Multi-national businesses need to know the lay of the land and plan effectively to navigate the regulatory and technological hurdles associated with deploying SIP trunking globally.  Those are some of the takeaways from my discussion with Brian Harrington, Associate Vice President and Product Manager for Tata Communications Global SIP Connect product line.  If you are considering taking SIP (Session Initiation Protocol) on the road internationally, this is a must-listen interview.  Check it out!