<p>I couldn't spot anything in the code and not able to reproduce. Can you print $tu in the log messages, like:</p>
<pre><code>    if (registered("location", "$tu")){
        xlog("L_INFO", "$rm $ci - [$tu] registered");
    }
    else{
        xlog("L_INFO", "$rm $ci - [$tu] NOT registered");
    }
</code></pre>
<p>Add also:</p>
<pre><code>log_prefix="{$mt $hdr(CSeq) $ci} "
</code></pre>
<p>and set debug=3 in order to get all debug messages. Reproduce the case and attach the all debug message for analyzis.</p>

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