Hi @det103
Our forum is mainly focused on the general issue of Microsoft Teams troubleshooting, the issue you provided is related to Office 365 network connectivity, which we do not support. The following suggestion is just for your reference.
Based on my research, This list is calculated by taking the median latency of your organization users at the location and subtracting the median latency for all organizations in the same city. For more details about its description, you can learn it from:
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