This document has been created to assist those who would like to hide the “new call status buttons” that appears on v12 Jabber (End Call, Return, Mute) . Sample below:

To remove them, you have to disable the “docked window”

Then, you should exit form Jabber at the (exit Menu)
Once you relaunch Jabber it won’t show the “call docked window” which is the one that shows the “end call button”