We cannot provide support for Twilio or 360dialog configuration, including all related issues.
We cannot provide support in getting your WhatsApp account or WhatsApp message template approved.
WhatsApp conversations and messages are compatible with routing and queue.
If you are testing with the sandbox and after 72 hours you can no longer send messages to your phone number you must link again your phone number to your sandbox.
If you send chips, buttons or select rich messages, with more than 3 options, you can use the whatsapp="Your menu text" shortcode attribute to set the text of the WhatsApp message menu.