1999-12-20 Tele2 AB Sweden extend TCS with more users and dialers. 1999-10-19 Elisa will install dialers on all their switches. 1999-09-29 Tele1 Europe AB (now Song Network) order TCS. 1999-08-09 Telenordia AB order the TCS system as a multipurpose test call system. 1999-06-07 Telia Finland Oy order a TCS system. 1999-01-22 Tele2 AB Sweden order the TCS system. 
