Voice modem disabled with Windows 10 version 1903 or 1909.
After updating Microsoft Windows 10 to release version to 1903 or 1909, you find that your voice modem disabled. Applications that use TAPI voice functionality are no longer functioning. Audio playback and recording to the voice modem no longer work. Symptoms: Software is not detecting the modem as a compatible voice modem (voice modem disabled, […]