<p>Extensions are individually named, and can be organised into Extension Groups
for the purposes of reporting and administration.  This
administration is done using the Extensions screen, accessible
by pressing the Extension button on the function button panel
on the main screen.</p>

<p>If a call is made or received on an extension that TIM didn't previously know about, it
automatically allocates it to a special group called New
Extensions.  You can then move these newly-discovered extensions
into groups you've already set up, or into new groups which you can
create.</p>

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