Except Sprint is CDMA, and T-Mobile is GSM - again, for data its easy to do, bot... | Hacker News

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		Aloha on June 29, 2015 \| parent \| context \| favorite \| on: Project Fi Review: Cell Service from Google Except Sprint is CDMA, and T-Mobile is GSM - again, for data its easy to do, both networks can use the same APN, so handoff is seamless and transparent, for voice, its less so.

profmonocle on June 29, 2015 [–]

It's less of a problem if they're using voice over LTE. Although it would still be an issue in areas without LTE coverage on one or both networks.

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