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132 CHAPTER 11: MANAGING MEDIA GATEWAYS
4 Double-click a field to choose the upgrade file.
The drop-down list in each field displays all of the installed software
upgrade files on the server. There are several types of upgrade files:
■ CMP files—actual system upgrades of software versions for the
gateway.
■ CPT files—call progress tones.
■ FXO and FXS files—Foreign Exchange Office; Foreign Exchange
Station.
■ VP files—voice profiles.
5 Click Save all.
6 From the Explorer tab, right-click on the media gateway and select the
appropriate type of upgrade from the pop-up menu.
Only those upgrade types that have been chosen in step 4 will be enabled
for selection.