It definitely looks possible, but may be quite tricky to implement.
The API is here Get callRecord - Microsoft Graph v1.0 | Microsoft Learn
If the external service has a Developer API Reference/Documentation then you should be able to integrate the endpoints in Make using the generic HTTP “Make a request” module.
If the external service allows you to register webhooks, then you can create a trigger to wait for incoming webhook requests in Make using the generic Webhook “Custom webhook” module.
You can also suggest for it to be made in the Idea exchange. Don’t forget to search for it first, in case someone already suggested it!