The proc wasn't very complex. When Moffit wanted to contact Osborne, she called his office via a public telecom, ID'ing herself as a personal friend. If Osborne wasn't available, Moffit left a particular message and called back later. If Osborne wanted to contact her, he followed much the same routine. The only sophisticated part was that they used portable voice-translation gear to prevent their voice prints from ever being matched to their corporate personnel files.