[asterisk-users] Fax Configuration

[Vladimir Mikhelson]

Roy,

Congratulations!

One comment and one question.

 1. I would consider increasing Wait from 2 to 3 or maybe even 4 seconds
    for more reliable CED detection.  Some fax machines produce CED
    tones not that frequently.
 2. What kind of error dd you receive with faxdetect=yes in sip.conf?  I
    have faxdetect=yes in sip.conf and did not notice an error.

Thank you,
Vladimir




On 11/6/2012 10:22 AM, Roy Abshire wrote:
> I got it working so thought I'd follow up!
>
> Here is what I had to do...
> I'm using Actuate 11 and had res_fax support already
> I had to download, compile, and install res_fax_digium
> I had to order a Free Fax License from digium for 1 channel
> I had to change faxdetect=yes to faxdetect=cng in sip.conf or I would
> get an error...
> I had to change my dialplan to Answer, Wait(2) before the Dial command.
> I had to add a extension for fax or I'd get an error fax extension not
> found...
>
> I created a fax-in dialplan and fax-in.pl to email me a PDF
> I created a fax-out dialplan and fax-out.pl to send faxes
>
> I created a Free account at googles hellofax.com to test receiving a
> fax-in.
> I created a Free account at PopFax.com to test sending a fax-out.
>
> It works even though my VOIP Provider, Flowroute, doesn't support T.38
> Fax.
> I just had to make sure I Answer and Wait(2) to detect the fax tone.
>
> If anyone wants more details let me know.
> Co-op Vacation Rentals
> www.coopvr.com
> 15218 Summit Ave 
> Suite #300-354
> Fontana, CA 92336
> Phone/Fax (855) 760-COOP (2667)
> On 11/6/2012 6:28 AM, Chris Nighswonger wrote:
>> On Mon, Nov 5, 2012 at 10:43 PM, Vladimir Mikhelson
>> <vlad at mikhelson.com <mailto:vlad at mikhelson.com>> wrote:
>>
>>
>>     My practical experience shows otherwise.  I am able to receive
>>     faxes on
>>     SIP lines pretty reliably with no T.38 support.  The biggest
>>     issue for
>>     me is CED tones detection.  If CED is detected then fax reception
>>     goes
>>     on with no problems.  I use this setup with both Asterisk receiving a
>>     fax and then e-mailing it to me as a PDF attachment
>>
>>
>> This has been my experience also (with fax reception). Incoming faxes
>> work for us nearly 100% of the time.
>>
>> I have not messed with fax sending and so cannot comment on that.
>>
>> Kind Regards,
>> Chris
>
>
>
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