Ключевые слова: business, call, call center, center, chat, classroom, communication, complaint, computer, conference, connection, contact, copy space, course, customer, education, headphone, headset, helpdesk, home, home work, internet, keyboard, meeting, microphone, net, network, office, online classroom, online conference, online lessons, online meeting, operator, personal computer, phone, remote, remote work, school, service, support, talk, tele work, tele worker, telemarketing, telephone, text space, video call, video conference, web conferencing, work from home,