Once you have verified the mandatory requirements to integrate with Instagram, you can now proceed to connect your Instagram account to Callbell.
Go to Settings> Integrations and then click on Connect and select the Instagram page you want to integrate and, subsequently, the Facebook page to which you connected the Instagram page, as in the screenshots below.
Then provide all the authorizations required in the next step:
Once these steps have been completed, you will start receiving messages from your Instagram Direct account directly on your Callbell account.