home.md

@@ -44,7 +44,7 @@ You find our self service plans fairmeeting small, medium and edu on our [produc
 
 ### How many people can attend?
 
-Up to 50 (as of March 2020). From May 2020 more than 100 (when upgraded to [Videobridge2 ](https://community.jitsi.org/t/maximum-number-of-participants-on-a-meeting-on-meet-jit-si-server/22273/11)).
+Up to 75 (with fairmeeting large plan). 
 
 ### Where do I find more information on the service?
 
@@ -52,6 +52,12 @@ See the [fairmeeting product page](https://www.fairkom.eu/fairmeeting) for usage
 
 You find some more documentation at the [fairchat FAQs](https://fairchat.eu/fairmeeting) (which has fairmeeting embedded). 
 
+### How can I test my mic and camera?
+
+Before entering the room you can select your devices in the browser. Connecting via Terminalserver or VPN may cause limitations.  
+
+If you have troubles: [Here is a self test](https://webrtc.github.io/samples/src/content/devices/input-output/) to see and hear an echo. 
+
 ### Which ports does fairmeeting require?
 
 Some organisations may have firewall restrictions. Media streams go with RTP UDP through port 10000. If your firewall is blocking those, as a fallback, https TCP 443 is being used (with poorer quality via a TURN server).