As FAX wasn’t designed for digital networks, FAX to email can be tricky unless you’re using UCS Phone System for Windows. UCS uses FoIP – Fax over IP which allows it provide the fax to email service. As part of Unified Communications features, which also includes Voicemail to Email, Fax to Email is widely used by many businesses worldwide as it’s a fantastic way to receive faxes when you’re on the go