AtalkBiz Solution You cannot register as a member of the Atok Biz service within the app, and it is an application provided to Atok corporate subscribers. Please log in using the ID information issued by Good Telecom. Atok Biz includes functions necessary for general companies as well as functions for professional call centers, so only the necessary functions can be used on multiple devices (Web, tablet, smartphone, IP-Phone) through cloud or built-in type. ■ Atok Biz service main functions