Computer application software for desktop computers and mobile devices, namely, software for voice and video calling, conferencing, file sharing, screen sharing, and messaging
Electrical and Scientific ApparatusElectronic messaging; Electronic, electric, and digital transmission of voice, data, images, signals, and messages; Instant messaging services; Message sending via a website; On-line services, namely, message sending; Providing voice chat services; Providing voice communication services via the Internet; Telecommunication services, namely, local and long distance transmission of voice, data, graphics and video by means of broadband optical or wireless networks; Teleconferencing and video conferencing services; Telephone voice messaging services
Telecommunications