How to open a url by unity from iPhone?

How :?:

See Application.OpenURL and

I couldn’t try it then. It was looking so simple, but on trying I got the following error.

Ok fine, Application.OpenURL

will only work with ‘Unity iPhone Publishing Advanced’ license and not with ‘iPhone Publishing Basic’ license.

What is so special to put it in Advanced :?:

The lack of other things to put in Advanced.