[Asterisk-Users] What does "Page" application do?

[Robert La Ferla]

Why would you use this?  Can someone please elaborate on the below 
description?  I'm missing the intent of it.

localhost*CLI> show application Page
[Synopsis]
Pages phones

[Description]
Page(Technology/Resource&Technology2/Resource2[|options])
  Places outbound calls to the given technology / resource and dumps
them into a conference bridge as muted participants.  The original
caller is dumped into the conference as a speaker and the room is
destroyed when the original caller leaves.  Valid options are:
        d - full duplex audio
         q - quiet, do not play beep to caller