Seems to work perfect. Thanks a lot!

Thanks again. I am looking foreward to it.

I just checked owncloud. The Calendar app does not have a link. Calendar+ has one link as a seperate field. So it appears one seperate link is considered 'enough'.

You are right. wiki sytax would be useless on other clients. However the ICS url you refer to is just a link. I mean there is no label so you can see what it is where you will go to when you click on it (they could have done URL:"meeting notes":http://bladiebla). Or is that what they mean with 'xparam'?

Thanks for looking into this.