Ключевые слова: adviser, agent, answering, assistance, audio, background, blue, business, call, center, color, communication, consultant, customer, device, dispatcher, earphone, electronic, employee, equipment, gadget, head, headphones, headset, help, information, light, manager, marketing, microphone, modern, object, office, online, operator, phone, profession, sales, service, speaker, support, talk, technical, technology, telemarketing, top, view, voice, volume, work,