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<p>Hi.</p>
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<p>I was reading about<font color="#000000"><font style="font-size: 12pt" size="3"><i> "gateway"</i></font></font><font color="#000000"><font style="font-size: 12pt" size="3"> (<a href="https://tools.ietf.org/html/rfc3960" target="_blank" style="">RFC 3960</a>)
e </font></font><font color="#000000"><font style="font-size: 12pt" size="3"><i>"application-server"</i></font></font><font color="#000000"><font style="font-size: 12pt" size="3"> (<a href="https://tools.ietf.org/html/rfc3959" target="_blank" style="">RFC
3959</a>).</font></font></p>
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<p><font color="#000000"><font style="font-size: 12pt" size="3">In page 4 of RFC 3960 we can see:</font></font></p>
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<p><font color="#000000"><font style="font-size: 12pt" size="3">"</font></font><span>The gateway model is seriously limited in the presence of forking, as described in Section 3.1. Therefore, its use is only acceptable when the User Agent (UA) cannot distinguish
between early and regular media, as described in Section 3.4. In any other situation (the majority of UAS), use of the application server model described in Section 4 is strongly recommended instead.)"</span></p>
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<p><span>So, I ask:</span></p>
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<p><span>Is OpenSIPS a kind of gateway or an application-server by default? Or this question doesn't make sense here?</span></p>
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<p><span>Any hint will be very helpful!</span></p>
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<p><span>Best regards.<br>
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