Re: [hylafax-users] still strugling with DTMF

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Yves Carlier wrote:
> What could be the reason why
> after a fresh restart of the hylafax server I get the following log 
> messages DTMF related:
>
> Dec  5 15:53:39 faxtest FaxGetty[23378]: ANSWER: Call ID 1 "40222232948"

> and all successive  incomming FAX calls log as follows:
> Dec  5 15:58:52 faxtest FaxGetty[23378]: STATE CHANGE: RUNNING -> 
> LISTENING
> Dec  5 15:58:52 faxtest FaxGetty[23378]: --> [4:RING]
> Dec  5 15:58:52 faxtest FaxGetty[23378]: <-- [7:AT>DT1\r]
> Dec  5 15:58:53 faxtest FaxGetty[23378]: --> [2:OK]
> Dec  5 15:58:53 faxtest FaxGetty[23378]: --> [8:DTMFSTAR]
> Dec  5 15:58:54 faxtest last message repeated 2 times
> Dec  5 15:58:54 faxtest FaxGetty[23378]: --> [5:DTMF4]
> Dec  5 15:58:54 faxtest FaxGetty[23378]: --> [5:DTMF0]
> Dec  5 15:58:54 faxtest FaxGetty[23378]: --> [5:DTMF2]
> Dec  5 15:58:55 faxtest last message repeated 3 times
> Dec  5 15:58:55 faxtest FaxGetty[23378]: --> [5:DTMF3]
> Dec  5 15:58:55 faxtest FaxGetty[23378]: --> [5:DTMF2]
> Dec  5 15:58:55 faxtest FaxGetty[23378]: --> [5:DTMF9]
> Dec  5 15:58:56 faxtest FaxGetty[23378]: --> [5:DTMF4]
> Dec  5 15:58:56 faxtest FaxGetty[23378]: --> [5:DTMF8]
> Dec  5 15:58:56 faxtest FaxGetty[23378]: --> [8:DTMFSTAR]
> Dec  5 15:58:56 faxtest FaxGetty[23378]: --> [5:DTMF4]
> Dec  5 15:58:59 faxtest FaxGetty[23378]: --> [6:FAXCNG]
> Dec  5 15:58:59 faxtest FaxGetty[23378]: <-- [5:ATH0\r]
> Dec  5 15:58:59 faxtest FaxGetty[23378]: --> [2:OK]
> Dec  5 15:58:59 faxtest FaxGetty[23378]: MODEM set DTR OFF
> Dec  5 15:59:00 faxtest FaxGetty[23378]: MODEM set DTR OFF
>
> Is it my PBX that is messing around (hard to believe) or are there 
> initialisation/configuration settings of
> the modem that are different between the initial  reception and all 
> subsequent receptions?  I've set
> the server in logmode 0xfff, and all commands sent to the modem look 
> identical.

Unless you expect that the modem is lying to us, it would seem that in 
the first call the DTMF digits that were delivered were:

 40222232948

And in the second call the DTMF digits that were delivered were:

 ***40222232948*4

So you can either accuse the modem of lying or you can accuse the PBX of 
"messing around".  But I suspect that the modem is not lying and that 
the PBX is doing what it was designed to do for whatever voicemail 
service that it was intended to work with.  The coding of the DTMF 
digits must mean something to it.

That said... HylaFAX *should* have answered, and it didn't.  I am 
guessing that you're using a MT1932ZDX modem (or equivalent).  Do you 
have RingExtended set to "FAXCNG"?  (RingExtended: FAXCNG)

Relevant reading material may be:

http://bugs.hylafax.org//show_bug.cgi?id=374
http://article.gmane.org/gmane.comp.telephony.fax.hylafax.user/6811

Thanks,

Lee.


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