title: Twilio "The SDP is not correctly formatted." when connection SIP
body: <p>I am trying to send SIP from Asterisk to Twilio to start a voice call, but I am getting the error </p>
  
  <blockquote>
    <p>"32102" - "The SDP is not correctly formatted.</p>
  </blockquote>
  
  <p>Request Parameters:</p>
  
  <pre><code>SipCallId   "31780c1014c8110130d0d50962cafa11@10.100.0.30"
  SipSrcTransport "udp"
  UserAgent   "PRACTIS SCOUT/SIP 2.6"
  To  "&lt;sip:2410@mytestbot.sip.twilio.com&gt;"
  From    "\"PRACTIS\" &lt;sip:PRACTIS@10.100.0.30&gt;;tag=as3923c373"
  </code></pre>
  
  <p>I didn't find a way to get the request body message from Twilio debugger.</p>
  
  <p>I am missing something?</p>