Re: [hylafax-users] Failure to transmit clean ECM image data.;

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Michiel Kersjes wrote:

> On an other server we have installed Asterisk with iaxmodem and 
> hylafax for receiving faxes.
> Sometimes i get the next error "COMREC received DCN" when receiving a fax.


> Jan 22 14:03:54.72: [25489]: <-- [9:AT+FRH=3\r]
> Jan 22 14:03:55.04: [25489]: --> [7:CONNECT]
> Jan 22 14:03:56.16: [25489]: --> HDLC<5:FF C8 F2 AC A0>
> Jan 22 14:03:56.16: [25489]: --> [2:OK]
> Jan 22 14:03:56.16: [25489]: RECV recv MPS (more pages, same document)
> Jan 22 14:03:56.16: [25489]: <-- [9:AT+FRS=7\r]
> Jan 22 14:03:56.26: [25489]: --> [2:OK]
> Jan 22 14:03:56.26: [25489]: <-- [9:AT+FTH=3\r]
> Jan 22 14:03:56.37: [25489]: --> [7:CONNECT]
> Jan 22 14:03:56.37: [25489]: RECV send MCF (message confirmation)
> Jan 22 14:03:56.38: [25489]: RECV FAX (000030694): from XXXXXXXXXX, 
> page 1 in 1:23, INF, 3.85 line/mm, 2-D MR, 9600 bit/s
> Jan 22 14:03:56.38: [25489]: <-- HDLC<3:FF C8 31>
> Jan 22 14:03:57.46: [25489]: --> [2:OK]
> Jan 22 14:03:57.46: [25489]: <-- [10:AT+FRM=96\r]
> Jan 22 14:04:00.68: [25489]: --> [6:+FRH:3]
> Jan 22 14:04:00.68: [25489]: --> [7:CONNECT]
> Jan 22 14:04:01.80: [25489]: --> HDLC<5:FF C8 DF 59 6F>
> Jan 22 14:04:01.80: [25489]: --> [2:OK]
> Jan 22 14:04:01.80: [25489]: RECV recv DCN (disconnect)


At 14:03:56.16 the sender apparently thought that it had more pages to 
send after the first one.  But then after we confirmed the receipt of 
the first page the sender then sent an unexpected signal to disconnect 
instead.

Your guess will be as good as any as to why it did that.  The sender 
would most certainly know.

My guess is that either the sender pushed "Stop" on the sending fax 
machine or the fax machine wasn't able to feed page 2.

Lee.


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