Accept video call = Ctrl + Shift + A Accept audio call = Ctrl + Shift + S Decline call = Ctrl + Shift + D Start audio call = Ctrl + Shift + C Start video call = Ctrl + Shift + U Toggle mute = Ctrl + ...
Apple's autocorrect on iPhone and iPad always aims to help when you're typing a message, but it's by no means perfect, and some of the replacements it continually spews out can be frustrating.