I’m also trying to hide my caller ID, and I did as you said here. I’ve tried in the past as well but all I’ve ever gotten was an “all circuits are busy now” error when I call out. My VoIP provider is Telnyx. I’ve messed with the settings below but still never had any luck. From my previous experiences, I think I had to do something with a custom SIP header. I’m not sure. I’d appreciate any help.
After turning on pjsip logging, I got this error:
I tried what this post suggested, but it still didn’t work.