According to our research, there are several possible reasons why an outgoing call may show up as spam:
- A call recipient manually blocks your number using a call blocking app.
- Carriers identify that you have been making too many outbound calls that match spam profiles.
- One of your numbers was erroneously flagged.
Meanwhile, there are a few possible solutions that you can try:
- Changing the phone number used to call leads throughout the day can help keep them below the carrier’s call threshold and reduce the chances of recipients tagging a specific number.
- you can try disabling spam filtering using the command
Set-CsTeamsCallingPolicy -Identity Global -SpamFilteringEnabledType "Disabled"
. - This issue may need to be investigated from backend. Please consider creating a service request in Microsoft 365 admin center to involve support.
Hope the above information is helpful for you!
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