Check out the Rogers Wi-Fi Calling FAQs document that details all the ineligible services that may be impeading your Wi-Fi Calling onboarding.
In the FAQ you'll find the following points:
Do I need a specific device or plan to use Wi-Fi Calling?
Yes. To use Wi-Fi Calling, you will need the following:
Your compatible device must have been purchased from Rogers.
Are there any wireless service features that will not work with Wi-Fi Calling?
Customers with select features and services, including any of the following, will not have access to Wi-Fi Calling: