[asterisk-users] T.38 SIP Issues

[Steve Underwood]

Ricardo Carvalho wrote:
> I made some tests with FAX in Asterisk 1.4 using T.38 between two ATAs 
> connected to legacy FAX machines, and realized that only SIP can make 
> passthrough in the server while RTP go direct between endpoints. Is it 
> possible for RTP data stream also to make passthrough in Asterisk?
>
> Thanks,
> Ricardo Carvalho.
At this time Asterisk doesn't support the use of RTP for T.38. It only 
supports UDPTL.

Steve