[asterisk-users] FFA SendFax rejects T.38 reINVITE (488 Not acceptable here)

[Kevin P. Fleming]

On 10/20/2010 04:07 PM, VoIP Question wrote:
> Hello again,
> 
> If I set a peer to use G.711 only, they try to process a sent fax in
> G.711, but Asterisk doesn't like it:
> 
> WARNING[4903]: res_fax.c:1709 sendfax_t38_init: Audio FAX not allowed on
> channel 'SIP/Main-0000000a' and T.38 negotiation failed; aborting.
> 
> What can I do to enable it?

What you can do is read the documentation. The built-in help for the
SendFAX application shows you how to enable audio FAX on channels that
support T.38 (where audio FAX mode is normally disabled for reliability
reasons).

-- 
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
skype: kpfleming | jabber: kfleming at digium.com
Check us out at www.digium.com & www.asterisk.org