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

Grygoriy Dobrovolskyy megahohol at gmail.com
Sat Mar 8 20:08:10 CST 2008


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2008/3/9, Fons van der Beek <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>>:
>
> >
> >     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>> 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>> 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>> 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>> 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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