It would be a big step in tech stack of a typical dialler to add this. It's not ...

viraptor on Dec 30, 2021 | parent | context | favorite | on: Report to Congress: Robocalls and Transmission of ...

It would be a big step in tech stack of a typical dialler to add this. It's not hard, but requires a bit of effort up front. Unfortunately, as soon as it's done, it will be sold as a service.