Are these two users in the same organization?
Do you mean you want user A(Teams call) call to user B's normal phones?
Is the user B's phone number from Microsoft or from third-party carrier?
If you want to send a call to a user's mobile and desk phones at the same time, you can configure call endpoints to both Teams and to a third-party Private Branch Exchange (PBX) or Session Border Controller (SBC).It needs configure direct routing. For more details about its process, you could refer to the following article：
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