[Freeswitch-users] ESL: not bein able to determine when SIP gateway is down when originating a call

[Bill W.]

Thanks for your input guys.

Since I'm not a programmer, patching sofia is out of the question.  I'd
do more harm than good.

I haven't had a chance yet to look at all the events after I originate
to a dead gateway to find an elegant solution.   My hack is to look for
a CHANNEL_CALLSTATE event with Channel-Call-State = RINGING.   If that
doesn't occur, then I assume the call has failed.

I did see INVALID_NUMBER_FORMAT in the cli but I didn't notice it in the
events.  I'll grep for it though to make sure.

Thanks,
Bill



On 8/2/11 2:02 AM, Peter Olsson wrote:
> In this case there should at least be a BACKGROUND_JOB event with the result from originate (INVALID_NUMBER_FORMAT) - are you monitoring these events? If you want a specific event fired for "gateway down" you will have to create a patch for this.
> 
> /Peter
> ________________________________________
> Från: freeswitch-users-bounces at lists.freeswitch.org [freeswitch-users-bounces at lists.freeswitch.org] för Anthony Minessale [anthony.minessale at gmail.com]
> Skickat: den 2 augusti 2011 06:59
> Till: FreeSWITCH Users Help
> Ämne: Re: [Freeswitch-users] ESL: not bein able to determine when SIP gateway is down when originating a call
> 
> make a patch to add a new custom sofia event and fire it
> 
> 
> On Mon, Aug 1, 2011 at 11:38 PM, Bill W. <freeswitch at aastral.net> wrote:
>> Hey Anton,
>>
>> I'm running in to this same issue.  Did you ever find a result?
>>
>> Thanks,
>> Bill
>>
>> On 5/14/11 1:17 PM, Anton VG wrote:
>>> I'm trying to catch an error, in case I would dial wrong (non
>>> existent) gateway (intentionally!)
>>>
>>> I'm running ESL outbound listener, subscribing to all events,
>>> if I do bgapi 'originate' to a live gateway - there are normal events
>>> flow, and I
>>> can track what is happening.
>>> But if I issue originate to a gateway, which is not configured or
>>> simply down - there
>>> are no any events fired.
>>>
>>> I only have an error on FS console
>>>
>>> 2011-05-14 20:58:13.072927 [ERR] mod_sofia.c:4044 Invalid Gateway
>>> following by
>>> 2011-05-14 20:58:13.072927 [ERR] switch_ivr_originate.c:2447 Cannot
>>> create outgoing channel of type [sofia] cause: [INVALID_NUMBER_FORMAT]
>>>
>>> But HOW to catch the given in ESL?
>>>
>>> sofia.c seems just does not have event code for that cases
>>>
>>> if (profile_name && !profile_found) {
>>> switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "No Such
>>> Profile '%s'\n", profile_name);
>>>> status = SWITCH_STATUS_FALSE;
>>> }
>>>
>>> logically there should be a proper way to determine that gateway is bad in my
>>> ESL dialplan, by catching the proper event/reply/whatever,
>>> For the moment i did trick: esl.api('sofia status gateway
>>> GatewayWhichIsDown')
>>>
>>> When in production, and there is more than a single route, there will
>>> be plenty of cases, when you dial a bad gateway, so there should be a
>>> way for ESL dialplan to determine that a gateway is not callable for a
>>> moment, the reason WHY and  to retry with another one.
>>>
>>> The trick above is bad, since:
>>> 1. blocking api query, before evey single gateway call attempt.
>>> 2. Gateway maybe known in UP state, but the state is stale, in dial in
>>> fact will go to DOWN gateway. So, ESL dialplan will screw in that case
>>>
>>> Any clue?
>>>
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> 
> 
> 
> --
> Anthony Minessale II
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