[asterisk-users] quadbri + tdm400p + modem-fax

[Steve Underwood]

Paco Brufal wrote:

>Hello,
>
>	I'm trying to send/receive faxes with a modem connected to a FXS
>port of a TDM400P. 50% of the faxes are sent/received bad.
>
>	The installation is this:
>
>QuadBRI -> Asterisk -> TDM400P (FXS) -> modem/fax -> Zetafax
>
>	Things I have tried:
>
>- reduce the speed of modem/fax to 9600bps = no changes
>- disable echo cancel in all channels = no changes
>- Answer() before Dial (to detect fax tone and disable echo cancel) = no changes
>
>	Somebody has tried a configuration like this?
>  
>
Lots have tried it. it doesn't work.

Steve