on no ports
Jul 14 06:17:24 mod_posix info Prosody is about to detach from the console, disabling further console output
Jul 14 06:17:24 mod_posix info Successfully daemonized to PID 21958
Jul 14 06:17:27 c2s1c07ff0 info Client connected
Jul 14 06:17:27 c2s1c07ff0 info c2s stream for <127.0.0.1> closed: This server does not serve auth.meet.internetslim.com
Jul 14 06:17:27 c2s1c07ff0 info Client disconnected: connection closed
Jul 14 06:17:28 c2s1d79630 info Client connected
Jul 14 06:17:28 c2s1d79630 info c2s stream for <127.0.0.1> closed: This server does not serve auth.meet.internetslim.com
Jul 14 06:17:28 c2s1d79630 info Client disconnected: connection closed

Please help me, thanx.