On the forty-first day, Bernard picks up Boone on the radio, and responds to Boone's "We're the survivors of the crash of Oceanic Flight 815" with "We're the survivors of flight 815." This shows the truth behind what Boone was hearing when he originally made the transmission in a previous episode from the first season. Before any further conversation can take place, Ana turns off the radio, dismissing the transmission as another trick by the Others.
On the forty-first day, Bernard contacts Boone via radio, and responds to Boone's "We're the survivors of Oceanic Flight 815" with "We're the survivors of flight 815." This clarifies the truth behind what Boone was hearing when he initially broadcasted his message in a previous episode from season one. Before any further conversation can happen, Ana disables the radio, dismissing the transmission as another trick by the Others.