[asterisk-users] Asterisk with Internet connectivity

[Grygoriy Dobrovolskyy]

2009/2/25 Klaus Darilion <klaus.mailinglists at pernau.at>

> Hi!
>
> I have a setup with Asterisk in front of a PBX connected with ISDN to
> the PSTN and to the PBX. This Asterisk (a old 1.2 instance) is doing
> ENUM for outgoing calls and allows incoming calls per SIP.
>
> Recently the IP connectivity for this location was down the whole
> telephony was down too - not even incoming calls did work. This is
> really strange as incoming calls from PSTN are routed directly to the
> PBX without any IP needed, ISDN to ISDN.
>
> Once the IP connectivity was reestablished everything worked fine again.
>
> So I wonder what could be the reason that Asterisk blocked all the
> telephony.
>
> thanks
> klaus
>
> Asterisk is using dns resolution, when he is unable to reach dns server *
freezes, it's a know issue, this can be avoided if you point asterisk to
your local dns service (inside private network)
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