[asterisk-users] Fax Woes

[Kevin P. Fleming]

On 02/14/2011 10:00 PM, Mike Diehl wrote:
> Hi all,
>
> I'm trying to get outgoing fax working from an SPA2102 to a PSTN fax machine
> via a T.38 enabled trunk. I've got
> t38pt_udptl = yes
> faxdetect=no
>
> in my sip.conf file. The ATA has all of the T.38 options turned on, echo
> cancellation is off, as well as silence suppression off. The only
> configured codec is u711.
>
> When the user tries to send a fax, it gets to the point where it issues a
> reInvite to start the T.38, then the called side receives a SIP 488 (Not
> Acceptable Here)
>
> Where should I start? Any pointers would be most welcome.

As is always the case, posting a complete (*all* logger levels enabled) 
log capture, with SIP debugging enabled, is the way to get started. 
Nobody can effectively help you without seeing exactly what is happening 
first.

It would also help if you didn't use the word 'it' to mean different 
things in a single sentence :-) Clarity and completeness make it much 
easier for people to understand what you are trying to express.

-- 
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