[asterisk-r2] OpenR2 vs Siemens
Alexandre Cavalcante Alencar
alexandre.alencar at gmail.com
Wed Oct 29 14:41:09 CDT 2008
Hi all,
Try all echo cancelers available and choice the best one. If you have a
digium board, try to install HPEC. There are a OSLEC that is good too (for
some cases).
Regards
On Wed, Oct 29, 2008 at 4:13 PM, Tiago Durante <tiagodurante at gmail.com>wrote:
> Thank you Alexandre, worked like a charm!
>
> Also I added the line: "echocanceller=mg2,1-15,17-31" to system.conf
> and the echo is lighter now, but still there...
>
> I'll study a little about this tag, echocanceller, to see if I can
> improve my system...
>
>
> Best regards,
>
>
> Tiago Durante
>
> On Wed, Oct 29, 2008 at 1:46 PM, Alexandre Cavalcante Alencar
> <alexandre.alencar at gmail.com> wrote:
> > Hi all,
> >
> >
> > On Tue, Oct 28, 2008 at 12:35 PM, Tiago Durante <tiagodurante at gmail.com>
> > wrote:
> >>
> >> Hi all!
> >>
> >
> > <snip>
> >
> >>
> >> All righ, lets go by steps. First I'm having this error when I start
> >> Asterisk:
> >>
> >> ERROR[32631]: codec_dahdi.c:432 find_transcoders: Failed to open
> >> /dev/dahdi/transcode: No such file or directory
> >
> >
> > You are using DAHDI and you should load the dahdi_transcode module into
> the
> > kernel. To do so, issue
> >
> > # modprobe dahdi_transcode
> > # /etc/init.d/asterisk stop
> > # /etc/init.d/asterisk start
> >
> > You must edit the /etc/dahdi/modules and add a line to make DAHDI load
> the
> > dahdi_transcode before the cards modules. Just add a line to look like
> this
> >
> > # Contains the list of modules to be loaded / unloaded by
> /etc/init.d/dahdi.
> > #
> > # NOTE: Please add/edit /etc/modprobe.d/dahdi or /etc/modprobe.conf if
> you
> > # would like to add any module parameters.
> > #
> > # Format of this file: list of modules, each in its own line.
> > # Anything after a '#' is ignore, likewise trailing and leading
> > # whitespaces and empty lines.
> >
> > # DAHDI Transcode Module
> > dahdi_transcode
> >
> > # Digium TE205P/TE207P/TE210P/TE212P: PCI dual-port T1/E1/J1
> > # Digium TE405P/TE407P/TE410P/TE412P: PCI quad-port T1/E1/J1
> > # Digium TE220: PCI-Express dual-port T1/E1/J1
> > # Digium TE420: PCI-Express quad-port T1/E1/J1
> > wct4xxp
> >
> > ....
> >
> >
> > Best regards
> >
> >>
> >> And this warning when I call a extension at Siemens:
> >>
> >> WARNING[32744]: chan_dahdi.c:1938 dahdi_enable_ec: Unable to enable
> >> echo cancellation on channel 1 (No such device)
> >>
> >> Every time I call a extension on Siemens I've some mute moments for
> >> some of the call parts. It's quick, 4 to 8 seconds, but makes
> >> impossible to talk. And the caller has echo, always. It isn't a strong
> >> echo, but still.
> >>
> >> Another thing that is happening is that I just can call 5 digits
> >> numbers at Siemens, I think its a problem with the configuration at
> >> Siemens side, I already called the company responsible for the
> >> equipment to check if there is something wrong there.
> >>
> >> I've tried a several configurations until y-day when I got it working
> >> with Asterisk 1.4.22, DAHDI 2 and libOpenR2 0.1.1 - The most strange
> >> thing is that in a first moment using Asterisk 1.6 Beta and zaptel 1.4
> >> it worked close to perfectly, lets say 97%. And now I'm having this
> >> issues.
> >>
> >> I'm used to Asterisk and analog channels. But it's my first E1 and
> >> I've to confess that I'm not an expert, so maybe I'm missing something
> >> stupid here... I've a lot of doubts, so ...
