Ключевые слова: business, call, communication, computer, concept, connection, contact, content, data, design, device, digital, equipment, global, hand, handset, illustration, information, internet, ip, laptop, link, marketing, media, microphone, mobile, network, office, online, over, phone, protocol, receiver, seo, server, service, software, support, technology, telecommunication, telephone, telephony, text, voice, voip, web, wireless, word, world, www,