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
World-Link is an integrated communications provider marketing communications solutions to targeted customer markets by combining networks, applications and value added services with on-line management, self-service and support.