Quote:
"You can choose to stop your Ringtagz service at any time by visiting 'Settings' when you are logged in to the website.
You can also stop your service on the go by visiting
http://orange.ringtagz.co.uk/m/ on your phone and selecting 'Preferences' under 'Manage My Ringtagz' or by texting STOP to 88188.
Remember your service will stop on your next billing date, unless you are in a free trial. "
Source:
http://www.ringtagz.co.uk/html/orange/help