Vox.io – Vox.io provides free voice & video calls over the internet, along with the easiest way to call phones anywhere on earth, straight from your browser. Do you answer calls from unknown numbers?
vox.io will always place calls with your phone number, so your friends know who is calling. You don’t want to re-enter all of those 1337 phone numbers you’ve been collecting. Import your phonebook in a few clicks.