[asterisk-dev] autodetect fax on SIP channel

[Alexey Borisov]

 >Alexey Borisov wrote:

> >> Hi All.
> >> Tell me please, how-to detect fax call on SIP channel?
> >> I found some information on voip-info about app_nv_faxdetect, but it
> >> reffers me on newmantelecom site.
> >> this site is not responsible anymore ;-(.
> >> where i can take app_nv_faxdetect for asterisk 1.4? or possible any
> >> instructions, how to make it work/
> >> 
> >> thanks
> >> Alex.
> >> 
>   
>
>Hi,
>
>I think nv_faxdetect works to detect fax calls on ZAP (and mISDN), not SIP.  nv >listens 
>for the fax tones, and there are no fax tones on an incoming SIP.
>Fax over SIP is done using T.38, and I don't know how to tell it is a fax call >at the 
>start, i.e from the SIP INVITE.
>Anyone?


Really? But in man from voip-info.org ive seen, that NVFaxDetect function 
implements fax detection just SIP and IAX channels.
here is article -> http://www.voip-info.org/wiki-NVFaxDetect 

I need it. Maybe anyone use it with aster 1.4.?

Alex.