To download a Calling Tune:

Click register and follow the instructions.
Once you are registered click the login option.
You can now download any Calling Tune by clicking the download option for the tune.

or SMS the word download and the code of the Calling Tune to 151. e.g. to download the Calling Tune, SMS download 50445 to 151.
Each Calling Tune downloaded will cost you Ush.500 and is valid for 30 days.