This sub-class includes: •operating, maintaining or providing access to facilities for the transmission of voice, data, text, sound and/or video using wired, wireless or satellite telecommunications infrastructure, including: -operating and/or maintaining switching and/or transmission facilities to provide point-to-point -communications via landlines, microwave or a combination of landlines and satellite linkups -operating of cable distribution systems (e.g., for distribution of data and/or television signals) -furnishing telegraph and/or other non-vocal communications using own facilities -maintaining and/or operating mobile cellular and/or other wireless telecommunications networks •purchasing access and/or network capacity from owners and/or operators of networks and/or providing telecommunications services using this capacity to businesses and/or households •fixed lines services (including local/international PSTN and/or leased circuit) •delivery of visual, aural or textual programming received from cable networks, local television stations or radio networks to consumers via direct-to-home satellite systems (The units classified here do not generally originate programming material.) •provision of Internet access by the operator of the infrastructure •provision of Voice Over Internet Protocol (VOIP) services by the operator of the infrastructure The transmission facilities that carry out these activities may be based on a single technology or a combination of technologies.