Using this template helps us debug your issues more effectively 
Description
Is there a mechanism to use JWT authentication to upload “unassigned” MAC Addresses to an account?
Error
The full error message or issue you are running into.
Error code: Forbidden
403 :
{“code”:2031,“message”:“Zoom Phone has not been enabled for this account.”}
Which App Type (OAuth / Chatbot / JWT / Webhook)?
JWT
Which Endpoint/s?
any endpoint which can accomplish the task.
we have tried
https://api.zoom.us/v2/phone/devices
and
https://api.zoom.us/v2/accounts/51375391/phone/devices
where 51375391 is the account id;
both have not been successful in uploading “unassigned” devices.
How To Reproduce (If applicable)
Steps to reproduce the behavior:
JSON body =
{“mac_address”:"",“display_name”:“valid mac address”, “type”:“Poly”,“model”:“vvx150”}
Screenshots (If applicable)
If applicable, add screenshots to help explain your problem.
Additional context
Add any other context about the problem here.