Ok so this thing is literally just a phone to USB audio adapter so it's utterly distressingly easy to grab the audio, so now I just need to figure out Asterisk, I'm sure this will be easy
(Matthew died on his way to understanding Asterisk)
@mjg59 while you're wrangling asterisk, you could always merge it into ASL3 as an alternative to https://allstarlink.github.io/adv-topics/usbinterfaces/#usb-interface-ic-support <ducks and runs>