How To Set Up Free SIP Calling On Any Device Your email has been sent Most people communicating on the internet are using SIP calling. Here’s how to make free SIP calls — and when you shouldn’t.

Skype is riding a VOIP wave it helped create with free computer-to-computer calls, but it's far from being alone in the fast-growing industry Skype users in the U.S. and Canada can call free to ...