Ключевые слова: answer, assistance, black, business, button, call, call center, center, close up, closeup, communication, company, conference, connect, connecting, connection, consultant, contact, contact us, conversation, customer service, deal, desk, device, dial, dialing, digital, equipment, help, helpdesk, keypad, landline, line, number, office, operator, phone, receiver, service, stationary, support, talk, telecom, telecommunication, telemarketing, telephone, us, voice, voip,