Setup Instructions:

Enter your Client ID and Client Secret from the RingCentral Developer Console.
Click Test Connection to verify connectivity.
Click Connect (OAuth) to authorize with your RingCentral account.
Add these redirect URIs to your RingCentral app:
- {your-odoo-url}/ringcentral/oauth
- https://apps.ringcentral.com/integration/ringcentral-embeddable/latest/redirect.html