I tried a few different experiments, and about all I could come up with is to have the faxes sent to a user (or a dummy user), someone logs in as that user, downloads the faxes, and emails them as attachments to the email address for an ACD queue.
So, nothing built-in.
------------------------------
George Ganahl GCP (PureCloud) ICCE
Principal Technology Consultant
Genesys
------------------------------