My first post of 2014 is actually a revisit of a post back from 2010:

http://genesysguru.com/blog/blog/2010/10/16/genesys-test-utility-gtu/

Genesys Test Utility (GTU) is a simple Microsoft Windows application which allows telephony commands to be executed either on a single extension or ACD login or concurrently on a group of extensions or ACD logins.