mms:// and firefox

How to create mms:// protocol handler in firefox:

1. Open Firefox, type about:config in the address window, and click enter.
2. Right click on the window and choose New, then String from the pop-up menu that appears.
3. In the first pop-up box, enter: network.protocol-handler.app.mms
4. In the next pop-up box enter the path to Kaffeine (e.g. /usr/bin/kaffeine).
5. Now, click in the main window again but choose New Boolean
6. In the first pop-up box, enter: network.protocol-handler.external.mms
7. In the second pop-up select True.