The act of screening a call from family, a friend, or common acquaintance. Can have hazardous result depending upon the speed of the screen. Usually accomplished through a cell phone.
"Are you sure you called him, you were hardly on the phone."
"It went straight to his answering machine. He red phoned me back to the stone age."
red | fohn
To intentionally reject an unwanted or unwelcome call on one's cell phone.
Dude, Chris just red phoned me!
Shit! What a douche! Wonder what you did to piss him off!