Assigning a call plan

Not sure what exactly you are looking for. Would this help ? 

https://support.zoom.us/hc/en-us/articles/360001297663-Getting-started-with-Zoom-Phone-admin-

Stéphane

@jerrygbjr 

Good day.  Assuming that you hare doing manual user setup in your Zoom account and you have purchased calling plans, you can follow this support article to assign an appropriate plan to your users.

https://support.zoom.us/hc/en-us/articles/360021058071-Managing-Phone-Users#assign-licenses-existing-users

If this answers your specific questions, please take a moment to mark this as solved so that others can quickly and easily find the solutions in the future.  If you have other questions, please do not hesitate to ask!

Bill