Sure. The first internet connection where I worked in the 1990s was ISDN with (I think) an Ascend P50 router. Don't remember what it cost. We used the ISDN stri

Sure. The first internet connection where I worked in the 1990s was ISDN with (I think) an Ascend P50 router. Don't remember what it cost. We used the ISDN strictly for data, not also voice, which was still provided over POTS lines. Was next upgraded to a VDSL connection that ran at T1 speed, 1.544 Mbps.