What sat phone would work outside of Europe in Iran/Pakistan? Cheapest is around £600 without a contract and some on ebay that may suffice.
Other option may be www.visionmarine.co.uk/spot-3-generation-3-satellite-gps-messenger-orange.html Personally, SPOT 3 seems okay, once you hit the button in an emergency it kicks in Thunderbirds rescue. Who would you call on the sat phone? You would need to start googling and finding a police stations, hospital locally...