Interop: Avaya chief pushes SIP Summary: At the Interop conference in Las Vegas, Kevin Kennedy, CEO of Avaya, outlines the characteristics of Session Initiation Protocol. He sees SIP as a consolidating technology that will follow a similar adoption path to that of TCP/IP. April 28, 2010 -- 13:34 GMT (06:34 PDT) Loading... Please wait. Topic: Emerging Tech Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.