The Answer to sending and receiving a fax over VoIP and 3 Alternatives We’ve been receiving a number of questions about sending and receiving a fax over VoIP (Voice Over IP) lately using a normal fax machine. IT IS possible to do, but it’s not quite as simple as plugging the machine into a phone jack. However, don’t worry, it’s not complicated either. YES! The fax machine still has a place in our business world, so I’ll tell you how you can keep using yours, and I’ll also tell you about some alternatives that may pleasantly surprise you.