title: Configure Asterisk as SIP outbound proxy (as a SIP server relay)
body: <p>I just installed an Asterisk and i would like to configure Asterisk as a SIP server relay.</p>
  
  <p><strong>I already have a SIP server but this one doesn't accept directly Web Sockets (wss) connections.</strong></p>
  
  <p><img src="https://i.stack.imgur.com/nMDVD.jpg" alt="enter image description here"></p>
  
  <p>The purpose is to have a web client which use SIPJS library : (<a href="http://sipjs.com/guides/user-agent-construction/" rel="nofollow noreferrer">http://sipjs.com/guides/user-agent-construction/</a>) and which will be able to make a register on sipserver A.</p>
  
  <p>How do I configure <code>sip.js</code> and <code>extension.conf</code> file on asterisk to do that ?</p>