Hold one hand a reasonable distance in front of waist with palm sideways and fingers and thumb both bent forward in a sideways 'U' shape. Your other hand moves from up near armpit with fingers, but not thumb, bent forward; down and forward so that fingertips pass through the 'U' of your other hand.
Context for Auslan
There is a different sign for inbound verses outbound faxes, however this sign can also be used generally.
