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Low-Code, No-Code with Java

airhacks.fm podcast with adam bien

CHAPTER

The History of ISDN

There's no more ESDN anymore. Actually, I think there's a digital version for compatibility reasons on systems that need ISDN. And before SDN, there was the normal connection, a connection and SDN had the advantage that you could have multiple numbers. This must have been very expensive. It was two or three hundred euros a month or something like this. But it was not, it is crazy but for business or care, I would say.

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