<!-- Module FAQ -->

<chapter>

	<title>&faqguide;</title>
	<qandaset defaultlabel="number">

	<qandaentry>
		<question>
			<para>After switching to OpenSIPS 2.1, I'm getting this error:
				"listeners found for protocol tcp, but no module can handle it"
			</para>
		</question>
		<answer>
		<para>
			You need to load the "proto_tcp" module. In your script, make sure
			you do a <emphasis role='bold'>loadmodule "proto_tcp.so"</emphasis> after setting the <emphasis role='bold'><ulink
			url="https://opensips.org/Documentation/Script-CoreParameters-2-1#toc74">mpath</ulink></emphasis>.
		</para>
		</answer>
	</qandaentry>

	<qandaentry>
		<question>
			<para>I cannot locate "proto_tcp.so". Where is it?
			</para>
		</question>
		<answer>
			<para>
				The "proto_udp" and "proto_tcp" modules are simply built into
				the opensips binary by default. They are not available as shared
				libraries, but look like modules for code consistency reasons.
			</para>
		</answer>
	</qandaentry>

	</qandaset>
</chapter>
