[asterisk-r2] Outgoing call to a PBX interface is being dropped

Isamar Maia isamar at gmail.com
Wed Feb 24 20:39:21 CST 2010


Problem solved restarting the modem and the E1-Analogic converter stuff.

Isamar


2010/2/24 Shazaum <shazaum at gmail.com>:
> in Brazil by default "operators" generate clock..
> check that the link.
>
> took me to read the mail, I am very tasksk
>
> Renato dos Santos
> renato at opens.com.br
> OpenS Tecnologia Ltda
> Rua Padre Marcelino Champagnat, 236
> Jardim Atlântico - Florianópolis - SC - Brasil
> +55 (48) 3954-8000
> http://www.opens.com.br
> shazaum.wordpress.com
>
>
>
> On 19 February 2010 11:32, Isamar Maia <isamar at gmail.com> wrote:
>>
>> Ok. The problem with calls being dropped by the PBX was solved.
>> It was really the collect-calls-drop stuff.  Great. I am happy.
>>
>> The problem now is that I am getting tons of  non-stop "Yellow Alarms"
>> filling up
>> my console.
>>
>> "[Feb 19 10:52:34] WARNING[30304] chan_dahdi.c: Detected alarm on
>> channel 22: Yellow Alarm
>> [Feb 19 10:52:34] WARNING[30303] chan_dahdi.c: Detected alarm on
>> channel 11: Yellow Alarm
>> [Feb 19 10:52:34] WARNING[30304] chan_dahdi.c: Detected alarm on
>> channel 23: Yellow Alarm
>> [Feb 19 10:52:34] WARNING[30303] chan_dahdi.c: Detected alarm on
>> channel 12: Yellow Alarm
>> [Feb 19 10:52:34] WARNING[30304] chan_dahdi.c: Detected alarm on
>> channel 24: Yellow Alarm
>> [Feb 19 10:52:34] WARNING[30303] chan_dahdi.c: Detected alarm on
>> channel 13: Yellow Alarm
>> [Feb 19 10:52:34] WARNING[30304] chan_dahdi.c: Detected alarm on
>> channel 25: Yellow Alarm
>> [Feb 19 10:52:34] WARNING[30303] chan_dahdi.c: Detected alarm on
>> channel 14: Yellow Alarm
>> [Feb 19 10:52:34] WARNING[30302] chan_dahdi.c: Detected alarm on
>> channel 1: Yellow Alarm
>> [Feb 19 10:52:34] WARNING[30329] chan_dahdi.c: Detected alarm on
>> channel 4: Yellow Alarm
>> "
>> Seems to be clock sync. I am using PSTN as time source.
>>
>> span=2,1,0,cas,hdb3
>> cas=32-46:1101
>> cas=48-52:1101
>> dchan=47
>> echocanceller=mg2,32-46,48-52
>>
>> What it can be ?
>>
>> Thanks in advance,
>>
>> Isamar
>>
>> 2010/2/19 Isamar Maia <isamar at gmail.com>:
>> > Hey Shazam!,
>> >
>> > That's the tip that Marcos, from Aligera, gave me right after I sent
>> > this message.
>> >
>> > I believe there is a big chance to be indeed the "drop-collect-call"
>> > feature the cause
>> > of this prob.
>> >
>> > Since changing this stuff at the PBX side will not be an easy thing,
>> > he suggested me
>> > to set "mfcr2_metering_pulse_timeout=1500" and check it out.
>> >
>> > I will be doing that hopefully in couple hours and after that, I get
>> > back here.
>> >
>> > Thanks for replying.
>> >
>> > Isamar
>> >
>> > P.S.: I was a big fan of Shazam in the old times:
>> > http://en.wikipedia.org/wiki/Shazam!_(TV_series)
>> > Next time, when I have a problem here, I will shout "Shazam!" :-)
>> >
>> > 2010/2/19 Shazaum <shazaum at gmail.com>:
>> >> Hey Isamer...
>> >>
>> >> the pbx has double-answer(duplo-atendimento/drop-collect-call)?
>> >>
>> >> had a similar case with "double-answer/drop-collect-call"
>> >>
>> >> Renato dos Santos
>> >> renato at opens.com.br
>> >> OpenS Tecnologia Ltda
>> >> Rua Padre Marcelino Champagnat, 236
>> >> Jardim Atlântico - Florianópolis - SC - Brasil
>> >> +55 (48) 3954-8000
>> >> http://www.opens.com.br
>> >> shazaum.wordpress.com
>> >>
>> >>
>> >>
>> >> 2010/2/19 Isamar Maia <isamar at gmail.com>
>> >>>
>> >>> Hello Folks,
>> >>>
>> >>> I have a 2E1 ports board produced by company in Brazil named Aligera
>> >>>
>> >>> I have one E1 port connected to PSTN(Embratel) and the other connected
>> >>> to
>> >>> a
>> >>> digital converter named "Intelbras IC-E1".
>> >>>
>> >>>
>> >>> http://www.intelbras.com.br/ecenter/downloads/manuais/interface_ic_e1.zip
>> >>>
>> >>> It converts 15 or 30 analog lines in one R2 trunk. It converts the
>> >>> analog trunks from the PBX to R2, connected to Asterisk.
>> >>>
>> >>> So:
>> >>> PBX <-->  IC-E1 <--> Asterisk  <--> PSTN(Embratel)
>> >>>
>> >>> I can send and receive calls through  the PSTN line and I *can*
>> >>> receive calls from the
