[asterisk-users] Fax Detect on Demand

[Olivier]

2012/9/13 Eric Wieling <EWieling at nyigc.com>

> Yes.  Trivial
>
> Off the top of my head:
>
> exten => 12125551212,1,Set(EMAIL=john.doe at example.com)
> exten => 12125551212,n,Answer
> exten => 12125551212,n,Wait(4)
> exten => 12125551212,n,Dial(SIP/1212)
>
> exten => fax,1,ReceiveFax(/tmp/myfax.tiff)
> exten => fax,n,AGI(yourfax2emailagi.php,${FAXEXTEN},${EMAIL})
>
> The Answer and Wait are required for faxdetection to work.
>


It doesn't work for me : using your example, SIP phone 1212 user would pick
its handset up when it starts to ring, he would hear CNG tone but nothing
happens and dialplan's fax extension is not entered.
In my setup, I used a fax machine connected to an Asterisk FXS port.
This machine dialed the SIP phone.

I also used SendFAX application with the very same SIP phone and it did
work the same way: callee could hear fax tone and branching to fax
extension didn't happen.
Nothing in CLI showed fax tone recognition.


In your setup, which type of incoming channel was calling the extension
121255551212 ?

You did set SIP1212 faxdetect to yes, didn't you ?
Did you enter any value sup t38p_udptl parameter ?


As a side note, if I tweak FXS port setting to detect fax, it works.



>
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:
> asterisk-users-bounces at lists.digium.com] On Behalf Of Olivier
> Sent: Thursday, September 13, 2012 6:20 AM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] Fax Detect on Demand
>
>
>
> 2012/8/16 Eric Wieling <EWieling at nyigc.com>
>
>
>         Using Asterisk 1.8.mumble.  We would like to use fax detect on
> demand.
>
>         Both chan_dahdi and chan_sip support setting fax detetect on a
> static basis,
>
>
> For curiosity's sake, could you make it work first using static settings ?
>
>
>
>
>         but no way I've been able to find to enable/disable it on demand
> in the dialplan.
>
>         In 1.4 we used the NVFaxDetect 3rd party app, but that no longer
> appears to be maintained.
>
>         Does anyone have any suggestions?
>
>         --
>
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