[Freeswitch-users] DNS resolving for REGISTER requests

Giovanni Maruzzelli gmaruzz at gmail.com
Mon Jun 24 09:21:44 UTC 2019

I believe this question  was already asked in the past in this mailing
list, and IIRC the answer was no.

You may wanto to check on the mailing list archives (in signature), because
maybe my merory is wrong.


On Mon, Jun 24, 2019 at 11:14 AM Sebastian Denz <denzs at gonicus.de> wrote:

> Hello,
> i am using FreeSWITCH as SBC to our SIP provider (Deutsche Telekom in
> germany).
> This works quite well, but ~ once in a month we are unable to do
> outbound calls.
> It turned out, that the provider changes some IPs from time to time..
> That leads to FreeSWITCH being registered to the old IP while
> INVITE-requests of new dialogs are sent to the new address. The provider
> terminates this with 403 - forbidden.
> The registration happens every 5 minutes, but FreeSWITCH does not update
> the dns cache for the target IP address. So i gets stuck in that
> situation being registered on the old IP while sending INVITEs to the
> new one..
> The only solution to that is reloading the profile or restarting
> FreeSWITCH...
> Is there an option to make FreeSWITCH asking the dns _before every_
> REGISTER? Or do you have any other suggestion on how to fix this?
> Best regards,
> Sebastian Denz
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Giovanni Maruzzelli
cell: +39 347 266 56 18
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