Mustafa,
<br /> not sure if you are running in on A PRI, I assume so. if you are, then you can look at the show controller T1 0/0/0 (or whatever controller) and make sure there are 0 errors on the line. ANY errors on that line will kill a fax. on an audio call, they would sound like pops in the background.
<br />
<br />a couple things to check:
<br />as mentioned below, make sure that your PRI is the primary clock...has to be primary, any slips at all will add to the issue.
<br />verify that there are no line errors (T-1 layer issues), those will show up as CRC errors and the like.
<br />
<br />if the above are clean, then move on to the Dial Peer debugging, which I assume are the same as other sites.
<br />
<br />hope that helps.
<br />
<br />On Aug 14, 2009 8:54am, Anthony Kouloglou <akoul@dataways.gr> wrote:
<br />> Hi,
<br />>
<br />>
<br />> also check this:
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<br />>
<br />> I had similar problems and the problem was resolved when i issued the command:
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<br />>
<br />> /network-clock-select /
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<br />>
<br />>
<br />>
<br />> There were many slipped seconds before i issued this command.
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<br />>
<br />>
<br />>
<br />> Regards
<br />>
<br />>
<br />> Anthony
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<br />> Oleg Skomorokhov wrote:
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<br />> Try to set the fax rate to 9600 on the dial-peers, cisco says that some problems can occur when receiving faxes on 14000 and higher speeds using FXS, ATA, or VGWs.
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<br />> On Thu, Aug 13, 2009 at 10:41 AM, Mustafa Yadav mustafa.yadav@gmail.com mustafa.yadav@gmail.com>> wrote:
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<br />>
<br />>
<br />>
<br />>
<br />> Hi,
<br />>
<br />>
<br />>
<br />>
<br />>
<br />> We are running T37 fax in several branches.But 3 of them are getting
<br />>
<br />>
<br />> most of the fax pages corrupted.I checked the config with the others
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<br />>
<br />> Everthing seems correct.IOS is
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<br />> flash:c2800nm-advipservicesk9-mz.124-15.T9.bin and dsp is 9.4.910.
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<br />>
<br />> So the fax pages succesfully taken and I can see tiff files in the
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<br />>
<br />> mail server but mostly big chareccters and half  blank page.
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<br />>
<br />> What could be the reason?
<br />>
<br />>
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