Hi Michael,
It is my understanding that chan_sip trunks only does DNS lookups at (asterisk)
startup unless you enable ... dnsmgr.conf -> enable=yes . Possibly registers
always do DNS lookups, not certain.
As long as local DNS entries are in your hosts file (Network tab -> DNS
Forwarder & DHCP Server: { Configure DNS Hosts } it should work, I would guess.
In the old days, I recall running Asterisk 1.2 and 1.4 on single core boxes
like the PC Engines WRAP and Soekris net4801, and Asterisk DNS lookups were
blocking and could *totally* lock-up a system when the WAN connection went
down. I have not seen than behavior, personally, in quite some time.
Multi-core and dnsmasq helps.
Lonnie
On Sep 21, 2017, at 6:49 PM, Michael Knill <[email protected]>
wrote:
> Is it possible to resolve this problem E.g. if you lose your WAN (and
> therefore DNS), you can still make internal calls without the large delay?
>
> Regards
> Michael Knill
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