Consultancy services relating to telecommunications; Digital network telecommunications services; Fibre optic telecommunications services; Hire of telecommunications apparatus; Hire of telecommunications installations; Operation of telecommunications apparatus; Optical fibre telecommunications services; Radio telecommunications; Satellite telecommunications services; Switching network services (telecommunications); Telecommunications routing and junction services; Telecommunications security (providing secure connections and access including to computers and a global computer network); Telecommunications services by satellite; Telecommunications services for the distribution of data