You could have downloaded VidSpeak 0.25 from our software library for free. The default filename for the program's installer is VidSpeak.exe. The most popular versions of the software are 0.2 and 0.1. This software was originally created by Electric Dreams Inc. The program lies within System Utilities, more precisely Device Assistants.
From the developer:
VidSpeak is a free multipoint video conferencing application for your PC. Use your broadband connection to video and audio conference with more than one person at a time. Free for personal use.
You may want to check out more software, such as iPSP Movie Loader or DockWare Pro for Pocket PCs, which might be related to VidSpeak.