asterisk users - Sep 2020 - how do I run a command on "Failed to authenticate" ?

16.13.0, pjsip

I'd like to get an alert if a call fails to authenticate:

if "Failed to authenticate" then
    mail someone the source ip
endif

As I look at ami or ari, they deal with calls in channels. Is there a 
way to get failed invites or registers ?

sean

On Fri, 11 Sep 2020, sean darcy wrote:
> I'd like to get an alert if a call fails to authenticate:
>
> if "Failed to authenticate" then
>   mail someone the source ip
> endif
How about fail2ban?

-- 
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
             https://www.linkedin.com/in/steve-edwards-4244281