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by carlesfe 3815 days ago
It is definitely a gray area.

We've wandered through many providers, and while some have ToS against missed calls, the provider we're currently using doesn't. And we just reached a partnership with a local provider to whom we'll pay the residual costs of missed calls, and they'll guarantee us the lines. For them, it's business, and for us, it's not 100% free but much cheaper than regular calls.

Regarding the walkie talkie app, yes, that's our goal :) However, one of the parties will need to have an internet connection to send the message. Receiving it is free though.