is there static on the line?? is there timing slips and crc4 errors? are they increasing throughout the day? are you getting timing slips during the day when users are using the phones and not off-peak hours? are you getting hdlc abort erros when you hear a static noises??
is the card sharing irq? is your system plugged directly into an outlet without ups? On Fri, Nov 2, 2012 at 8:40 PM, Edwin Lam <[email protected]>wrote: > hi folks. > > recently some of our customers complained about bad voice > quality on the phone system. i looked at the logs and found > a lot of these: > > [2012-11-03 08:26:38] NOTICE[11305] chan_dahdi.c: PRI got event: HDLC > Abort (6) on D-channel of span 1 > [2012-11-03 08:26:45] NOTICE[11305] chan_dahdi.c: PRI got event: HDLC > Abort (6) on D-channel of span 1 > [2012-11-03 08:26:54] NOTICE[11305] chan_dahdi.c: PRI got event: HDLC > Abort (6) on D-channel of span 1 > > i upgraded Asterisk/dahdi/libpri. tried turn on/off echo canceller etc. > nothing seems to help. call the phone company to check out the line > (which they said it's working fine) > > any idea? do i have a hardware issue here? i've check syslog > there was no dahdi errors. > > here's my system.conf: > span=1,1,0,esf,b8zs > bchan=1-23 > dchan=24 > span=2,0,0,esf,b8zs > bchan=25-47 > dchan=48 > span=3,0,0,esf,b8zs > bchan=49-71 > dchan=72 > span=4,0,0,esf,b8zs > bchan=73-95 > dchan=96 > > and here's my chan_dahdi.conf: > [channels] > switchtype=national > pridialplan=unknown > prilocaldialplan=unknown > internationalprefix = 001 > nationalprefix = > unknownprefix = > signalling=pri_cpe > usecallerid=yes > usecallingpres=yes > echocancel=no > echocancelwhenbridged=no > group=1 > callgroup=1 > pickupgroup=1 > faxdetect=incoming > context=defaultspan1 > channel => 1-23 > > > -- > Edwin Lam <[email protected]> > Systems Engineer, OfficeWyze, Inc. > Ph: +1 415 439 4988 Fax: +1 415 283 3370 > http://pgpkeys.mit.edu:11371/**pks/lookup?op=get&search=**0xD6506D20<http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0xD6506D20> > > > -- > ______________________________**______________________________**_________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/**mailman/listinfo/asterisk-**users<http://lists.digium.com/mailman/listinfo/asterisk-users> >
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