Hi @mjltthompson.
Welcome to the forums and thanks for your first post, we're happy to have you with us 🙂
I'm so sorry to hear you're having some issues with your dial tone, I can appreciate this is frustrating and we apologise for any inconvenience caused.
Were the team able to advise what the issue was due to?
Are there any known faults listed here that could explain this?
Thanks,