Re: [hylafax-users] Wrong number / fax/phone recognition...

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Marcin Giedz wrote:
> If there is any chance to recognize with Hylafax if calling number is 
> wrong? I mean if number is busy everything is clear. But if number is 
> wrong (too many digits or not enough digits or number doesn't exist) 
> all I get is: too many attempts to dial. Is it possible to get 
> different "connection failed reason"?

It's normally not possible to know with any degree of certainty that a 
dialed number was invalid or that it reached an unintended destination.

That said, users of a well-configured and well-maintained system will 
have good reason to learn that checking the number is one of the primary 
things to do for any failures.

> And second thing: are we able to capture if calling number is fax 
> number, I mean if remote fax responds this is clear, but if number is 
> NOT busy and after N rings there is no response with FAX handshake, is 
> it possible to assign "no remote fax available" as a fail reason? Does 
> analog communication allow such feature?

On analog lines it's generally a very difficult process to identify 
whether or not a call was answered.  However, some modems may do an 
adequate job of it, and in such cases they may make a distinction 
between "NO ANSWER" and "NO CARRIER".  However, for the most part either 
of those mean essentially, "no remote fax available".

Thanks,

Lee.


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