Re: [hylafax-users] T.30 T2 timeout, expected signal not received

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Manuele wrote:

> ott 28 12:09:31.51: [25431]: <-- [9:AT+FTH=3\r]
> ott 28 12:10:01.50: [25431]: MODEM <Timeout>
> ott 28 12:10:01.50: [25431]: RECV FAX: Failure to raise V.21 
> transmission carrier.
> ott 28 12:10:01.51: [25431]: <-- [9:AT+FTH=3\r]
> ott 28 12:10:01.51: [25431]: RECV FAX (000000025): 
> recvq/fax000000024.tif from <UNSPECIFIED>, route to <unspecified>, 12 
> pages in 3:06
> ott 28 12:10:01.64: [25431]: --> [8:AT+FTH=3]


The modem reset itself in mid-flight.  Must be a USR...

> The message "Failure to raise V.21 transmission carrier." came with 
> the new version of hylafax (as you suggest to install).
> I have an US Robotics Modem/FAX 56K External. 


It is!  It is a USR.  :-)

Some of these kinds of errors will be normal when using USR modems.  My 
guess is that the modem also goes on-hook during the process of 
resetting itself, meaning that it's irrecoverable.  If it doesn't go 
on-hook, then maybe there's an opportunity for a workaround.

Lee.


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