Ключевые слова: assistance, black, black and white, business, call, call center, caller, calling, client service, close up, closeup, communication, communications, concept, contact, contacting, copy space, customer care, customer support, dark, dialing, dialing out, direct, finger, fixedline, hand, help, home phone, information, key, keypad, keys, land line, line, long distance, lowkey, man, monochrome, number, office, phone, support, telecommunications, telephone, touch,