diff --git a/IT-Infra-Services/Kalender.md b/IT-Infra-Services/Kalender.md
index bc18608..e6e1e33 100644
--- a/IT-Infra-Services/Kalender.md
+++ b/IT-Infra-Services/Kalender.md
@@ -20,11 +20,13 @@ WIP: https://pad.flipdot.org/2LcGhHSjSvutzsdWUVfs2w#
 ## Public
 - authenticated
 https://mail.flipdot.org/SOGo/dav/com@flipdot.org/Calendar/41-64A05800-5-1B5BE560/
-- public
+- public CalDAV-URL
 https://mail.flipdot.org/SOGo/dav/public/com@flipdot.org/Calendar/41-64A05800-5-1B5BE560/
+- public CalDAV-ICS-URL
+https://mail.flipdot.org/SOGo/dav/public/com@flipdot.org/Calendar/41-64A05800-5-1B5BE560.ics
 
 ## Internal
 - authenticated
 https://mail.flipdot.org/SOGo/dav/com@flipdot.org/Calendar/3C-64A05800-3F-363423C0/
 - public
-https://mail.flipdot.org/SOGo/dav/public/com@flipdot.org/Calendar/3C-64A05800-3F-363423C0/
\ No newline at end of file
+https://mail.flipdot.org/SOGo/dav/public/com@flipdot.org/Calendar/3C-64A05800-3F-363423C0/