I agree with your point, but the SGI Indy had ISDN [1], was introduced in 1993 and discontinued in 1997. [1] https://en.wikipedia.org/wiki/SGI_Indy https://en.

I agree with your point, but the SGI Indy had ISDN [1], was introduced in 1993 and discontinued in 1997. [1] https://en.wikipedia.org/wiki/SGI_Indy https://en.wikipedia.org/wiki/SGI_Indy