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Regarding machine-to-machine communications, I'm wondering if these extra numbers are needed because mobile devices require a phone number to interface to mobil
by andyjohnson0 7y ago
Regarding machine-to-machine communications, I'm wondering if these extra numbers are needed because mobile devices require a phone number to interface to mobile networks, even thought they typically only initiate data exchanges. Or‡ are there devices that actually receive phone calls - as in dial-up?
‡ not familiar with tech in Japanese infrastructure
- michaelt 7y agoThere are certainly cheap GPS trackers that send SMS messages. Of course, those are usually sold to consumers rather than into the M2M market.