[asterisk-users] Customer complains of noise on line I cannot reproduce.

Fons van der Beek fons.vanderbeek at 84-it.com
Wed Mar 12 10:48:59 CDT 2008


Gyboriy,
Unfortunatly adding timing=1
didn't help, there are still beeps in the conversations...........

any other ideas?


With kind regards
Fons van der Beek


Fons van der Beek schreef:
> tnx for your help Gryboriy,
>
> I've added
> timing=1 to misdn-init.conf
>
> Can i check anything to see if it's ok?
> misdn log gives no errors when loading
>
>
> Thu Mar  6 13:38:55 2008: P[ 4]  Got EVENT_FACILITY but we don't have a ch!
> Sat Mar  8 07:52:34 2008: P[ 0]  -- mISDN Channel Driver Registered --
> Sun Mar  9 11:49:46 2008: P[ 0]  -- mISDN Channel Driver Registered --
> Sun Mar  9 12:09:08 2008: P[ 0]  -- mISDN Channel Driver Registered --
>
> Shall i wait and see now what is happening? or can i do something else?
>
>
>
> Grygoriy Dobrovolskyy schreef:
>   
>> Ok lets try same way:
>> add option
>> timing=1 in misdn-init.conf
>> see what happens
>>
>> 2008/3/9, Fons van der Beek <fons.vanderbeek at 84-it.com 
>> <mailto:fons.vanderbeek at 84-it.com>>:
>>
>>     I use MiSDN
>>     so
>>
>>
>>
>>     head -n 1 /proc/zaptel/*
>>
>>     gives
>>
>>     head: cannot open `/proc/zaptel/*' for reading: No such file or
>>     directory
>>
>>
>>     Grygoriy Dobrovolskyy schreef:
>>
>>     > paste output of
>>     > head -n 1 /proc/zaptel/*
>>     >
>>
>>     > 2008/3/9, Fons van der Beek <fons.vanderbeek at 84-it.com
>>     <mailto:fons.vanderbeek at 84-it.com>
>>     > <mailto:fons.vanderbeek at 84-it.com
>>     <mailto:fons.vanderbeek at 84-it.com>>>:
>>
>>     >
>>     >     what clock?
>>     >     rxclock
>>     >     crystalclock
>>     >
>>     >
>>     >     I currently use
>>     >
>>     >     "card=1,0x4"
>>     >
>>     >
>>     >
>>     >
>>     >
>>     >
>>
>>     >     Grygoriy Dobrovolskyy schreef:
>>     >
>>     >     > Well i have installed asterisk on spare system to replace
>>     old one,
>>     >     > with new tyan motherboard, surprise came when i installed
>>     digium
>>     >     > fxs/fxo and b410 p, system unstable, random bips on start,
>>     misdn
>>     >     > module Not loading, heh, old system worked on asus p5nd2 sli
>>     >     without a
>>     >     > problem with them. There were 2 reasons why i wanted
>>     change mobo 1:
>>     >     > chipset on asus card generated too much heat, 2: i had a
>>     new 3ware
>>     >     > controller. So you never know really.
>>     >     >
>>     >     > Loud scrathing sound? sometimes a card problem, try on other
>>     >     hardware.
>>     >     >
>>     >     > Pci interrupts, also maybe sync problem (you can enable b410
>>     >     clock in
>>     >     > misdn-init.conf)
>>     >     >
>>     >     >
>>     >     > Also turn off all sound/usb/etc unused devices.
>>     >     >
>>     >     >
>>     >
>>     >     > 2008/3/8, Royce Souther <osgnuru at gmail.com
>>     <mailto:osgnuru at gmail.com>
>>
>>     >     <mailto:osgnuru at gmail.com <mailto:osgnuru at gmail.com>>
>>     <mailto:osgnuru at gmail.com <mailto:osgnuru at gmail.com>
>>
>>     >     <mailto:osgnuru at gmail.com <mailto:osgnuru at gmail.com>>>>:
>>     >
>>     >     >
>>     >     >     root at ttyp0[~]# lspci -v -s 01:07.0
>>     >     >     pcilib: Cannot open /sys/bus/pci/devices
>>     >     >     0000:01:07.0 Communication controller: Tiger Jet
>>     Network Inc.
>>     >     >     Tiger3XX Modem/ISDN interface
>>     >     >             Subsystem: Unknown device b1d9:0003
>>     >     >             Flags: bus master, medium devsel, latency 32,
>>     IRQ 10
>>     >     >             I/O ports at ac00 [size=256]
>>     >     >             Memory at fbfff000 (32-bit, non-prefetchable)
>>     [size=4K]
>>     >     >             Capabilities: [40] Power Management version 2
>>     >     >
>>     >     >     This is all I know about it. The client bought them
>>     about a
>>     >     month
>>     >     >     ago and installed them himself then asked me to setup the
>>     >     Asterisk
>>     >     >     program for him. The problem motherboard was a four
>>     year old
>>     >     >     Gigabyte with a Promise IDE controller.
>>     >     >
>>     >     >     The new motherboard that works well is an ASUS but I
>>     don't know
>>     >     >     anything else about it.
>>     >     >
>>     >     >     On Sat, Mar 8, 2008 at 9:09 AM, Steve Totaro
>>     >     >     <stotaro at totarotechnologies.com
>>     <mailto:stotaro at totarotechnologies.com>
>>     >     <mailto:stotaro at totarotechnologies.com
>>     <mailto:stotaro at totarotechnologies.com>>
>>     >
>>
>>     >     >     <mailto:stotaro at totarotechnologies.com
