We all weren't deprived, I had both an ISDN terminal adapter and IDSL circuit at my house. Both were outrageously expensive, they provided by the company I was doing contract work for. They had dialup ISDN data connections, I was their test node if other folks reported problems.
On Wed, 11 Jul 2018, Paul de Weerd wrote:
Hi Tom, With the answers you already got, I think it's obvious that the american continents were deprived of this fine technology .. their envy is showing ;) However, there's one possibility:
SNIP
Now if you could get those to work using ppp, I have no clue. But I think it's your best bet if you want to use your ISDN connectivity on OpenBSD in 2018 (which you don't). Cheers, Paul