Setting DNS settings using a configuration profile on iOS will break the visual voicemail feature (i.e. voicemails will never appear). This bug affects all third-party DNS providers, not just dns0.eu.As far as we know, this only affects the following European cellular ISPs:
- Orange (France)
Help us fix this for everyone by asking Apple to investigate this issue. You
can easily submit a feedback via their Feedback
Assistant. As this seems to be an
ISP-specific issue, you could also reach out to your ISP directly regarding
this issue.