[Freeswitch-users] Monitoring Phone Endpoint Deregistration/Losing Connection

[Avi Marcus]

If the ping times out, then the fact that it's registered isn't very
helpful -- the endpoint isn't actually reachable.
I'll have to figure out what threshold to actually ACT on the timeouts,
though. I tried unregister-on-options-fail in the past and that resulted in
the following: endpoints lost 'net access for a moment, but since expiry
was 1 hour, it didn't realize it needed to re-register for an hour...

-Avi


On Mon, Mar 4, 2013 at 4:11 PM, Michael Jerris <mike at jerris.com> wrote:

> Why would you want an event on every timeout if it already re-registered?
>
> On Mar 2, 2013, at 6:47 PM, Avi Marcus <avi at avimarcus.net> wrote:
>
> OK well that's weird.. in the code base: git
> grep mark-dead-on-options-fail =>nothing.
>
> I found the other similar occurrence, unregister - it gets triggered in
> src/mod/endpoints/mod_sofia/sofia.c , line 4769 in head.
> } else if (sofia_test_pflag(profile, PFLAG_UNREG_OPTIONS_FAIL)
>
> I think some code needs to be reworked there to trigger an event even if
> the unregister flag isn't set.
> I'll have more time tomorrow to take a look and see if I have any clue
> what I'm doing.
>
>
> -Avi
>
>
> On Sun, Mar 3, 2013 at 12:48 AM, Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
>> look in the code to see if it fires an event when that happens or add one
>> if not and submit a patch.
>>
>>
>>
>> On Sat, Mar 2, 2013 at 12:08 PM, Avi Marcus <avi at avimarcus.net> wrote:
>>
>>> Hmm Michael, that's right, it's not actually an unregister.. I want
>>> sofia::expire which does seem to work - yey!
>>>
>>> So now the question is how can I be notified even earlier, e.g. if sip
>>> options pinging isn't working?
>>>
>>> -Avi
>>>
>>> On Fri, Mar 1, 2013 at 5:44 PM, Michael Jerris <mike at jerris.com> wrote:
>>>
>>>> If you waited for it to expire, it would have been re-registered, then
>>>> you unplugged it, not giving it a chance to unregister?
>>>>
>>>> On Feb 28, 2013, at 8:23 PM, Avi Marcus <avi at avimarcus.net> wrote:
>>>>
>>>> Yeah, I'll have to try on a quiet test system.
>>>>
>>>> You should know me better than that ;) I didn't just unplug a box... I
>>>> waited until it expired in just 300 seconds, then unplugged it, then took a
>>>> break -- when I came back, I saw it was no longer in the reg list but there
>>>> was no event that was caught.
>>>>
>>>> -Avi
>>>>
>>>> On Fri, Mar 1, 2013 at 3:08 AM, Michael Collins <msc at freeswitch.org>wrote:
>>>>
>>>>> Avi,
>>>>>
>>>>> Thanks for digging into this. I suspect that it is really a thankless
>>>>> task. First thing I'd suggest is that you get FS running on a laptop or
>>>>> some old sandbox system and put just a single phone on it so that you can
>>>>> more easily focus on the relevant events. Second, if you just unplug a
>>>>> phone then there's no way it can send an "unregister" REGISTER message. (I
>>>>> believe that an "unregister" is really just a REGISTER with expires time of
>>>>> zero.)
>>>>>
>>>>> I would have suspected that mark-dead-on-options-fail would have
>>>>> kicked in when the unplugged phone didn't respond. Without the detailed
>>>>> event logs it will be difficult to see what's going on, hence the
>>>>> recommendation for a simple test server.
>>>>>
>>>>> If anyone else has been through this exercise we'd appreciate hearing
>>>>> from them.
>>>>>
>>>>
>>>>
>
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