I have noticed that when I go to buttons and give a bunch of extension a Group name so that it will keep them together on the FOP2 screen it ignores what I typed as soon as I save the data is deleted and the Groups field is empty.
Before in Trixbox I used to do all of this in the Buttons.cfg file which worked fined but since we migrated to a new server Elastix 2.3 with FreePBX2.8 it does not work.