Hi Robert, it sounds like you will get the call automatically providing you have done all the needful things beforehand. Have you done all of this?
Mail: Look at Gerard's mailbox slot on the exit door.
Read the invoice from Tree House Central for 5 nights stay at Woodpecker Tree House.
The Woodpecker Hotel: Use the cell phone and call Tree House Central - new location.
Go to the Woodpecker Hotel. Go forward and look up at the tree house. Look close at the rope hanging below the tree house. How do you get up there?
Jonas: Walk away from the tree house and get a text message from Jonas. He is at Reidler's second hand bookshop - new location.
Go there - Jonas. Talk to Jonas. He has been pruning at the Darwin Forest. Learn how to get up a tree house. You sit on a websling attached to a rope and pull yourself up.