Re: flexfax: How to dial up a faxmachine which is on a PBX extension?

[Nico Kadel-Garcia <raoul@cirl.meei.harvard.edu>]

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On Wed, 30 Jun 1999, Levente Janovszki wrote:

> On Wed, 30 Jun 1999, Nico Kadel-Garcia wrote:
> 
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> > 
> > On Wed, 30 Jun 1999, Levente Janovszki wrote:
> > 
> > > Hello !
> > > 
> > > Now I use my E-tech Bullet E1414MX/DX for sending fax and a Discovery
> > > 1414CX modem for receiving and it works very well. Great ! Thanx for your
> > > help. My next problem - I didn,t find any comment about it - is below.
> > > 
> > > 
> > > My question is $subject ? If I call the number than a PBX machine answer
> > > the call by voice ( Hello, it's ... Company. If you know the extension
> > > number please dial xxx for fax , yyy for operator. Thank you.) :-)))
> > > So, how to tell my modem that it will have to dial xxx. I know xxx ext.
> > > number but where to put this number and what kind of AT command do I
> > > have to use ??
> > 
> > Call the number by hand: time how long it takes between ringing the
> > telephone, and needing to dial the PBX number. Then use a number
> 
> Yeah!!!!!! And sometimes it answers  the call immediately sometimes
> after the sixth ring. It's not good.

This would have to be on a site by site basis, part of their
telephone number when you dial it. Doing it automatically would
take manipulation of the dialrules file.

> > something like "1.555.555.5555,,,xxxx" where "xxx" is the PBX number,
> > and each "," tells the modem to wait for three seconds before dialing
> > the next number.
> 
> Are you serious ??? :-)))) I cannot count every PBX-time-delay on the
> world. Class 2 modem knows the difference between data,fax ... doesn't it?
> So what is the other solution ? e.g. put in command before handshake. BTW
> which is the firs command after it picks up the line ??? ;-)
> I think that will be the solution.

Class 2 and 1 can recognize data and fax. What they *DON'T* recognize
is the voice saying "please hit your extension after the beep". You'd
somehow have to teach the modem to decode *THAT*. That is an extremely
non-trivial task, and would probably take rebuilding the modem.

			Senior Engineer, CIRL 
			Mass. Eye and Ear Infirmary
			raoul@cirl.meei.harvard.edu

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