It’s the same as your WordPress login. Any user role having the CRM agent permission can log in to your site using the WordPress default login system. They’ll get the CRM options on the admin panel who have the CRM Agent permission.
I need one more help please:
now he is CRMAgent and in WP Abonent (Subscrieber). How can he access the CRM board? Or should he hae permission to access the admin board (not possible).