[asterisk-users] asterisk fails when DNS or internet fails

[Mark Deneen]

On Mon, May 30, 2011 at 2:44 AM, gincantalupo
<gincantalupo at fgasoftware.com>wrote:

> Hi,
>
> it is a known problem, one of the worst. To avoid it:
>
> - do not use urls, only ip addresses in sip.conf
>
> or put your urls inside /etc/hosts (is what I do especially sip providers
> urls)
>
> or install a dns-cache on your pbx (maybe the best solution)
>
> Giorgio
>
>
>
Even a dns cache won't help you forever.  Once the entry's TTL expires, your
cache won't be able to give you an answer until it can contact root servers
on the internet.

-M
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