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
Access Technologies delivers business IP telephony and applications that integrate desktop and enterprise applications with voice communications in a streamlined system that is easy to deploy and manage.