OSDP Module. The OSDP module is primarily designed for the 2N IP Verso and 2N IP Style intercom systems. It is also compatible with readers from the 2N Access Unit 2.0. Simply secure with 2N. 2N is a leading European company in the development and manufacturing of information and communication technology as well as security products. It is a global market leader in the field of IP intercom systems. All products meet strict international standards and are compatible with third-party systems. The 2N product lines include, among others, IP intercoms for door communication and emergency calls, as well as IP audio systems designed to make life easier and safer. In 2016, 2N was acquired by the Axis Group.