app integration

  1. ERROR_invalid_response_type when Trying to add Zoho CRM

    I follow these instructions for Integrating Zoho CRM with 3CX: https://www.3cx.com/docs/pbx-crm-integration-zoho/ When I complete the set up, I click "Login" from "Refresh Token" section and I get a ERROR_invalid_response_type. ZohoCRM has advised us to contact 3CX regarding this. Could you...