For my case, to be fair, Airbnb finally reactivated my listing yesterday, about 10 days after my appeal.
I called many times in the beginning 2 days. But that did not actually work, as the case is handled by a specialized team who gets little information from the support team who answers the phone.
I think what helps in my case is a well written explanation email with supporting documents including lease contract, management contract that basically prove my listing is not related to the other listing and I simply cannot use the other listing.
My suggestion for hosts who encounter similar issues is to provide all your supporting documents and explanations in writing in the initial appeal. And wait.