Kristijan Vrban wrote:
> Hello, i have an older fax machine from the '90s "Triumph-Adler FX6000"
> When i send a fax with T.30 TxFAX to it, TxFAX send only the first
> page and stop with:
> "Fax send not successful - result (21) No response after sending a page."
>
> Fax log with one page:
> http://callweaver.pastebin.com/m77af9a0b
>
> Fax log with eight pages:
> http://callweaver.pastebin.com/m71dd0cbc
>
> Or spandsp retry to send the same first page at lower speed 9600->7200->4800
> and then after three times sending the first page, it stops again with:
> "Fax send not successful - result (21) No response after sending a page."
>
> This is not mISDN related, because it testet the same also with
> zap(BRI) (on a *1.4 bristuffed)
> with the agx-addons an spandsp-0.0.6pre11
>
> With attrafax and TXFAX_T30 no problem at same setup.
>
> Regards,
> Kristijan
>   
I worked with Kristijan, and found a stupid bug that must have crept 
into spandsp a few months back. It affects how the end of page condition 
is encoded for fax transmission. Most machine ride over the error 
transparently, so people haven't been screaming about it. Kristijan has 
confirmed that spandsp-0.0.6pre12 clears up this issue.

Steve

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