<html><head></head><body><div style="font-family:courier new, courier, monaco, monospace, sans-serif;font-size:16px;"><div style="font-family:courier new, courier, monaco, monospace, sans-serif;font-size:16px;"><div style="font-family:courier new, courier, monaco, monospace, sans-serif;font-size:16px;"><div style="font-family: "courier new", courier, monaco, monospace, sans-serif; font-size: 16px;">Hello,</div><div style="font-family: "courier new", courier, monaco, monospace, sans-serif; font-size: 16px;">I would like to develop a project that will allow me to:</div><div style="font-family: "courier new", courier, monaco, monospace, sans-serif; font-size: 16px;"><br></div><div style="font-family: "courier new", courier, monaco, monospace, sans-serif; font-size: 16px;"><ul style="margin: 16px 0px; padding: 0px 0px 0px 40px; list-style-type: square; color: rgb(87, 87, 87); font-size: 14px;"><li>voice, video, screen sharing, etc. sessions with content communication via RTP</li><li>end to end presence – this is purely SIP routing</li><li>SIMPLE-based presence (aka, presence server or presence agent model) via presence* and pua* modules — user presence, dialog states notification (aka, blinking lamps), resource lists service (including OMA/RCS extensions), user location states notification and replication, audio/video conference mixer notifications, a.s.o.</li><li>embedded XCAP server – management of user contact lists, presence policies, user agent configuration files, a.s.o. There is also an XCAP client extension</li><li>embedded HTTP server – for admin and user interaction with the service via pure HTTP or XMLRPC requests</li><li>embedded MSRP relay – for relaying and fine controlling of the message-based content of SIP sessions</li><li>IRC-style instant messaging conference via imc module</li><li>storage of instant messages for offline users and relay to them when they become again online via msilo module</li></ul>I need your help to start. I went through the document a little without understanding much. Thanks for your help</div><br></div></div></div></body></html>