[Freeswitch-users] OZ question: disconnected number handling

Michael Jerris mike at jerris.com
Mon Jun 2 17:25:06 PDT 2008 

I do recall seeing a few times alerting with cause ie in it.  Do you  
see that in this case?

Mike

On Jun 2, 2008, at 6:54 PM, "Michael Collins" <mcollins at fcnetwork.com>  
wrote:

> Anthm,
>
>
>
> Thanks, that’s what I was doing wrong on the originate API – I  
> was copying and pasting into the CLI from a notepad session and I fo 
> rgot that I was setting ignore_early_media=true.  It works the way I 
>  would expect it to.
>
>
>
> Thanks,
> MC
>
>
>
> From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org 
> ] On Behalf Of Anthony Minessale
> Sent: Monday, June 02, 2008 3:26 PM
> To: freeswitch-users at lists.freeswitch.org
> Subject: Re: [Freeswitch-users] OZ question: disconnected number  
> handling
>
>
>
> when you say ignore_early_media=true you are instructing originate  
> to not return sooner.  When you omit that option it will return as  
> soon as the alerting is received.
>
>
> On Mon, Jun 2, 2008 at 5:10 PM, Michael  Collins <mcollins at fcnetwork.com 
> > wrote:
>
> Note, that was supposed to say: the only reason I can't do tone  
> detect…
>
>
>
> From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org 
> ] On Behalf Of Michael Collins
> Sent: Monday, June 02, 2008 2:59 PM
>
>
> To: freeswitch-users at lists.freeswitch.org
> Subject: Re: [Freeswitch-users] OZ question: disconnected number  
> handling
>
>
>
> Anthony,
>
>
>
> Of course, you are correct.  They are retarded, and they are sending  
> progress inband.  The only reason I can do tone detect or anything  
> like it is because the originate app doesn't finish until the  
> channel goes from PROGRESS to UP.  About the only thing I can think  
> of is to have OZ take an ALERT message with progress IE containing  
> the "I'm a retard, here's inband messaging" info and have that move  
> the channel state to UP.  Or if there's another way for the  
> originate app (or bridge app, depending on whether I'm using API or  
> not) not to get snagged on this particular scenario then I'm all ears.
>
>
>
> I'll keep looking for other goofy cases like this.  The application  
> that I'm looking at right now is essentially a "disconnected number  
> verifier" program.  I'm trying to write an auto dialer that gets fed  
> a list of phone numbers that we're pretty sure are disconnected and  
> does its best to verify that fact.  Of course, when the friggin'  
> telco sends inband progress instead of a q931 message indicating an  
> issue then we've got to play these silly games.
>
>
>
> Let me know what you think about the ALERT + PROGRESS inband = OZ  
> channel up.
>
>
>
> -MC
>
>
>
> P.S. – when dialing out via a VoIP carrier, what kinds of things hap 
> pen when a disconnected number is called?  Does the VoIP carrier als 
> o have to deal with the retardation from the telcos?  If so, how wel 
> l does it work?  Just curious if a SIP account would be good for thi 
> s kind of application…
>
>
>
> From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org 
> ] On Behalf Of Anthony Minessale
> Sent: Monday, June 02, 2008 2:00 PM
> To: freeswitch-users at lists.freeswitch.org
> Subject: Re: [Freeswitch-users] OZ question: disconnected number  
> handling
>
>
>
> they are sending inband progress like retards.
>
> they are sending progress with media then playing sit instead of  
> appropriate ISDN message.
>
> on trick you can do is try adding tone_detect app like some of the  
> fax examples but for one of the 3 sit frequencies and transfer that  
> call to hangup.
>
> On Mon, Jun 2, 2008 at 3:44 PM, Michael Collins <mcollins at fcnetwork.com 
> > wrote:
>
> Guys,
>
>
>
> I don't know if this is "normal" or not so I'm hoping you can help  
> me figure out what's up.  I've got a disconnected number that I call  
> on a PRI and the sequence goes like this:
>
>
>
> Dial number, hear ring back, see PROGRESS from telco, hear SIT and  
> "you've reached a DC'd number…", then hear fast busy for 30 seconds  
> (or so), then receive from telco that the call state is up, and then 
>  3 seconds later call is terminated.  I've PB'd the complete log her 
> e: http://pastebin.freeswitch.org/4549
>
>
>
> FYI, I tried it with both with and without ignore_early_media.  When  
> ignoring early media I just get 60 seconds of FS internal ringback  
> tone then I hear that the call failed.  When not ignoring early  
> media is when I get the SIT tone, etc. and that's also what is in pb  
> 4549.
>
>
>
> Any thoughts on how to handle a call like this?  FS doesn't consider  
> the call "connected" because telco sends us PROGRESS_MEDIA but  
> doesn't actually say that the call is "up" – at least as far as I ca 
> n tell.
>
>
>
> Thanks,
> Michael
>
>
>
>
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>
> -- 
> Anthony Minessale II
>
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>
> -- 
> Anthony Minessale II
>
> FreeSWITCH http://www.freeswitch.org/
> ClueCon http://www.cluecon.com/
>
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> MSN:anthony_minessale at hotmail.com
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