Yes with skype integrated in EF, people can skype with other members easily.
There is skype voicemail too. Its just a software that allows to voicechat through the internet.
You can call cellphones and landlines too with it with skypeout, costs 10$ for 120 minutes.
And you can integrate with your existing landline phone and either use a gamer head set or a cordless phone
One cordless phone that will allow you to call like regular or call through skype for free.
The skype is also not able to be wiretapped either for those worried about the current controversy of wiretapping US citizens.
All of that would be in your profile page like it says send a private message or email to a member, well it can say contact them on skype.
Itd be pretty cool option and super easy for them to set up.
People would have to download skype but it takes a few seconds to setup from
www.skype.com