I use google voice. see screenshot Sounds like an add-on issue or security software issue. Maybe you need to allow access. If you're having issues, post screenshots and provide steps to replicate. What OS? I'll guess Windows... If windows, home or pro? If windows, are you running any security software besides MS Defender? What version of Firefox? Have you tried with Firefox in Troubleshoot Mode? https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#w_how-to-start-firefox-in-4troubleshoot-modesf5safe-modesf

windows 11 home. i dont have anything besides ms defender. im using zen browser Version 1.11.5b (64-bit). i tried opening the browser in troubleshoot mode, but calling still isnt available.

I'm not using zen browser. If you're not using Firefox, you're in the wrong place.  ;-)) I also use Waterfox and it also works for me. Zen support is here. --> https://github.com/zen-browser/desktop/issues I'm out...