A communications network configuration for delivery of multimedia services comprises a packet network to which a plurality of terminal devices are connected, a service provider network for providing multimedia services to the terminal devices, a virtual circuit switched network intermediate the packet and service provider networks, and a gateway distributed over the circuit switched network. In one exemplary embodiment, a failure log is received including entries indicative of compressed test responses to chain patterns and compressed test responses to scan patterns. The insulating member includes a to-be-received portion accommodated in the electrical contact portion and a to-be-exposed portion. The glossary includes one or more terms selected from that tagged document, definitions for the terms, and aliases for the terms. The conduit is configured to have a reduced effect on the operation of the expanding element, while still allowing the conduit to be coupled to alternate flow paths of adjacent apparatus.