>> >>> PBX/IC-E1 side. The problem is when I receive a call from the PSTN
>> >>> line to the PBX,
>> >>> the outbound call to the PBX is answered by the operator, I can hear
>> >>> some seconds of
>> >>> audio and then it drops.
>> >>>
>> >>> My environment is:
>> >>>
>> >>> Kernel version:  Kernel 2.6.18-164.el5PAE
>> >>> Distro: CentOS release 5.4 (Final)
>> >>> Versao do Asterisk: 1.6.2.1
>> >>> Dahdi Package used: dahdi-linux-2.1.0.3-ap400.tar.gz
>> >>> R2 lib package: openr2-1.2.0.tar.gz
>> >>>
>> >>> My setup is:
>> >>>
>> >>> DAHDI's  system.conf:
>> >>>
>> >>> # pabx
>> >>> span=1,0,0,cas,hdb3
>> >>> cas=1-15:1101
>> >>> cas=17-31:1101
>> >>>
>> >>>
>> >>> # embratel
>> >>> dchan=16
>> >>> echocanceller=mg2,1-15,17-31
>> >>>
>> >>> span=2,1,0,cas,hdb3
>> >>> cas=32-46:1101
>> >>> cas=48-52:1101
>> >>> dchan=47
>> >>> echocanceller=mg2,32-46,48-52
>> >>>
>> >>> # Global data
>> >>>
>> >>> loadzone    = br
>> >>> defaultzone    = br
>> >>>
>> >>>
>> >>>
>> >>> chan_dahdi.conf
>> >>>
>> >>> ; PBX
>> >>> [channels]
>> >>> context=from-pbx
>> >>> signalling=mfcr2
>> >>> mfcr2_variant=br
>> >>> mfcr2_get_ani_first=yes
>> >>> ; Max amount of ANI to ask for
>> >>> mfcr2_max_ani=20
>> >>> ; Max amount of DNIS to ask for
>> >>> mfcr2_max_dnis=20
>> >>> mfcr2_category=national_subscriber
>> >>> mfcr2_logdir=span1
>> >>> mfcr2_logging=all
>> >>> mfcr2_allow_collect_calls=no
>> >>> mfcr2_forced_release=no
>> >>> callerid=asreceived
>> >>> group=1
>> >>> callgroup=1
>> >>> pickupgroup=1
>> >>> channel => 1-15,17-31
>> >>>
>> >>> ; --------------------------------- PSTN
>> >>>
>> >>> context=from-pstn
>> >>> signalling=mfcr2
>> >>> mfcr2_variant=br
>> >>> mfcr2_get_ani_first=yes
>> >>> ; Max amount of ANI to ask for
>> >>> mfcr2_max_ani=20
>> >>> ; Max amount of DNIS to ask for
>> >>> mfcr2_max_dnis=20
>> >>> mfcr2_category=national_subscriber
>> >>> mfcr2_logdir=span1
>> >>> mfcr2_logging=all
>> >>> mfcr2_allow_collect_calls=no
>> >>> mfcr2_forced_release=no
>> >>> callerid=asreceived
>> >>> group=2
>> >>> callgroup=2
>> >>> pickupgroup=2
>> >>> channel => 32-46,48-52
>> >>>
>> >>>
>> >>> The only weird messages I can find in the logs are:
>> >>>
>> >>> [Feb 12 11:09:35] ERROR[31600] chan_dahdi.c: MFC/R2 protocol error on
>> >>> chan 22: Invalid CAS
>> >>> [Feb 12 11:09:35] ERROR[31600] chan_dahdi.c: Chan 23 - Protocol error.
>> >>> Reason = Invalid CAS, R2 State = Seize ACK Transmitted, MF state =
>> >>> Seize ACK Transmitted, MF Group = Backward MF init, CAS = 0x0C DNIS =
>> >>> , ANI = , MF = 0x20
>> >>>
>> >>> What it should be ?
>> >>>
>> >>> --
>> >>>
>> >>> Isamar Maia
>> >>> Brazil: 55-71-9146-8575
>> >>>            55-71-4062-8688
>> >>> 日本: +81-(0)3-4550-1212
>> >>> "In a world without walls. Who needs windows and gates?"
>> >>>
>> >>> --
>> >>> _____________________________________________________________________
>> >>> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>> >>>
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>> >>
>> >>
>> >> --
>> >> _____________________________________________________________________
>> >> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>> >>
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>> >>
>> >
>> >
>> >
>> > --
>> > Isamar Maia
>> > Brazil: 55-71-9146-8575
>> >            55-71-4062-8688
>> > 日本: +81-(0)3-4550-1212
>> > "In a world without walls. Who needs windows and gates?"
>> >
>>
>>
>>
>> --
>> Isamar Maia
>> Brazil: 55-71-9146-8575
>>            55-71-4062-8688
>> 日本: +81-(0)3-4550-1212
>> "In a world without walls. Who needs windows and gates?"
>>
>> --
>> _____________________________________________________________________
>> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>>
>> asterisk-r2 mailing list
>> To UNSUBSCRIBE or update options visit:
>>   http://lists.digium.com/mailman/listinfo/asterisk-r2
>
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>
> asterisk-r2 mailing list
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>



-- 
Isamar Maia
Brazil: 55-71-9146-8575
            55-71-4062-8688
日本: +81-(0)3-4550-1212
"In a world without walls. Who needs windows and gates?"



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