Have you ever wanted to record a Skype call for broadcast in a class at a later time or for other blocks of a class. For international schools with often significant time zone issues in reaching people live, perhaps recording Skype conversations would prove beneficial. If this sounds interesting to you, check out Call Graph for a tool to allow you to do it.
The initial cost is free but as with many services like this, the level of service changes with levels of payment.
For more info, check out this link as well.