In the context of a CUBE, I know that transcoding and DTMF signaling changes wil invoke DSP resources. I also assume that stream splitting for call recording applications will also use DSP's.
Are there any other CUBE configurations that will require DSP's?
I believe you covered it, transcoding, transrating, MTP and another one if you decide to use it would be hardware conferencing.
To be clear - media forking for recording does, or does not require DSPs?
I can't find anything that says it does, but also nothing that says it doesn't.