On 27/07/2012, at 8:16 AM, Alejandro Imass <[email protected]> wrote:
> On Tue, Jul 24, 2012 at 3:54 PM, Alejandro Imass <[email protected]> wrote:
>> On Tue, Jun 12, 2012 at 4:04 PM, Alejandro Imass <[email protected]> wrote:
>> we upgraded to 1.8.13.1 and we have much the same problem although after
>> the upgrade I don't seem to find any cases where the qualify value is
>> OK (xx ms) and the IP is gone (like we had in 1.4.29) but the effect
>> is the same: the extension becomes non-reachable pretty quickly.
>>
>
Can you confirm whether you have a firewall between the phones or not? And also
using tcpdump and IAX debug what packets you are seeing
This is a network problem and something is disrupting the return packets so you
need to see where it's occurring
>From the cli use the iax2 set debug command and watch what's happening. Are
>the packets being returned? If they aren't check with tcpdump to see if they
>are at least getting to your interface
Do the same at the other end to work out whats missing
> I stand corrected. It's EXACTLY the same behavior as 1.4.29, The
> Status shows OK (XX ms) and the IP is "(null)"
>
>> IMHO this is indicating that the qualify settings are being ignored,
>
> I've been experimenting with qualifyfreqok and qualifyfreqnotok and
> just by specifiying _any_ values for these parameters it makes matters
> much worse.
>
>> and the only workaround has been lowering the re-register time to
>> sometimes as low as 3 seconds. Even though several docs say that the
>
> A re-registration every 3 seconds seems to do the trick but why can't
> qualify keep the connection alive??
>
>> qualify values can also act as a keep alive, it's not working for us
>> and I still have to reduce the register time to very low values
>> because qualifyfreqok and qualifyfreqnotok don't see to be doing
>> anything...
>>
>
> Stand corrected: they just make the problem worse.
>
>> Any clues??
>
> I get the feeling that IAX extensions are definitively not very
> popular even though most of the older concerns about IAX should be
> gone by now. We really want to support and keep investing into making
> IAX work for us but the little support we get here is really
> discouraging.
>
> Best,
>
> --
> Alejandro Imass
>
> --
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