Software Developer (SIP / VoIP )£60,000 - £65,000 + Progression + Training + Company Benefits + Hybrid WorkingGuildfordAre you a Software Developer with a background in SIP / VoIP who wants to work on a mission-critical, enterprise communications platform where your code directly supports real-world voice systems used by major organisations rather than standard web or app development?You''ll be joi click apply for full job details