The airline also said that the pilots were not woken up by the SELCAL buzzer. However, a top official of Mumbai Air Traffic Control confirmed that SELCAL was indeed used to establish contact with the pilots. SELCAL, or selective calling, sounds like a buzzer in an aircraft's cockpit when the ATC dials the exclusive four-alphabet combo assigned to an aircraft.
from
Times of India, 27 June
gross misinterpretation of events
Right, please explain how a modern A320 loses communication, and then please explain why a pilot over flys a destination at cruise altitude, believe what you want.
