It's a simple Ruby Datumbox Wrapper. It has only one class, called Datumbox (datumbox.rb), which makes all the work for you. It uses the RestClient library to make remote calls to the Datumbox API. This class has one method to each available service provided by the Datumbox.
Talkray is a mobile application created by TiKL, a company also known for its TiKL Touch To Talk walkie-talkie application for Android and iPhone. Talkray is the company's broader communications app that allows users to make phone calls as well as send and receive text messages and photos. Talkray's API makes it possible for developers to add things like voice calling and text chats to their applications.