Do you still have the external domain enabled? I think it routes external calls matching a specific number theme (
^(10[01][0-9])$ ) to the internal users through the pre-installed dialplan. It listens on different ports (5080/1).
Config is in sip_profiles/external.xml and dialplan/public.xml.

I see an insane amount of brute force attempts against our PBX', so if there is a way to get anywhere, you can expect
people to try it - over and over and over ... I can recommend fail2ban. :-)

Just guessing though, if I'm wrong, someone more knowledgeable will probably chime in. :)

On 22.12.2014 19:16, Lloyd Aloysius wrote:
> Hi All
>
> I have a  multi domain setup. We receive calls from unknown extensions (eg: 100 , 101,1000,1007 etc ).But there is no
>  voice in it.
>
> We do not have any default extensions in the system and all default extensions removed from the system.
>
> Users are authenticated by alphanumeric (like an email username) Eg: mike@mydomain.com and passwords are very
> complicated.
>
> How someone can call a user without authentication from these extensions?
>
> Please let me know how to solve this issue.
>
> Thanks Lloyd
>
>
>
>
>

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