2N IP intercoms for door communication and emergency calls, IP public address systems and M2M products reflect the latest trends in the area of security. 2N is the number one on the IP intercom market, complying with the most stringent international standards (ISO, TÜV, UL, CE) and their products are compatible with third party systems (Onvif, Milestone, Cisco, Bosch, Avaya, Alcatel-Lucent and many more).