Voip Pbx Services: opensips

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<h2>
What is SIP Server?</h2>
The SIP Server is a stable Open Source implementation of a SIP server. 
The company named OpenSIPS has developed a SIP proxy/router. As per opensips not just sip proxy, as it includes application-level functionalities.

The main core element of any SIP-based Voip system is a SIP server. With this routing engine, OpenSIPS unifies Voice, Video, IM in a better way.

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<h2>
Why to use OpenSIPS?</h2>
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<li>Better performance.</li>
<li>Ease of use.</li>
<li>Flexibility.</li>
<li>Monitoring and control</li>
<li>Web interface.</li>
</ul>
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<h2>
Features:</h2>
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<ul style="text-align: left;">
<li>Open SIP registrar server</li>
<li>Open SIP router / proxy (lcr, dynamic routing, dialplan features)</li>
<li>Open SIP redirect server</li>
<li>Open SIP presence agent</li>
<li>Open SIP back-to-back User Agent</li>
<li>Open SIP IM server (chat and end-2-end IM)</li>
<li>Open SIP to SMS gateway (bidirectional)</li>
<li>Open SIP to XMPP gateway for presence and IM (bidirectional)</li>
<li>Open SIP load-balancer or dispatcher</li>
<li>Open SIP front end for gateways/asterisk</li>
<li>Open SIP NAT traversal unit</li>
<li>Open SIP application server</li>
</ul>
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<h2>
Download Links/Resources:</h2>
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<li>Opensips <a href="http://opensips.org/pub/opensips/">Download link</a> </li>
<li>External <a href="http://www.opensips.org/Downloads/Downloads">Download Links</a></li>
</ul>
Related Project on <a href="https://code.google.com/p/sip-for-voip/">Google code hosting</a>
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SIP Proxy Server Open Source System for VoIP

What is SIP Server? The SIP Server is a stable Open Source implementation of a SIP server. The company named OpenSIPS has developed a SI...