How to send data from cloud server to a device in which hologram SIM is inserted.

Software Tools Data Engine and Dashboard
1

I want to send data from cloud server to a device in which hologram SIM is inserted.

There are two options to send data to it from dashboard, SIM or Cloud data.
I understand sending data through SMS but don’t understand Cloud data function.

I read this page. So must the device be a server?
I’m poor at communication system, but as long as I know, a server must have a static IP. Does hologram offer a static IP?

Thanks.

2

Hi, to use the data function you would need a server on the device listening on a specific port. You don’t need to worry about the IP since our servers already know the IP of the SIM and are able to communicate to our SIMs via our private network.

If you are using the Hologram Nova with a Raspberry Pi and our SDK you can run hologram receive --data and it will start up a server on port 4010 to play with.

3

Oh, does hologram SIM work on a private network which is separated from the internet?

If so, you don’t need TLS encryption on sending data right?

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