▁As c end ▁Communic ations . ▁ ▁Product s ▁ ▁In ▁ 1 9 8 8 , ▁Inter Con ▁was ▁purs uing ▁two ▁product ▁lines , ▁TCP / Connect ▁( based ▁originally ▁on ▁NC SA ▁Tel net ), ▁and ▁an ▁email ▁product . ▁Unfortunately , ▁the ▁lic ens ing ▁for ▁the ▁email ▁product ▁fell ▁through ▁in ▁negoti ations , ▁so ▁it ▁was ▁never ▁sold , ▁and ▁Inter Con ▁would ▁have ▁to ▁wait ▁a ▁few ▁more ▁years ▁( until ▁TCP / Connect ▁II ) ▁before ▁it ▁could ▁provide ▁email ▁to ▁customers . ▁ ▁TCP / Connect ▁ ▁TCP / Connect ▁was ▁Inter Con ' s ▁flags hip ▁product . ▁La unch ed ▁at ▁Mac world ▁Conference ▁& ▁Ex po ▁in ▁August ▁ 1 9 8 8 , ▁the ▁product ▁provided ▁the ▁same ▁features ▁as ▁NC SA ▁Tel net , ▁with ▁commercial ▁technical ▁support ▁as ▁its ▁only ▁significant ▁added ▁benefit . ▁This ▁was ▁to ▁change ▁rapidly ▁over ▁the ▁next ▁few ▁months , ▁and ▁by ▁October ▁of ▁that ▁year , ▁Inter Con ▁was ▁showing ▁the ▁product ▁at ▁the ▁first ▁Inter Op ▁Ex po ▁with ▁new ▁features ▁including ▁a ▁graph ical ▁F TP ▁Client ▁( one ▁of ▁the ▁first ▁on ▁the ▁Mac int osh ) ▁and ▁IBM ▁ 3 2 7 0 ▁em ulation . ▁ ▁Over ▁the ▁next ▁few ▁years , ▁Inter Con ▁added ▁more ▁terminal ▁em ulation ▁and ▁file ▁transfer ▁capabilities ▁to ▁the ▁product , ▁but ▁no ▁other ▁major ▁protocol s ▁until ▁the ▁product ▁was ▁replaced ▁with ▁a ▁significant ▁rewrite : ▁TCP / Connect ▁II