[asterisk-users] Digium IP Phones UNREACHABLE after registration

[Hermann Wecke]

On Thu, Apr 12, 2018 at 11:43 AM, Antony Stone
<Antony.Stone at asterisk.open.source.it> wrote:
>> A few seconds after registration, the Digium phones will become
>> UNREACHABLE. Right after that, the entire VoIP network (where the
>> Digiums are located) will be also dropped - all other devices
>> (non-Digium) connected will be kicked from the asterisk box. There are
>> ObiHai, Yealink and Linksys at this location - all will be kicked.
>
> Are you by any chance running fail2ban, without the IP address of this
> location in a whitelist?

fail2ban: yes
whitelist: yes

> I'm wondering if some device is misconfigured and failing registration, which
> get spicked up by fail2ban, and the network's public IP gets blocked.

If I remove the Digium phones, after a while the other devices
(brands) will register again.

>> The server remains operational and all other users/peers (not running
>> Digium phones) are up and running.
>
> You mean, all others at other locations, right?

Yes, other locations are OK. This location will be "clogged" (or
"flooded"?) and unavailable.