This is a Voice over Internet Protocol (VoIP) and streaming media service based on the Session Initiation Protocol (SIP) by which Internet telephony service providers (ITSPs) deliver telephone services and unified communications to customers equipped with SIP-based private branch exchange (IP-PBX) and Unified Communications facilities
The Home Phone system is the solution to saying goodbye to your traditional phone company and to immediately start saving money. Seriously! You can literally save hundreds of dollars every year by using the Home Phone system.