Yet all of these are actually valid questions because they all can have valid use cases. Just like with filesharing and email, there are actual legitimate uses for them that get overshadowed by the bad actors.
Call files are used for various things, including Wake Up Calls and reminders. So making sure the callfiles are executed as needed or ordered or by time is a valid request.
Again, while suspicious there are numerous places that use individual CallerIDs for their users. That whole Direct DID feature people like having. On top of that we already know numerous people use FreePBX to act as a “hosted voice system” so yeah, they need to ability to output multiple CallerID’s.
Again, things like Paging and other features use this exact logic. So it can be a valid request.
It’s not the individual requests that should be raising red flags it’s the concept in which those requests are done it. All three of those requests could fall under legitimate use cases.