>>     <mailto:stotaro at totarotechnologies.com>
>>
>>     >     <mailto:stotaro at totarotechnologies.com
>>     <mailto:stotaro at totarotechnologies.com>>>> wrote:
>>     >     >
>>     >     >         Which revision of the Digium TDM400?
>>     >     >
>>     >     >         On Sat, Mar 8, 2008 at 10:24 AM, Royce Souther
>>     >
>>     >     >         <osgnuru at gmail.com <mailto:osgnuru at gmail.com>
>>     <mailto:osgnuru at gmail.com <mailto:osgnuru at gmail.com>>
>>
>>     >     <mailto:osgnuru at gmail.com <mailto:osgnuru at gmail.com>
>>     <mailto:osgnuru at gmail.com <mailto:osgnuru at gmail.com>>>> wrote:
>>     >     >         > IRQ's seem to have been the problem. Thanks Steve
>>     >     Totaro for
>>     >     >         that tip.
>>     >     >         >
>>     >     >         > The Digium cards were at the same IRQ as the IDE
>>     >     controller,
>>     >     >         I moved the
>>     >     >         > cards and hard drives to a different system and
>>     all is
>>     >     good now.
>>     >     >         >
>>     >     >         > Thanks.
>>     >     >         >
>>     >     >         >
>>     >     >         >
>>     >     >         > On Wed, Feb 27, 2008 at 12:11 PM, Steve Totaro
>>     >     >         > <stotaro at totarotechnologies.com
>>     <mailto:stotaro at totarotechnologies.com>
>>     >     <mailto:stotaro at totarotechnologies.com
>>     <mailto:stotaro at totarotechnologies.com>>
>>     >
>>
>>     >     >         <mailto:stotaro at totarotechnologies.com
>>     <mailto:stotaro at totarotechnologies.com>
>>
>>     >     <mailto:stotaro at totarotechnologies.com
>>     <mailto:stotaro at totarotechnologies.com>>>> wrote:
>>     >     >         > > Check for IRQ issues, move the card to a
>>     different slot.
>>     >     >         > >
>>     >     >         > > You could ask permission to record calls so maybe
>>     >     you can
>>     >     >         hear the
>>     >     >         > > sound yourself.
>>     >     >         > >
>>     >     >         > > I would then go ahead and swap out cards.  I
>>     have had
>>     >     >         TDM400 with bad
>>     >     >         > > modules and also bad ports on the cards
>>     themselves,
>>     >     so it
>>     >     >         could a
>>     >     >         > > hardware issue.
>>     >     >         > >
>>     >     >         > > This is what I suspect, especially if you did not
>>     >     put any
>>     >     >         surge
>>     >     >         > > suppression on your telco lines.  Usually, at
>>     least
>>     >     in my
>>     >     >         experience,
>>     >     >         > > ticks or beeps indicate IRQ, hissing or loud
>>     static
>>     >     >         indicate something
>>     >     >         > > with/on the board is bad.  ALWAYS use surge
>>     >     suppression on
>>     >     >         your lines!
>>     >     >         > >
>>     >     >         > > Thanks,
>>     >     >         > > Steve Totaro
>>     >     >         > >
>>     >     >         > >
>>     >     >         > >
>>     >     >         > >
>>     >     >         > > On Wed, Feb 27, 2008 at 11:36 AM, Royce Souther
>>     >
>>     >     >         <osgnuru at gmail.com <mailto:osgnuru at gmail.com>
>>     <mailto:osgnuru at gmail.com <mailto:osgnuru at gmail.com>>
>>
>>     >     <mailto:osgnuru at gmail.com <mailto:osgnuru at gmail.com>
>>     <mailto:osgnuru at gmail.com <mailto:osgnuru at gmail.com>>>> wrote:
>>     >     >         > > > I have setup a few Asterisk systems for
>>     customers
>>     >     using
>>     >     >         Digium TDM400
>>     >     >         > cards
>>     >     >         > > > and Aastra phones. No problems with sound
>>     quality
>>     >     at all
>>     >     >         except at this
>>     >     >         > one
>>     >     >         > > > site.
>>     >     >         > > >
>>     >     >         > > > Every time I try their system I don't hear any
>>     >     problems
>>     >     >         but they tell me
>>     >     >         > > > that it is really bad. They describe it a a loud
>>     >     >         scratching sound.
>>     >     >         > > >
>>     >     >         > > > Are there any tests that can be done to
>>     pinpoint the
>>     >     >         problem? Has anyone
>>     >     >         > > > seen this before? Are there known causes for
>>     this?
>>     >     >         > > >
>>     >     >         > > > --
>>     >     >         > > > Open Source: To innovate then create
>>     >     >         > > > Proprietary: To imitate then litigate
>>     >     >         > >
>>     >     >         > >
>>     >     >         > >
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