[Freeswitch-dev] Detecting and blocking fax calls

[Everyday User]

We receive an inordinate amount of spam fax calls to FreeSwitch that we do
not need to handle for any reason.  I came across this method,
https://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_fax_detect, to
hopefully detect and drop these calls.  Is there any danger of this method
mistaking any live calls and dropping those on accident?  Thanks in advance.
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