EuroLife – Sofia (Electricity, SCS, PBX)

Interamerican – Sofia (SCS, PBX)

Municipal Bank – (22 PBXs in IP Network overall Bulgaria, more than 900 extensions, 20 IP sets in the small offices, common numbering plan, sharing of all resources, DDI on 80 ISDN BRI /2B+D/ and 2 ISDN PRI /30B+D/ to PSTN). 7 branches in Sofia, also branches in Blagoevgrad, Plovdiv, Pazardjik, Stara Zagora, Sliven, Yambol, Burgas, Varna, Dobrich, Russe, V.tarnovo, Pleven and Lovech)