ZAP2DAHDICOMPAT=true

this is usually set in amportal.conf but the distro does not allow changes to amportal.conf and I don’t see it in advanced settings. Is this value still used? Is it enabled by default and I don’t need to make any changes?

It is called Convert ZAP Settings to DAHDi. No, it is not needed in the distro. No, it is not enabled by default (it is set to False).