Signal connection method theoretical analysis, RM OSI in relation to network telecommunication equipment cooperation. Signal system No.. 7. signal networks optimalization, operational efficiency appreciation method . Services and additional services in ISDN, ISDN and EURO ISDN programmatic and technical conception, user signaling DSS1 - E DSS1, signaling from between exchanges. Services and B ISDN, ATM networks conception. ATM networks protocol architecture, access networks in B ISDN. transition possibilities between ISDN and B ISDN. intelligent services networks model (IN), IN operation model, IN services system model. Logical and technical IN conception. IN dimensioning and overload protection. Telecommunication Management Network - TMN. TMN interface conception and application possibilities in telecommunication networks. business telecommunication networks generation principle. Q signaling.