“Worldwide satellite communications are Now available for in-flight communication for passengers to receive and make calls during a flight. The price on board Malaysia Airlines flight for in-flight communication is approximately 2.51 pounds per minute. In-flight Internet is Not available to passengers on board of Malaysia Airlines for emailing, VOID and conferencing.”
http://www.air-valid.co.uk/malaysia-airlines/in-flight-entertainment.html
So, they do have satellite phone service, but only for a charge, so I am assuming those are only for the airphones, and that your cell phone wouldn’t work. There is no in-flight internet on their flights.
Thanks. It ain’t cheep but it’s there IF you want it.