title: Not Registered. Server returned "Method not allowed" (405)
body: <p>I have successfully configured Asterisk Asterisk 10.12.1 on Ubuntu 12.04 &amp; all the packages which were required has been installed successfully. Then i added an account in sip.conf file &amp; added that account in SFlphone but it is not registering and giving the following error:</p>
  
  <p>Not Registered. Server returned "Method not allowed" (405).</p>
  
  <pre><code>  [3001]
    type=friend
    context=default
    secret=3001
    host=dynamic
    nat=no
    canreinvite=no
    mailbox=1000@default
  </code></pre>