cable networks, maintenance; data transmission; image transmission, information, sound, cable transmission; information, image transmission, images, sound, satellite transmission; information, wirephoto, telephotography, images, sound, radio transmission; telecommunication, services of provision; telecommunications service, communication via cable; telecommunications service, communication via radio; telecommunications service, communication via satellite; telegraph, communication; telegraphs, services; Telephone broker; telephone, communication, telephone services, cable transmission; telephone, communication, telephone services, satellite transmission; telephone, communication, telephone services, satellite transmission; telex, communication; telex, services; VOIP, Voice Over Internet Protocol