Re: [hylafax-users] hylafax-4.4.4-1rhel3 and US Robotics 56 EXT faxmodem model 5631 recieve FCS error

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Konstantine,

The NSF and DIS signals (you showed a receive-side log with NSF being 
received and Robert showed a receive-side log with DIS being received) 
are both signals that are only transmitted by the fax receiver.

The only way that I can imagine a fax receiver receiving NSF or DIS 
would either be if there was a very badly delayed echo/sidetone on the 
line, or if there were another fax receiver on the same line.  In my 
experience it is almost always the latter.

Thanks,

Lee.


voznjuk konstantin wrote:
> Dear Lee,
> Sorry, but let me propose other point of view. Problem at my site and at the site of Robert Becskei appeared on different location, diferent OS, and diferent hardware and of cource cant have same strange reason like another fax on same line. I think that problem is in cammand sets for particular modem class.
>
> Best regards,
> Konstantin
>
>
> Robert Becskei <robert.becskei@xxxxxxxxxxxxxx> 
>
> 25.02.09, 18:55, "Lee Howard" <faxguy@xxxxxxxxxxxxxxxx>:
>
>   
> > Robert Becskei wrote:
> >     
> > > Feb 25 14:39:45.81: [ 1248]: RECV recv NSF (non-standard facilities)
> > > Feb 25 14:39:45.81: [ 1248]: <-- [9:AT+FRH=3\r]
> > > Feb 25 14:39:45.86: [ 1248]: --> [7:CONNECT]
> > > Feb 25 14:39:46.21: [ 1248]: --> [2:OK]
> > > Feb 25 14:39:46.21: [ 1248]: RECV recv DIS (identification signal)
> > >       
> > There is another fax device answering this same call on the same line.  
> > Turn that device off.
> > Thanks,
> > Lee.
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>
>   


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