title: Voice chat with SIP in Java
body: <p>I would like to build a web application with voice chat functionality. I heard about SIP and I thought it could help me. Please help any simple examples using SIP with Java. Spring is my current framework I'm using.
  Thanks for helping!
  <br>
  ---Edited---
  Actually, my friend told me about Web RTC that can do my expecting functionality. Thanks for looking at this post.</p>