Mambotastic SMS RC3
This SMS engine will let you provide SMS functionality to your users , straight out of the box when used with the Joomla CMS. The component runs on the Clickatell gateway.
Clickatell provide one of the most comprehensive geographical coverage maps we could find, and their wide API base means we can develop additional extension components, ring tone and picture messaging for instance. Features include: Administration End - Language Manager, Clickatell Balance Query, Subscriber Management, Bulk SMS, SMS History, Send Single SMS Messages, Free SMS Message Limits.
Frontend - Registered User Setup, Offer SMS To Your Users, Update Details, Send SMS Messages, Send Group Messages, Manage Group Members, View SMS History, View SMS Credits.