AT+FCLASS=2.0 error?

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Hi,

Philip Motteli wrote:
> I installed mgetty and after a lot of digging around, I now finally receive 
> already a real e-mail from mgetty, when it tries to receive a fax:
> 
> An incoming fax transmission failed (+FHNG: -6):

*From the log file, you can see that it started FAX transmission, and
immediately failed -- this modem appears to be *really* cheap (no proper
ATI code, no proper "FAX" or "+FCON" message sent to the host).

I think the best thing to do with this modem might be to throw it out of
the next window.

[..]
> Can anybody tell me, what +FHNG -6 means and what I could do against it? I 

It's an internal error, meaning "something went completely wrong, in an
unexpected way".

> I use OpenStep 4.1 with an E-Tech Bullet E288MX modem.

E-Tech Bullet modems are *known* to be *junk*.

> 05/11 22:52:16 dfa CND: ATS0=0Q0&D3&C1[0d][0a]OK ** found **
> 05/11 22:52:16 dfa mdm_send: 'ATI'
> 05/11 22:52:16 dfa got:ATI[0d]
> 05/11 22:52:16 dfa got:[0d][0a]External V.34 28800 + Class 1 & 2 FAX/MODEM[0d]

This should be something numerically... or *at least* something that
*identifies* this type of modem.

> 05/11 22:52:16 dfa mdm_send: 'AT+FCLASS=2.0'
> 05/11 22:52:16 dfa got:[0a]AT+FCLASS=2.0[0d]
> 05/11 22:52:16 dfa mdm_command: string 'AT+FCLASS=2.0'
> 05/11 22:52:16 dfa got:[0d][0a]ERROR[0d]
> 05/11 22:52:16 dfa mdm_command: string 'ERROR' -> ERROR
> 05/11 22:52:16 dfa mdm_send: 'AT+FCLASS=2'
> 05/11 22:52:16 dfa got:[0a]AT+FCLASS=2[0d]

This is ok - it means "we tried class 2.0, it doesn't work, so try class 2
next".

> 05/11 22:52:39 dfa CND: OK[0a]RING ** found **
> 05/11 22:52:39 dfa send: ATA[0d]
> 05/11 22:52:39 dfa waiting for ``CONNECT''

Fine so far...

> 05/11 22:52:39 dfa got: ATA[0d]
> 05/11 22:52:39 dfa CND: RINGATA[0d][0a]+FHNG:
> 05/11 22:53:38 dfa found action string: ``+FHNG:''
> 05/11 22:53:38 ##### failed A_FAIL dev=cudfa, pid=221, caller=none, conn='', 
> name=''

Then the modem just aborted negotiation with a fax error code (+FHNG), 
without even *telling* the host that it went to fax mode... mgetty doesn't
really expect this, so it will give a negative error number.

gert

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Gert Doering - Munich, Germany      gert@greenie.muc.de
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