ample:</p>
<pre><code>ORTC.subscribe('yellow', true);
</code></pre>
<h4>unsubscribe</h4>
<p>Unsubscribes from the supplied channel to stop receiving messages sent to it.
Parameter:
- <strong>channel</strong> [string]: The channel name.</p>
<p>Example:</p>
<pre><code>ORTC.unsubscribe('yellow');
</code></pre>
<h4>send</h4>
<p>Sends the supplied message to the supplied channel.
Parameters:
- <strong>channel</strong> [string]: The channel name.
- <strong>message</strong> [string]: The message to send.</p>
<p>Ex