9 Computer software and hardware for telephony systems, for computer networking, for use in network architectures, for use in interfacing and integration of a telephony system, computer system and telecommunications systems, for performing telephony switching, for providing telephony services for telecommunications networks and network switches, for computer and telecommunications systems integration, for call management, for the diagnosis of hardware, network and systems faults; computer software and hardware for marketing, business planning, business administration, product development, public relations, market research and business development; telecommunications software and hardware for transmission, switching, reception and processing of voice calls; telecommunications equipment, namely, computers and computer networking hardware and computer peripheral apparatus for the management of telephone calls, including mobile telephone and landline telephone calls; telephone switching and call management apparatus, installations and systems, namely, telecommunications networking hardware in the nature of devices for transporting and aggregating data and voice communications across multiple network infrastructures and communications protocols and telecommunication network exchange; transmission and switching equipment, namely, automatic telephone exchanges, automatic switching apparatus for telecommunications; mobile and landline telephone systems and installations comprising computer hardware, telecommunications software, automatic switching apparatus for telecommunications, network switches, automatic telephone exchanges and computer peripheral apparatus; computer software and hardware for performing telephony switching and providing telephony services for telecommunications networks and network switches; telephone exchanges; interface for electronic communications network services providers, namely, interfaces for computers, parts, fittings, accessories and peripherals for the aforesaid, namely, telecommunications networking hardware in the nature of devices for transporting and aggregating data and voice communications across multiple network infrastructures and communications protocols and telecommunication network exchange, transmission and switching equipment, namely, automatic telephone exchanges, automatic switching apparatus for telecommunications; computer software and hardware for performing telephony switching and providing telephony services for telecommunications networks and network switches; structural parts, structural fittings, structural accessories and structural peripherals for the aforesaid