The compact flash slot enables to increase the number of announcement files on the Branch Gateway from 256 to 1024, by storing them on a removable 1 GB compact flash memory card. Note that, since the announcements are played from the RAM, you must also increase the RAM from 256 MB to 512 MB. You can obtain an Avaya upgrade memory kit which includes both, a compact flash memory card and a RAM memory card. For instructions on installing and enabling the compact flash memory card, see Job Aid: Installing the upgrade memory kit components in the Avaya Branch Gateways, 03-603203.