Hours ahead of Saturday's offensive, Pakistani authorities imposed a curfew and turned off mobile phone service in some areas.

VOA: standard.2009.10.17

"This phone will work only for 11 days, when we are near the Earth, but it will be switched off later."

VOA: standard.2010.06.02

"Reaching for a cell phone when it's going off, you're nine times more likely to get into an accident than normally driving."

VOA: standard.2010.06.24