the old link leads to the Jitsi Chat application. But for "Calls" the "Jitsi Meet" app is required.

I just tried 'https://calls.disroot.org//MeinDisrootTest' in WIN Jitsi 
Meet, now works fine after Fix for issue #110

So now the linkfix is required.

pages/03.services/14.calls/_calls-clients/clients.de.md

@@ -13,7 +13,7 @@ clients:
     -
         title: Jitsi Desktop
         logo: ../_calls/jitsi_logo.png
-        link: https://desktop.jitsi.org/Main/Download#stableline
+        link: https://github.com/jitsi/jitsi-meet-electron/#installation
         text:
         platforms: [fa-windows, fa-linux, fa-apple]
 

pages/03.services/14.calls/_calls-clients/clients.en.md

@@ -13,7 +13,7 @@ clients:
     -
         title: Jitsi Desktop
         logo: ../_calls/jitsi_logo.png
-        link: https://desktop.jitsi.org/Main/Download#stableline
+        link: https://github.com/jitsi/jitsi-meet-electron/#installation
         text:
         platforms: [fa-windows, fa-linux, fa-apple]
 

pages/03.services/14.calls/_calls-clients/clients.es.md

@@ -13,7 +13,7 @@ clients:
     -
         title: Jitsi Escritorio
         logo: ../_calls/jitsi_logo.png
-        link: https://desktop.jitsi.org/Main/Download#stableline
+        link: https://github.com/jitsi/jitsi-meet-electron/#installation
         text:
         platforms: [fa-windows, fa-linux, fa-apple]
 

pages/03.services/14.calls/_calls-clients/clients.fr.md

@@ -13,7 +13,7 @@ clients:
     -
         title: Jitsi Desktop
         logo: ../_calls/jitsi_logo.png
-        link: https://desktop.jitsi.org/Main/Download#stableline
+        link: https://github.com/jitsi/jitsi-meet-electron/#installation
         text:
         platforms: [fa-windows, fa-linux, fa-apple]