title: Register external sip phone on freeswitch (Fresh Installed on Aws Debain 1.10)
body: <p>How to register a sipphone in external network to freeswitch ??</p>
  <p>Sip phone Error : 408</p>
  <p>I have followed the following steps after installation:</p>
  <p><a href="https://freeswitch.org/confluence/display/FREESWITCH/General+NAT+example+scenarios" rel="nofollow noreferrer">https://freeswitch.org/confluence/display/FREESWITCH/General+NAT+example+scenarios</a></p>