North Korea (which recently added Google's Eric Schmidt to its guest book) will begin loosening its restrictions on foreign cellphones, allowing any arrivals to either pick up a rental phone or SIM card from service provider Koryolink. With a rental booth already set up in Pyongyang airport, you'll be able to dial out to numbers abroad, foreign embassies and international hotels. However, the SIMs (priced at around $67) won't allow you to call locals, nor will they offer any internet data -- not even EDGE. Apparently, providing data to the rental SIMs in North Korea wouldn't be a technical issue, but is dependent on whether it's granted approval by the DPRK government.
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