C4

Providing communications networks in the fields of computer and cable networks; broadcasting, multicasting, and unicasting video or audio programs via computer and cable networks; providing cable telephony and videoconferencing services; providing telecommunications services; providing wireless computer networking services; providing converged cellular and cable telephony services; distributing video, data, and telephony services

Computer software and hardware design, engineering, and product development in the field of telephony, cable television, wireless communication, broadband and optical fiber networks; technology consultation in the field of telecommunications