[asterisk-users] dahdi channels busy/congested

Mon Aug 15 16:56:04 CDT 2011

Hi guys,

Did you get some explanation? I'm suffering the exact issue. It could be I
need some additional dependencies than before?

Regards,

Elder

On Mon, Jul 25, 2011 at 7:59 AM, Soeren Malchow (MCon) <
soeren.malchow at mcon.net> wrote:

> Dear Shaun,
>
> First, thanks for you answer
>
> The installed dahdi driver is the latest one from the asterisk.orginstalled via APT.
>
> There is no command pri show channels. Maybe the signaling is wrong ? but I
> never had to use other signaling than pri_cpe on euroisdn.
>
> I can also install from source, I will investigate the signalling first,
> will let you know what happens
>
> Regards
> Soeren
>
>
>
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:
> asterisk-users-bounces at lists.digium.com] On Behalf Of Shaun Ruffell
> Sent: Monday, July 25, 2011 6:15 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] dahdi channels busy/congested
>
> On Mon, Jul 25, 2011 at 08:43:02AM +0000, Soeren Malchow (MCon) wrote:
> > Dear all,
> >
> > i have a problem with a system running
> >
> > - Ubuntu 10.04 ( all updates done )
> > - ii  asterisk                        1:1.8.5.0-1digium1~lucid
>  Open Source Private Branch Exchange (PBX)
> > - ii  asterisk-dahdi                  1:1.8.5.0-1digium1~lucid
>  DAHDI devices support for the Asterisk PBX
> >
> > I also use freepbx 2.9 for the configuration.
> >
> > Hardware is a Dell R410 and a Digium Wildcard
> >
> >  wcte12xp+    d161:8000 Wildcard TE121
> >
> > The status is as follows,
> > - all drivers are loaded and the E1 card shows a GREEN LED and no
> > alarms
> > - asterisk is up
> > - the provider is Bharti Airtel in India
> > - the configuration was copied from my PBX in germany and slightly
> > modified, that is a asterisk 1.4 though
> >
> > <--snip-->
> > root at pbx01]: ~/backup/asterisk # dahdi_cfg -f -t -vv DAHDI Tools
> > Version - 2.2.1
> >
> > DAHDI Version: 2.2.1
>
> This seems like an old version of the driver if the package is based on
> 1.8.5...  but I don't think that by itself is what is causing your problems.
>
> > Contents of dahdi-channels.conf
> >
> > group=0
> > context=from-pstn
> > switchtype=euroisdn
> > signalling=pri_cpe
> > group=0
> > channel => 1-15,17-31
> > context=default
> > group=63
> >
> > And no matter whether i call in or out it does not work, from
> > internally i get the following error ( parts of the phonenumbers are
> > removed )
> >
> >     -- Executing [s at macro-dialout-trunk:20] Dial("SIP/1990-00000001",
> > "DAHDI/g0/9560XXXXXX,300,") in new stack [Jul 25 14:10:31] WARNING[6121]:
> chan_dahdi.c:5098 dahdi_confmute: DAHDI confmute(0) failed on channel 1:
> Invalid argument
> >     -- Couldn't call DAHDI/g0/9560XXXXXX [Jul 25 14:10:31]
> > WARNING[6121]: chan_dahdi.c:5098 dahdi_confmute: DAHDI confmute(0)
> > failed on channel 1: Invalid argument [Jul 25 14:10:31] WARNING[6121]:
> > chan_dahdi.c:5041 restore_gains: Unable to restore gains: Invalid
> argument [Jul 25 14:10:31] WARNING[6121]: chan_dahdi.c:4724 reset_conf:
> Failed to reset conferencing on channel 1: Invalid argument
> >     -- Hungup 'DAHDI/1-1'
> >   == Everyone is busy/congested at this time (0:0/0/0)
> >     -- Executing [s at macro-dialout-trunk:21] NoOp("SIP/1990-00000001",
> "Dial failed for some reason with DIALSTATUS = CHANUNAVAIL and HANGUPCAUSE =
> 0") in new stack
> >     -- Executing [s at macro-dialout-trunk:22] Goto("SIP/1990-00000001",
> "s-CHANUNAVAIL,1") in new stack
> >     -- Goto (macro-dialout-trunk,s-CHANUNAVAIL,1)
> >     -- Executing [s-CHANUNAVAIL at macro-dialout-trunk:1]
> Set("SIP/1990-00000001", "RC=0") in new stack
> >     -- Executing [s-CHANUNAVAIL at macro-dialout-trunk:2]
> Goto("SIP/1990-00000001", "0,1") in new stack
> >     -- Goto (macro-dialout-trunk,0,1)
> >     -- Executing [0 at macro-dialout-trunk:1] Goto("SIP/1990-00000001",
> "continue,1") in new stack
> >     -- Goto (macro-dialout-trunk,continue,1)
> >     -- Executing [continue at macro-dialout-trunk:1]
> GotoIf("SIP/1990-00000001", "1?noreport") in new stack
> >     -- Goto (macro-dialout-trunk,continue,3)
> >     -- Executing [continue at macro-dialout-trunk:3]
> > NoOp("SIP/1990-00000001", "TRUNK Dial failed due to CHANUNAVAIL
> > HANGUPCAUSE: 0 - failing through to other trunks") in new stack
>
> The invalid argument results from the call to confmute *appear* to me like
> the channel was never set into AUDIOMODE, which from a quick scan of code
> would only be the case if PRI support was not enabled in chan_dahdi, and
> then that would have resulted in an error when setting the signalling to
> pri_cpe. So I'm not quite sure. My best guess is that there is some issue
> with how the package was created (especially given the old version of DAHDI
> reported with then 1.8 branch of Asterisk).
>
> Is there any DAHDI related output in 'dmesg'? What is the output of "pri
> show channels" on the asterisk command line? Are you able to install from
> source?
>
> --
> Shaun Ruffell
> Digium, Inc. | Linux Kernel Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA Check us out at:
> www.digium.com & www.asterisk.org
>
> --
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