[asterisk-users] ISDN - Busy signal on 3rd call

[Gopalakrishnan A.N]

Still I am also facing the call disconnection when there is a third call. I
am using Netmod BRI router and the output of the BRI router lines are
connected to FXO ports in Asterisk.

Where in Asterisk I am facing the call disconnection when there is a third
call..

On Tue, Sep 28, 2010 at 4:22 PM, Paulo Santos <paulo.r.santos at sapo.pt>wrote:

> Hello,
>
> Following my first mail about this issue [1], I think I know now what
> the problem is.
>
> When I have both lines being used and a third call comes in, the person
> calling doesn't get a busy tone, he gets something like line unavailable.
>
> I've been debugging mISDN and I think the reason is because asterisk is
> sending the release cause as 0.
>
>        P[ 3]  --> channel:0 mode:TE cause:0 ocause:0 rad: cad:
>
> The request from the telephone company's switch seems correct, a SETUP
> message (if 08 is Q.931, 05 is SETUP).
>
>        02 ff 03 08  01 04 05 a1  04 03 80 90
>        a3 18 01 80  6c 0b 01 83  39 31 36 33
>        39 31 37 34  32 70 03 c1  38 34
>
> I've changed misdn.conf so it sends a release cause as 17 (user busy),
> but I get the same behaviour - cause:0 ocause:0.
>
> Anyone knows how can I force asterisk to send cause 16 or 17 in this
> situation?
>
> Thanks in advance.
>
> Best regards,
> Paulo Santos
>
> misdn.conf: http://pastebin.com/FmgECqkU
> misdn debug: http://pastebin.com/Tg6wPKBD
>
> [1]
> http://www.mail-archive.com/asterisk-users@lists.digium.com/msg244330.html
>
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-- 
Thank you  with regards,
Gopalakrishnan A.N,
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