<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta content="text/html;charset=UTF-8" http-equiv="Content-Type"></head><body ><div style='font-size:10pt;font-family:Trebuchet ms,Arial,Helvetica,sans-serif;'><div>Hi,<br></div><div><br></div><div>I am developing an Audio/Video Android app. I am able to connect to the FS server using SIP protocol over UDP.<br></div><div><br></div><div>I read somewhere that SIP protocol is blocked in some countries. Enterprise firewall restricts UDP packets and allow only TCP on port 443.<br></div><div><br></div><div>What is the best way to do signalling from Android app?<br></div><div><br></div><div id=""><div firebugversion="1.3.3" style="display: none;" id="_firebugConsole"><br></div><div><span class="font" style="font-family:'trebuchet ms', arial, helvetica, sans-serif"><span class="highlight" style="background-color:rgb(255, 255, 255)"><span class="size" style="font-size:13px">Regards,</span></span><span class="highlight" style="background-color:rgb(255, 255, 255)"><span class="size" style="font-size:small"><span><span class="highlight" style="background-color:rgb(255, 255, 255)"><div style="box-sizing: border-box; font-size: 13px;"><span>Senthil Ganesh</span><br></div></span></span><span class="colour" style="color:#666666"><span class="highlight" style="background-color:rgb(255, 255, 255)"></span></span></span></span></span><br></div></div><div><br></div></div></body></html>