Labels:text | font | black and white | screenshot | white | document OCR: HOW IT WORKS When you call someone long distance, you are billed from the moment they answer. The phone company knows you answer when a certain amount of electric current flows through the phone. However, the resistor cuts down the amount of current below the point of billing, yet lets enough go by to operate the mouthpiece. Inside the phone, connected across the F and RR terminals, is a capacitor, a device which allows more volume for your voice without using any more electric current. Answering the phone normally for a fraction of a second stops the rings, but does not let enough current flow to start the billing. If you answer normally for even one full second, however, billing will start. Therefore, hanging up and switching to free will cut you off. To render the device ineffective, th ...
