What happens at end of gears of war 2 after credits

You hear a message from Adam Fenix saying, "This is Adam Fenix... Is anyone out there...? Can you hear me...? This is Adam Fenix... Can you hear me...? What have you done...?" You hear a message from Adam Fenix saying, "This is Adam Fenix... Is anyone out there...? Can you hear me...? This is Adam Fenix... Can you hear me...? What have you done...?"