42 Design and development of telecommunications networks; Integration of telecommunications systems and networks; Technology consultation in the field of telecommunications; Technical consulting services in the fields of datacenter architecture, public and private cloud computing solutions, and evaluation and implementation of internet technology and services; Technical support services, namely, remote and on-site infrastructure management services for monitoring, administration and management of public and private cloud computing IT and application systems; providing online, non-downloadable computer software for the management and delivery of data and video content in the field of telecommunications, wireless communications, cable television, broadband and optical fiber networks; engineering and engineering services; product research and development in the field of telecommunications, wireless communications, cable television, broadband and optical fiber networks; design and engineering of telephony, cable television, wireless communication, broadband and optical fiber networks products;