Ключевые слова: background, black, blur, business, call, center, centre, closeup, communication, company, conference, connect, contact, customer, desk, device, dial, display, finance, global, handset, helpdesk, helpline, image, internet, keypad, landline, line, modern, network, number, office, operation, operator, phone, receiver, reception, representative, service, speaker, support, system, technology, telecom, telephone, telephony, us, voip, work,