Ah, interesting. I saw "analog" and was expecting something more like controlling crosspoint switch ICs[1] to cross connect lots of handsets in arbitrary ways.

Ah, interesting. I saw "analog" and was expecting something more like controlling crosspoint switch ICs[1] to cross connect lots of handsets in arbitrary ways. But this is analog multiplexing, digital routing, etc. [1] https://www.microsemi.com/product-directory/signal-integrity/3579-digital-crosspoint-switches https://www.microsemi.com/product-directory/signal-integrity...