Mitel 5235 User Manual page 27

The Applications shutter provides the following elements:
Scroll Buttons( ): used to navigate through application list.
The applications open within the Applications shutter. For example, as shown
below, the Conference Controller window opens within the Applications
shutter and provides you with a set of options to operate the 5310
Conference Unit with the 5235 IP Phone. For more information, see Using
the 5310 IP Conference Unit.
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