@l8dyaj
I'm sorry to hear that you're experiencing issues with one of your phone numbers. It's possible that the phone number may have been released or there might be an issue with the configuration. To assist you further, I'll need to gather some additional information:
1. Do you recall if the phone number was set up with a specific server URL?
2. Was this phone number recently purchased, imported, or updated in any way?
3. Have you checked the main account to see if the phone number might have been moved or is listed there?
Once we have more details, we can take the appropriate steps to resolve the issue. If you have any other information that could help us track down the problem, please let me know.