Dial Q2 content in 1991

"[...]In the first 18 month period since they started operation, a commercial business information service, "Dial Q2", which at first provided sports results, advertisements and medical guidance, in 1991 switched more than one-fourth of its lines to telephone sex services [...]"
[source: Pornography, Rape, and Sex Crimes in Japan (paper by Milton Diamond and Ayako Uchiyama, University of Hawaii, in the International Journal of Law and Psychiatry 22(1): 1-22. 1999)]

Now I just wonder, *what* exactly Subaru-kun exorcised in "Call.A and B"... ;-)