[asterisk-users] Detecting Fax Tones over IAX2

[Kevin P. Fleming]

On 05/23/2012 08:41 PM, Cody Harris wrote:
> Hello All,
> I use IAX2 as the incoming connection from my DID provider.  For
> whatever reason, this works best for me, SIP connections lag very
> frequently and only have about a 50% success rate for incoming calls
> (they get dropped mysteriously).
>
> I'm trying to implement a fax/voice switch.  I have faxdetect=both in my
> sip.conf, and when I use sip, it works well.  However, from what I can
> tell, there's no such option for IAX2 connections.
>
> Any ideas on what I can do here, or am I out of luck?

It's quite hard to provide suggestions since we don't know what version 
of Asterisk you are using. However, in Asterisk 10, there is a 
channel-agnostic FAX detection function that can be applied to any 
channel type, so at a minimum that is one way to solve your problem.

-- 
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