Your ejabberd XMPP server is a powerful piece of software. But configuring everything requires several steps. Your best place to start is this hands-on ejabberd installation tutorial and this ejabberd STUN/TURN tutorial. If you have specific questions, first be sure to consult the official ejabberd documentation.
During a pandemic, businesses around the world face the same fundamental problem: how to quickly move office staff to work remotely from home? You need an instant messaging (IM) platform like the ejabberd real time IM server. Of course, you can choose other cloud services, but they come with a common set of problems:
In case you were wondering, all ProcessOne services and operations are continuing as usual throughout COVID-19 outbreak. For more than a decade ProcessOne has been providing realtime messaging & communication services while its team was working 100% remotely, from various global locations. We continue to do so today without interruptions.