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
Orbtalk are a leading Voice over IP provider based in the UK. With a large customer portfolio based throughout the UK and worldwide, Orbtalk aim to provide the right telephony solution for your business.