White-label means it allows you to enter Cname & resell WiserNotify service to your client under your brand name.
What is C-NAME?
Cname URL is where your sub-users( Agency clients) will do login & use WiserNotify services.
Cname option allows you to load the WiserNotify dashboard on your domain/sub-domain, so whenever your sub-user will do login into the dashboard, You can show them your logo & your brand name in the dashboard.