Ключевые слова: answer, assistance, background, black, business, call, center, centre, client, communication, computer, contact, customer, desk, device, dial, equipment, headphones, headset, help, help line, helpdesk, hotline, information, internet, job, landline, machine, marketing, message, microphone, office, operator, phone, reception, response, sale, service, space, speaker, support, system, talk, technology, telecommunication, telemarketing, telephone, telephony, voice, voip,