There is an easy way to create the invisible status for Skype or other built in IM client on the Nokia N900 using the GUI. Here is a simple tutorial on how to make yourself invisible in Skype.

1- Click on the status bar and go to "Availability" (You will see something like the screenshot above)

---

2- Create a new status that you are going to use as a custom invisible status for Skype. (Click on the "New status" button to add the new status.)



For the "Name" filed type in whatever you like, for example "Invisible" will do just fine. You can change the home icon by tapping on it and selecting another from the few icons offered:




3- Now click on your Skype account and select "Invisible" from the list of options:



4- Click "Save" and your new Invisible status is ready to be used.
To use it, just tap on the status button in "Availability" and you will be shown as Invisible to all your friends in Skype. Also you can use the steps described in this tutorial to create other custom statuses like "Away", "Do not disturb" or "Offline".

Via : mobile-geeks