Teams wrong number shown in Italy

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Hello Teams Community,

Please i need your help on this issue.

Our Italian colleagues have an issue with Teams telephony.

Domestic calls (Italy to Italy) are showing to the recipient's phone a wrong number. But international calls from France are very okay (Italy to other countries).

We have checked the Teams voice configuration, everything is fine (calling policies, caller ID policies, etc...)

The issue happened around middle of February 2022, before this date we did not have this issue.

Our Microsoft Partner (Exakis Nelite) recommend to create an incident to Microsoft. They think there is a wrong configuration in the SBC.

I dont know if anyone has an idea about this.

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