Telecommunication wiring; Consulting in the field of maintenance and repair of telecommunications network hardware, apparatus, and instruments; Installation and repair of telecommunication apparatus; Installation of telecommunications apparatus; Installation, maintenance and repair of telecommunications apparatus and instruments; Installation, maintenance and repair of telecommunications equipment; Installation, maintenance and repair of computer hardware for telecommunications systems; Maintenance and repair of telecommunications apparatus; Maintenance and repair of telecommunications networking hardware, apparatus, and instruments; Maintenance of telecommunications apparatus; Providing information relating to the repair or maintenance of telecommunication machines and apparatus; Provision of information relating to the repair or maintenance of telecommunication machines and apparatus; Repair of telecommunication machines and apparatus; Repair or maintenance of telecommunication machines and apparatus