FaceTime cannot place calls anymore - Call Failed

Recently, FaceTime stopped being able to place calls from my Sierra 12.0 installation from an iPhone running iOS 13 beta. I can receive calls and talk, and iMessage works pristinely.

Things I have and tried:

  • The serial/model id are fine

  • The PC in question uses an Intel processor, so this is not an AMD issue

  • I've tried logging out and back into iCloud, Facetime, and turning Facetime off and back on on iPhone

  • Continuity works for the most part. iMessage, AirDrop, PC to iPhone handoff, incoming calls all work fine

  • The hardware is also right. DW1520, Broadcom BT, both devices on the same 5Ghz network (as evidenced by continuity working)

  • I've also tried deleting all folders relating to FaceTime in my Library folder

  • Placing calls on a real Mac running Mojave works properly

Any ideas on what might be causing this or what else I can try? I was able to place calls just a week ago.

submitted by /u/amsterdam_pro
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