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@killyourfm @thunderbird in 2004 I think we were on 1Mbps down and 256kbps up.
Quite an upgrade from the ISDN TA or before that the 14k4 to later 56k modems.

@killyourfm @thunderbird LOL! Yes, I found the bandwidth mentioned as 1024/256 in an e-mail from December 2003.
I also found a lot of crap I had with that company, Versatel, as before that I had migrated ISDN back to the original Telco as with Versatel it had been combined in the modem/router and the manufacturer of that had made the stupid decision to implement redirecting as redirecting all numbers in the ISDN is stead of redirecting per number.
Yes, it was allowed in the ETSI standards, >2

@killyourfm @thunderbird 2) but it was definitely different from what was expected to be a "hassle free" change from a standard ISDN line as we had before where each number was redirected separately. En bloc defies the point of having separate numbers, like for the then still widely used fax.

But yes, basically that was sort of an experiment with a sort of VoIP, an extra channel for the ISDN.
The Telco later started with a similar service, "Internet and telephony" where they had a POTS line >3

@killyourfm @thunderbird 3) in an extra channel on top of the DSL.

Definitely history.....

The ISDN TA could stack the two B-channels of the ISDN to make 256kbps. I think that was actually symetrical.
The standard obviously only using one 64kbps channel for the dial-in to keep the other channel free for calls.