This post offers a wealth of information when it comes to recording things like webinars, Google Hangouts, and Skype calls.
VIDEO and PDF guide - see on source:
http://blogs.techsmith.com/tips-how-tos/how-to-record-skype-google-hangouts-and-webinars/
Via Patty Ball, RPattinson-Daily
use camtasia to record webinars, skype, google hangouts