No "Fax Handling" section under "Inbound routing"

Hello all.

There is No “Fax Handling” section under “Inbound routing”.

only this:
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Fax Detect: yes

Detect Faxes: NoYes
Fax Detection type:
Fax Detection Time:
Fax Destination:
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Which module to install to see “Fax Handling” section?

Thanks,
Evgeney.