Services in B ISDN. ATM principle theoretic analysis and ATM cells linking. ATM networks protocol architecture. ATM networks referential model single layer function analysis. Signaling in ATM networks. Control procedure in ATM networks, network components, ATM cells transmission quality rating. Multimedia transmission in ATM networks. ATM networks utilization for Connectionless service type. Multicomponent informative flow simulation methods. statistical multiplexer theoretic analysis in ATM networks. Access networks in B ISDN. Control telecommunication network (TMN) in B ISDN. ATM communication node, its technical and programmatic structure. ATM connect field operational quality theoretic analysis.