Information required regarding Opensip <p>I am a newbie in programming world.<br> I want to experiment with sip protocol and make c program.<br> trying to use opensip from <a href="http://www.opensips.org" rel="nofollow">http://www.opensips.org</a>.<br> but I am not able to install it properly.<br> I am using ubuntu 13.04 linux system.<br> Can anybody guide me for its installation, and give me some simple example to understand sip programming more clearly.<br> So that i will have a right direction to start in.</p>