Unify/Accell for Interactive: need info

[Lele Gaifax as idea's SysAdm]

I need some info about the availability and the features of this product
on the Interactive Unix 2.2.1, because I wasn't able to find any reference
here. I need also the fax number of the Unify Corp.: I have only its
address (surface mail), and (at least for Italy) it is not the fastest
method to achieve them...
thanks a lot (and in advance!) for any response
lele.
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