M5 Networks Voice as a Service is a breakthrough solution for business phone communications. Industry experts tell us that in ten years, no business will have a phone system – they will acquire phone system capabilities as an on-demand, managed service over the Internet – in other words, Voice as a Service. M5 pioneered Voice as a Service in 2000. Today we serve a rapidly growing base of mid-sized businesses. Our solution is distinguished by the rich capabilities and unmatched service that you would expect from an industry leader.