[ih] X.25

[Clem Cole]

below

On Thu, Oct 2, 2025 at 1:50 PM John R. Levine via Internet-history <
internet-history at elists.isoc.org> wrote:

> That makes sense.  In the U.S. a great deal of uucp traffic was routed
> through Bell Labs which could sort of ignore its phone bills, and much of
> the rest in local clusters that were free or at least untimed phone calls.
>
Inside AT&T, it was estimated that for every one phone call INHP4 made, it
created at least 10 long-distance calls downstream.  Inside DEC, decvax's
bill was hidden in the way DEC conducted its accounting — the groups were
taxed for the total "building cost" for each site, based on the amount of
real estate each group had.  So, its phone was swallowed up in site costs,
heat, and cooling for MK and just part of doing business with AT&T — DEC's
largest customer at the time.  Then, later, as part of the ZK, when the
Ultrix group was formed.