Tabrio

Tabrio low rates on international long distance calls and SMS text messages on mobile, web and online. Tabrio uses your local phone connection, for huge savings on international voice calls and text messages. Two-way global text messaging say it your way without saying a word. With Tabrio, you can send and reply to global text messages at super low rates. See your conversations in a single, easy-to-follow view, just like instant messaging. Send and reply to text messages right from your desktop.

Requirements:

Windows XP/Vista