Re: [hylafax-users] verbose log of COMREC receipt error

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

On 2004.04.21 13:26 Hugh Esco wrote:

Not surprisingly, we're dealing with a Class 2 modem...

> Apr 21 16:19:00.39: [ 4539]: <-- [7:AT+FDR\r]
> Apr 21 16:19:01.56: [ 4539]: --> [14:+FHT:FF 13 44 ]

This is the FTT (failure to train) signal.  The receiver isn't getting 
high-speed data properly from the receiver.

> Apr 21 16:19:04.07: [ 4539]: --> [74:+FHR:FF 03 43 79 74 72 61 50 20
> 6E
> 65 65 72 47 20 61 69 67 72 6F 65 47 20 ]
> Apr 21 16:19:04.44: [ 4539]: --> [26:+FHR:FF 13 83 00 AA F8 00 ]
> Apr 21 16:19:08.57: [ 4539]: --> [14:+FHT:FF 13 44 ]

Again...

> Apr 21 16:19:11.10: [ 4539]: --> [74:+FHR:FF 03 43 79 74 72 61 50 20
> 6E
> 65 65 72 47 20 61 69 67 72 6F 65 47 20 ]
> Apr 21 16:19:11.46: [ 4539]: --> [26:+FHR:FF 13 83 00 A6 F8 00 ]
> Apr 21 16:19:15.58: [ 4539]: --> [14:+FHT:FF 13 44 ]

Again...

> Apr 21 16:19:18.11: [ 4539]: --> [74:+FHR:FF 03 43 79 74 72 61 50 20
> 6E
> 65 65 72 47 20 61 69 67 72 6F 65 47 20 ]
> Apr 21 16:19:18.48: [ 4539]: --> [26:+FHR:FF 13 83 00 AE F8 00 ]
> Apr 21 16:19:22.59: [ 4539]: --> [14:+FHT:FF 13 44 ]

Again...

> Apr 21 16:19:25.12: [ 4539]: --> [74:+FHR:FF 03 43 79 74 72 61 50 20
> 6E
> 65 65 72 47 20 61 69 67 72 6F 65 47 20 ]
> Apr 21 16:19:25.49: [ 4539]: --> [26:+FHR:FF 13 83 00 8A F8 00 ]
> Apr 21 16:19:29.10: [ 4539]: --> [14:+FHT:FF 13 44 ]

Again...

> Apr 21 16:19:31.62: [ 4539]: --> [74:+FHR:FF 03 43 79 74 72 61 50 20
> 6E
> 65 65 72 47 20 61 69 67 72 6F 65 47 20 ]
> Apr 21 16:19:31.98: [ 4539]: --> [26:+FHR:FF 13 83 00 82 F8 00 ]
> Apr 21 16:19:35.81: [ 4539]: --> [14:+FHT:FF 13 44 ]

Again...

> Apr 21 16:19:37.78: [ 4539]: --> [14:+FHR:FF 13 FB ]

The sender sends DCN (disconnect).

> Apr 21 16:19:37.78: [ 4539]: --> [8:+FHNG:72]
> Apr 21 16:19:37.78: [ 4539]: REMOTE HANGUP: COMREC error (code 72)

So the erroniously received command is "DCN" when we expected "DCS".  
This is normal in this kind of situation.  There is no protocol flaw 
here.

Try switching to Class 1, if possible.

Lee.

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