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 mail and messaging services; Electronic 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