If you are currently logged into Raidcall, you may have to log out to update your build. Log-out option is in upper right-hand corner of the window.
Version: V7.3.4-1.0.12786.82 (Mar 23, 2014)
1. Improve voice quality and reduce voice latency.
2. Optimize certain functions and fix some bugs.
Pass the word so that folks know to update. You can check your version by clicking on the settings button, then selecting Help Center > About Raidcall.