Re: [hylafax-users] Hylafax + Fax tone detection and call handoff???

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

On 2003.12.16 08:30 Samuel Luxford-Watts wrote:
> Hi
>
> Ok, I am pretty sure that this is outside the scope of this list - but
> seing
> as there are a number of fax experts here and it is related.....
>
> Using hylafax it is possible to route inbound faxes directly to email
> addresses given a phone system that passes on the number that was
> dialled.
> Fair enough. But is there any way of getting it to take an incomming
> call -
> detect if there is a fax tone. If not then issue a command to the pbx
> to
> transfer that call to the actual extension?

HylaFAX can, in theory (with perhaps the help of adaptive answer 
support by your modem), detect what type of call comes in.  It cannot, 
however, do anything other than hand it off to another getty.  If you 
want it to transfer the call (ATDTextension;) then you'll need to code 
that support.

> This may be completely impossible. But it would be nice to just have
> ONE DDI
> number and the system work out if the incoming call is fax or voice
> and
> route it accordingly.

There are some disadvantages to adaptive answer that may make this kind 
of configuration potentially troublesome.  (I.e., fax senders may not 
send fax tones, CNG, until CED, answer tones, are heard.)  So be 
forewarned before spending a lot of effort on it.

Lee.

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