Setting a Caller ID for a user is common in the legacy PBX world. Microsoft Teams also has the option to set Caller ID policies, before it was only available to use service number that are ported to Microsoft, using anonymous or your own personal number. In below steps i will show you how you can perform this by PowerShell. This feature is not available by the Web GUI.
Minimum version of Microsoft Teams PowerShell module: 2.
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