Fun / SIP Trunking / Take a SIP of This Quiz By James Grainger / April 19, 2012 / 0 Comment Tags: quiz, SIP Trunking We’ve explored the value of SIP trunking from several points of view on the blog. But do you know what ‘SIP’ stands for? Answer our poll below. What do the initials ‘SIP’ stand for? Synchronized Integration Path Simulated Internet Protocol Session Initiation Protocol Super Innovative Presence View Results Loading ... About the author / James Grainger James Grainger is a Toronto writer, editor and author. His work has appeared in the Toronto Star, Globe and Mail, Quill & Quire, Sharp, Hardly Magazine, Elle Canada and Fashion, and he is the author of The Long Slide.