1. An application execution environment for an intelligent network, said application execution environment having a protocol layer, service logic layer and application layer, said application execution environment comprising: a service logic execution environment (SLEE) in the service logic layer, said SLEE comprising an event routing bus for routing events between service components in the service logic layer and client components in the protocol layer and application layer; at least one client component in the protocol layer, wherein said at least one client component is communicatively linked to said SLEE through a connector/wrapper interface; and, at least one telephony service component executing in said SLEE, said telephony component configured to communicate with client components in the protocol layer and other service components in the service logic layer through said event routing bus in said SLEE.