[Freeswitch-users] 183 automatically marks origination as success?

Thu Aug 20 20:52:53 MSD 2015

A bit more... if your bridging to multiple dests like this, you don't want to pass along the early media, as this could be very confusing to the users in the case of conflicting inband media.  Without ignoring early media, you could get an inband error, followed by successfully connecting to an additional dest.  This is why you would want to ignore early media and use ringback in these scenarios as Tony described.

> On Aug 20, 2015, at 12:46 PM, Anthony Minessale <anthony.minessale at gmail.com> wrote:
> 
> 
> When you are doing a complicated multi-dest originate the best practice is to set the ringback variable on the A leg to a local ring tone.
> Then as soon as any of the legs being dialed hit a 180 or 183 the A leg will hear generated ringback.
> 
> for instance
> 
> <action application="set" data="ringback=%(2000,4000,440,480)"/>
> 
> Will generate US ring 
> 
> 
> 
> On Thu, Aug 20, 2015 at 11:42 AM, Avi Marcus <avi at avimarcus.net <mailto:avi at avimarcus.net>> wrote:
> Thanks Anthony.
> 
> What happens to the user on the A leg trying to call with ignore_early_media=true - does he hear anything? Or do I need to do ignore_early_media=ring_ready?
> This wasn't clear from the wiki / confluence.
> 
> 
> Thanks,
> -Avi Marcus
> 
> On Thu, Aug 20, 2015 at 7:09 PM, Anthony Minessale <anthony.minessale at gmail.com <mailto:anthony.minessale at gmail.com>> wrote:
> The discussion was about the success of the FreeSWITCH originate function which by default returns as soon as media is possible.  That should not be confused with the success of the call leg itself.
> The originate function has many complex params to control behavior.  As many have stated ignore_early_media=true will make originate only return on an answered call.
> 
> On Thu, Aug 20, 2015 at 10:42 AM, Lawrence Conroy <lconroy at insensate.co.uk <mailto:lconroy at insensate.co.uk>> wrote:
> Hi there,
>  um ... are we talking about SIP here?
> 2xx are invite successful final responses; 3xx are transfer final responses whilst 4xx, 5xx are final errors. 1xx are temporary responses.
> Thus a 1xx followed by a 4xx (or 5xx) is not a success.
> Or have I missed something in RFC2543 or 3761?
> 
> all the best,
>   Lawrence
> 
> 
> On 20 Aug 2015, at 13:30, Ítalo Rossi <italorossib at gmail.com <mailto:italorossib at gmail.com>> wrote:
> 
> > Correct, expected. A call is considered successful when you receive media, 183 or 200. If you need to change this behavior you'll need to set ignore_early_media=true before bridging.
> >
> > If you can't ignore_early_media, you need to set hangup_after_bridge=false and do more verifications on what happened after your last bridge.
> >
> > On Thu, Aug 20, 2015 at 8:37 AM, Avi Marcus <avi at avimarcus.net <mailto:avi at avimarcus.net>> wrote:
> > I have several carriers, and I use:
> > <action application="set" data="continue_on_fail=true"/>
> > ... so I was a little surprised to see that a call that ended with NORMAL_TEMPORARY_FAILURE didn't route advance.
> > I dug into the PCAPs of this and comparable, and the only difference I noticed was that the ones that worked were invite -> 100 and then 503 NORMAL_TEMPORARY_FAILURE and the one that didn't work was invite -> 100, 183, and then 503.
> >
> > I have a lua script that told me:
> >
> > session:getVariable("originate_disposition")  = SUCCESS
> > session:getVariable("bridge_hangup_cause")  = NORMAL_TEMPORARY_FAILURE
> >
> > so... I'm guessing that a 183 marks the originate as a success which is why continue_on_fail didn't work, since it wasn't a fail.
> >
> > Is this expected? Is the carrier "doing something wrong" here?
> >
> > They did helpfully send: "SIP/2.0 503 Service Unavailable - Route Advance"
> > More importantly: how can I fix it?
> >
> > Thanks,
> >
> > -Avi Marcus
> > BestFone
> >
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> >
> >
> >
> > --
> > Ítalo Rossi
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> >
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> 
> 
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> 
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> 
> 
> -- 
> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
> 
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> 
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> 
> _________________________________________________________________________
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> 
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> 
> 
> -- 
> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
> 
> ☞ http://freeswitch.org/ <http://freeswitch.org/>  ☞ http://cluecon.com/ <http://cluecon.com/>  ☞ http://twitter.com/FreeSWITCH <http://twitter.com/FreeSWITCH>
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> 
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> 
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> _________________________________________________________________________
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> 
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