For those who are unaware of the changes since Micro$oft bought Skype, I thought I would bring your attention to this, and urge you to think twice (again) about using it.
Use a secure multi-client alternative like Trillian, and it will enable encryption to another Skype compatible program.

The H's associates at heise Security made a discovery this week that caused somewhat of a controversy when they exposed what seemed to be Microsoft probing URLs that were posted in Skype chats. As the week went on, further research into this behaviour unearthed some more facts and raised further questions.
The H Roundup - Skype surveillance, Linux exploit & Android Studio - The H Security: News and Features