Ting, an MVNO that until today only resold access to Sprint's network, has added service from an unnamed GSM network. Anyone may sign up for the service, which Ting is offering as a beta. It requires users to purchase a Ting SIM card to be used with an unlocked, compatible GSM handset. Ting said international roaming and international long distance is unavailable for the moment. Ting's beta service for GSM devices does not require an invitation, it is open to all. Ting offers a la carte service and only charges for what people use. Prices start at $15 per month for 100 minutes, 100 messages, and 100MB of data. Ting did not say which GSM network it is riding on, but the coverage map suggests it is using T-Mobile.


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