Connecting to a local network through cellular network


I have a restaurant and we work with a Point of Sale software on iPad that allows us to take the orders of the customers.

All the iPads are running on the app and connected to the same local network (connected to internet). On this network, there are also some network printer that are used to print the orders in the kitchen / bar. We have also a terrace where we serves the customers from outside the restaurant. The issue is that we cannot catch the Wifi network and it’s impossible to add a antenna or a Wifi router to extend the Wifi range.

We are thinking about getting Cellular iPad to take orders from outside.

In that sense, my question is to know if it is possible to access to a local network (which gives access to internet) through a VPN with the Cellular network of the iPad (4G).

Thank you!

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Re: cellular iPad

No, that works only if the database of POS system is in the cloud or accessible from the outside world, not if it is on some local server like it is now.

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RE: cellular iPad

Thanks for your answer.

In fact, the database of the POS is online in the cloud. You can check it : Tiller Systems. You can acces from anywhere to your POS account and then to your sales, modify menu...

But the issue is to determine if by connecting through a personal VPN, I could virtually recreate that connection to my network where my internet printers (for kitchen and bar) are connected.

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Re: cloud

Then all you need is a program in your LAN that checks the database in the cloud every 15 seconds to see if there are new orders from the cellular devices and print those. Ask the maker of the POS system to make that for you, if they don't yet have it.

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RE: cloud

I don’t know if they will be able to develop it just for me. However, would it be possible to process like this :

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RE: cloud

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