Hi,
Appears the problem with the large number of concurrent calls on the system has been resolved! however the disconnect cause 4 is still there!
I understand that this disconnect cause is generated from the terminting ISDN equipment, however this error only appears when the call is crossing this GK, if i send the call directly to the terminating GW we never see disconnect cause 4! but as soon as the gnugk is involved i see disconnect cause 4 passed back to to main GK that sent LRQ to the gnugk!
one other strange thing is that in the mysql cdr logs, we also dont see disconnect cause 4! so what is the main GK that sent the LRQ is seeing the causes as "4"? could this be a problem at the main GK such as mis-interpreting the code which is highly unlikely! or a communication problem between the two?
Regards Hamed Nik
From: Teodor Georgiev <tgeorgiev@xxxxxxxxx>
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Subject: Re: Too many Sockets!!
Date: Mon, 14 Mar 2005 18:03:11 +0200
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Well, that looks like something very obscure.
Since GnuGK definitely not returning that reason, you have to see what is the
source device that originates that error.
This error is given by the terminating ISDN equipment if it can not reach the
prefix/number (in example, because the area code has been changed) and a tone
has to be played to the caller (like "fast busy"), so I doubt that it is a
GnuGK fault.
On Monday 14 March 2005 17:40, hamed akhavan wrote:
> I have changed the paramters now and seems i dont get the proxychannel
> error again but something else has happened which i am puzzled about!
>
> When the calls are crossing this GK, i never see the total of concurrent
> calls to go over 25-30 anymore! But as soon as we directly send the calls
> to the GW receiving calls we go way above 2/3 T1s.
>
> Looked like something is wrong with the gnugk settings so I checked the
> statistics on the Main GK, and seems that lots of calls are getting
> disconnected with cause code 4 (Send special information tone.) which is
> relativly unusal cause code!
>
> If there is a problem, it happens when there is a larger traffic, so giving
> you the raw debug is quiet difficult!
>
> Any ideas why this would be happening? All i can think of is maybe this is
> due to GK being on windows that acts abnormal!
>
> And we are not proxying anything, in fact we are just using this GK only
> because our exising Main GK does not allow false ANI to be added, and we
> need to send false ANI to a particular network provider. So all the calls
> going to that provider must cross gnugk which puts a false ANI and routes
> the calls to that single GW.
>
> Regards
> Hamed Nik
>
> >From: "Zygmuntowicz Michal" <m.zygmuntowicz@xxxxxxx>
> >Reply-To: openh323gk-users@xxxxxxxxxxxxxxxxxxxxx
> >To: <openh323gk-users@xxxxxxxxxxxxxxxxxxxxx>
> >Subject: Re: Too many Sockets!!
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> >
> >If you don't need RTP proxy, you can leave RtpHandlerNumber=1.
> >For Windows, the only available way to scale up is to increase number
> >of signaling/rtp threads. Besides, this will give you a better message
> >throughput.
> >Also, Windows platfom handles fd_sets differently than Unix and using
> >such large fd_sets may cause more performance slowdown than spreading
> >sockets among threads.
> >
> >----- Original Message ----- From: "hamed akhavan" <hakhavan@xxxxxxxxxxx>
> >Sent: Monday, March 14, 2005 12:05 AM
> >
> >>Thanks for the reply. Any idea what the values of those parameters should
> >>be for 200 concurrent calls?
> >>
> >>I see that in the presentation it mentions
> >>"CallSignalHandlerNumber=ConcurrentCalls/10" so for example if i have 200
> >>concurrent cals the value of CallSignalHandlerNumber should be 20, how
> >>about the RtpHandlerNumber? is there a formula for that too?
> >>
> >>Also is there a pre-compiled binary with FD_SETSIZE set to 1024?
> >>
> >>Regards
> >>Hamed Nik
> >
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