[asterisk-users] Problem with detecting fax on PRI/DAHDI channels

Kevin P. Fleming kpfleming at digium.com
Thu Jun 23 15:05:29 CDT 2011


On 06/23/2011 10:46 AM, Eric Wieling wrote:

> What is faxdetect=outgoing and faxdetect=both do?

It does exactly what is says... it enables faxdetect based on the 
direction the channel was setup (incoming, outgoing, or "doesn't 
matter"). 'outgoing' is used in some applications to redirect outgoing 
FAXes to a local FAX server, or to do store-and-forward FAX. It's not as 
necessary as it used to be... when the only channel that had 'faxdetect' 
functionality was chan_zap/chan_dahdi, 'outgoing' mode was necessary to 
be able to catch all outgoing FAXes (and redirect the incoming channel 
to a different destination in the dialplan). Now that chan_sip has 
'faxdetect' as well, many usages of 'outgoing' in chan_dahdi are no 
longer necessary.

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



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