911 Emergency calls are always recorded. Personal calls are either re-enactments or messages left on answering machines.
I'm pretty cell phone calls can be monitored and saved for a fue years before there deleted, But I'm not too sure on landlines.
I think they were messages left on voice mails or answering machines.
In a recording studio. Mobile phones do not work on aircraft.
Mainley yes i
use your brains - stop believing the lies
there never was a terrorist attack
source: http://bit.ly/14MtuS2
On TV they're playing phone calls from relatives and stuff - who recorded these calls? I don't understand. Are everyones calls monitored 24/7?