AT Technologies provides consumers and businesses around the world with the benefits of cost savings and high quality phone calls using Session Initiation Protocol (SIP) which is a type of Voice over Internet Protocol (VoIP). Using software on your computer or stand alone telephone adapters along with your dial-up or broadband internet connection allows you to bypass the traditional local, long distance, and international telephone carriers resulting in significant savings. AT Technologies provides VoIP based Broadband Phone service using the SIP protocol for personal / residential and business users. Services include outbound calling (termination), inbound calling (Origination / DID / DDI ) around the World.