> >>
> >>
> >> ---
> >>
> >> My conf:
> >>
> >> /etc/dahdi# cat system.conf
> >> loadzone = br
> >> defaultzone =br
> >>
> >> span=1,1,0,cas,hdb3
> >> cas=1-15:1101
> >> cas=17-31:1101
> >> dchan=16
> >>
> >>
> >> ---
> >>
> >> /etc/asterisk# cat chan_dahdi.conf
> >> [trunkgroups]
> >>
> >> [channels]
> >> usecallerid=yes
> >> callwaiting=yes
> >> usecallingpres=yes
> >> callwaitingcallerid=yes
> >> threewaycalling=yes
> >> transfer=yes
> >> canpark=yes
> >> cancallforward=yes
> >> callreturn=yes
> >> echocancel=yes
> >> echocancelwhenbridged=yes
> >>
> >> signalling=mfcr2
> >> mfcr2_variant=br
> >> mfcr2_get_ani_first=no
> >> mfcr2_max_ani=20
> >> mfcr2_max_dnis=20
> >> mfcr2_category=national_subscriber
> >> mfcr2_logdir=span1
> >> mfcr2_logging=all
> >>
> >> context=in-e1
> >> group=0
> >> callgroup=0
> >> pickupgroup=0
> >> channel => 1-15
> >> channel => 17-31
> >>
> >> ---
> >>
> >> cat /proc/interrupts
> >> CPU0
> >> 0: 74 IO-APIC-edge timer
> >> 1: 2 IO-APIC-edge i8042
> >> 6: 5 IO-APIC-edge floppy
> >> 7: 0 IO-APIC-edge parport0
> >> 8: 3 IO-APIC-edge rtc
> >> 9: 0 IO-APIC-fasteoi acpi
> >> 12: 4 IO-APIC-edge i8042
> >> 14: 651656 IO-APIC-edge ide0
> >> 16: 338990 IO-APIC-fasteoi eth0
> >> 17: 68622371 IO-APIC-fasteoi wcte11xp
> >> 18: 39496 IO-APIC-fasteoi libata
> >> 19: 2 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb2
> >> 20: 0 IO-APIC-fasteoi uhci_hcd:usb3
> >> 21: 0 IO-APIC-fasteoi uhci_hcd:usb4
> >> 22: 37 IO-APIC-fasteoi uhci_hcd:usb5, Intel ICH6
> >> NMI: 0 Non-maskable interrupts
> >> LOC: 18269790 Local timer interrupts
> >> RES: 0 Rescheduling interrupts
> >> CAL: 0 function call interrupts
> >> TLB: 0 TLB shootdowns
> >> TRM: 0 Thermal event interrupts
> >> SPU: 0 Spurious interrupts
> >> ERR: 0
> >> MIS: 0
> >>
> >> ---
> >>
> >> # dahdi_speed
> >> Count: 891909
> >>
> >> # dahdi_test
> >> Opened pseudo dahdi interface, measuring accuracy...
> >> 99.973045% 99.968651% 99.972649% 99.972557% 99.972656% 99.972748%
> >> 99.972168%
> >> 99.972565% 99.971596% 99.972656% 99.973045% 99.972359% 99.972359%
> >> 99.972466% 99.972656%
> >> 99.973053% 99.971870% 99.972557%
> >> --- Results after 18 passes ---
> >> Best: 99.973 -- Worst: 99.969 -- Average: 99.972314, Difference:
> 99.972315
> >>
> >> # dahdi_scan
> >> [1]
> >> active=yes
> >> alarms=OK
> >> description=Digium Wildcard TE110P T1/E1 Card 0
> >> name=WCT1/0
> >> manufacturer=Digium
> >> devicetype=Digium Wildcard TE110P T1/E1
> >> location=PCI Bus 04 Slot 02
> >> basechan=1
> >> totchans=31
> >> irq=17
> >> type=digital-E1
> >> syncsrc=0
> >> lbo=0 db (CSU)/0-133 feet (DSX-1)
> >> coding_opts=HDB3
> >> framing_opts=CCS,CRC4
> >> coding=HDB3
> >> framing=
> >>
> >>
> >>
> >>
> >>
> >> Please, if there is any other information that you guys need just let
> >> me know that I post here.
> >>
> >> Thank you very much!
> >>
> >> regards,
> >>
> >>
> >> --
> >> Tiago Durante
> >>
> >> ,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,
> >> Perseverance is the hard work you do after you
> >> get tired of doing the hard work you already did.
> >> -- Newt Gingrich
> >>
> >> _______________________________________________
> >> --Bandwidth and Colocation Provided by http://www.api-digital.com--
> >>
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> >> http://lists.digium.com/mailman/listinfo/asterisk-r2
> >
> >
> >
> > --
> > Alexandre C Alencar (Skarmeth)
> > http://blog.alexandrealencar.net/
> > http://www.alexandrealencar.net/
> > http://people.debian-ce.org/skarmeth/
> >
> >
> > _______________________________________________
> > --Bandwidth and Colocation Provided by http://www.api-digital.com--
> >
> > asterisk-r2 mailing list
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> > http://lists.digium.com/mailman/listinfo/asterisk-r2
> >
>
>
>
> --
> Tiago Durante
>
> ,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,
> Perseverance is the hard work you do after you
> get tired of doing the hard work you already did.
> -- Newt Gingrich
>
> _______________________________________________
> --Bandwidth and Colocation Provided by http://www.api-digital.com--
>
> asterisk-r2 mailing list
> To UNSUBSCRIBE or update options visit:
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>
--
Alexandre C Alencar (Skarmeth)
http://blog.alexandrealencar.net/
http://www.alexandrealencar.net/
http://people.debian-ce.org/skarmeth/
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