Skype with a USB headset!
There are many ways to use Skype: headset, headphones and internal mic, bluetooth headset and Skype phone. The headphones and internal mic is great because it makes Skype available to everyone. It is not the best configuration however. The problem is that even though Skype has separate settings for Ringing and Audio Output, there is no way to set headphones and internal speakers as separate audio outputs. Using any of the other options solves this problem because it is recognized as a separate audio input/output. The USB headset is what works best for me. I don't why, but the sound quality of bluetooth is terrible compared to how bluetooth works with my iPhone.