North Korea's mobile network is run by a joint state-owned and Egyptian company, Koryolink.

BBC: North Korea allows foreign visitors to use own mobiles

"Bring your own phone next time, " a Koryolink saleswoman told me at the airport as we were departing.

NPR: Tweets, Pics Give Real-Time Peek Into North Korea

North Korean mobile phone provider Koryolink is planning to launch a 3G data service for foreign visitors and residents from abroad.

BBC: North Korea to offer mobile internet access

Egyptian telecoms firm Orascom, which is a partner in Koryolink, estimates that more than 1 million North Koreans use mobile phones.

BBC: North Korea to offer mobile internet access

After reporting last week on the imminent availability of 3G mobile Internet, we turned up at the Koryolink offices Monday to be among the first ones to activate the service.

NPR: Tweets, Pics Give Real-Time Peek Into North Korea