[asterisk-users] qualify=yes

[Pavel Jezek]

Julian J. M. wrote:
> FYI, the interval at which the device is checked is 60seconds when OK,
> and 10s when not OK.
>
> It can be changed in channels/chan_sip.c. Look for this lines:
>
> #define DEFAULT_FREQ_OK         60 * 1000       /* How often to check
> for the host to be up */
> #define DEFAULT_FREQ_NOTOK      10 * 1000       /* How often to check,
> if the host is down... */
>
>
> If the device (hard or softphone) doesn't support keepalives and the
> nat router has a short timeout (less than 60s), even when qualify=yes,
> the nat mapping will timeout, thus being unable to receive calls. In
> this case, you can lower that 60 to a value slightly lower than the
> router timeout.
>
> Julian J. M.
>

yes, but bad efect of this is, that this increase qualify check for all 
devices, it should be configurable in per device basis, for eg. make new 
option "qualifycheck=" in sip.conf
PJ


>
>
> On 11/22/06, Pavel Jezek <pavel.jezek at i.cz> wrote:
>> qualify=xxx in sip means, consider peer as OK if delay reply is bellow
>> xxx (ms)
>> qualify checks (POKE) is every 60s (and is not configurable in sip.conf)
>>
>> qualify setting in iax.conf is working differently, this is how
>> frequently to check peer (and is not possible to set some POKE delay
>> threshlold as working qualify in sip)
>>
>> this is quite misleading and inconsistent and should be improved ;-)
>> PJ
>>
>>
>>
>> Vicky wrote:
>> > I doubt that . I think qualify=500 means asterisk checks every 500 ms
>> > if the
>> > other extension is available or not . Because when qualify=( value in
>> > ms )
>> > is set and you do a sip show peers in console asterisk whos how much
>> > latency
>> > is there between extension and asterisk . If i set qualify = no 
>> then it
>> > shows UNKNOWN . If i set qualify=10 then it doesnt mean asterisk shows
>> > extension lagged if latency is less than 10 ms ... It just checks
>> > every 10
>> > ms for extension . I am not very sure though :)
>> >
>> > On 22/11/06, Eric ManxPower Wieling <eric at fnords.org> wrote:
>> >>
>> >> Enrico Pasqualotto wrote:
>> >> > Enrico Pasqualotto wrote:
>> >> >> hi all, how can I set the interval in second from retrasmit the 
>> magic
>> >> >> packets when qualify is set to on?
>> >> > You have to set qualify=second instead of qualify=yes|no.
>> >>
>> >> This is WRONG.  qualify=500 means "consider this device lagged if
>> >> responses take longer than 500ms"  I don't know if you can set the
>> >> frequency of qualify packets.  If you can, I assume the option 
>> would be
>> >> listed in sip.conf.sample.
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