asterisk users - May 2011 - Faxing with Asterisk 1.8.4 & T.38

Hi -

I am looking for suggestions for ITSPs for faxing with asterisk 1.8.  We are
based in the US, so would need an ITSP with US DIDs.

#1) We would like to use Fax For Asterisk with asterisk 1.8.4 in order to
receive faxes via T.38.  Sending faxes is not a requirement.  Does anyone have a
working asterisk 1.8.4 configuration and ITSP provider that they can recommend? 
We have been trying T.38 DIDs from our current ITSP, but we have been unable to
make it work.  I am more than happy to purchase new DIDs from a different
provider if they will consistently work and are fairly priced.

#2) We would also like to connect an ATA directly to some of our fax machines,
and use that for both sending and receiving faxes.  We have several SPA2102s
(and similar models) and have been unable to get them to work with T.38 and our
current provider.  We have tried connecting the ATAs directly to our ITSP, and
also with asterisk sitting in the middle doing pass-through. Once again, I am
willing to purchase new DIDs, and purchase new ATAs if someone can point us
towards a known working provider & configuration.

Any help or suggestions would be appreciated.  

Thanks!

Eric
ewr at erols.com

On 05/20/2011 01:20 PM, ewr at erols.com wrote:
> #1) We would like to use Fax For Asterisk with asterisk 1.8.4 in order to
receive faxes via T.38.  Sending faxes is not a requirement.  Does anyone have a
working asterisk 1.8.4 configuration and ITSP provider that they can recommend? 
We have been trying T.38 DIDs from our current ITSP, but we have been unable to
make it work.  I am more than happy to purchase new DIDs from a different
provider if they will consistently work and are fairly priced.
I use http://www.ipcomms.net/ with a free inbound DID for faxes.  I
always receive T.38.

I use http://www.gafachi.com/ for outbound T.38.

I have had excellent service from both.

-- 
Anthony - http://messinet.com - http://messinet.com/~amessina/gallery
8F89 5E72 8DF0 BCF0 10BE 9967 92DC 35DC B001 4A4E

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Eric

Contact me off list if you like and we can talk about your t38 fax needs. 
We may be able to help depending on your location. 

Thanks

Bryant Zimmerman (ZK Tech Inc.)
616-855-1030 Ext. 2003 

----------------------------------------
 From: "ewr at erols.com" <ewr at erols.com>
Sent: Tuesday, May 24, 2011 2:08 PM
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Subject: Re: [asterisk-users] Faxing with Asterisk 1.8.4 & T.38

On May 20, 2011, at 3:30 PM, Anthony Messina wrote:
> On 05/20/2011 01:20 PM, ewr at erols.com wrote:
>> #1) We would like to use Fax For Asterisk with asterisk 1.8.4 in order 
to receive faxes via T.38. Sending faxes is not a requirement. Does anyone 
have a working asterisk 1.8.4 configuration and ITSP provider that they can 
recommend? We have been trying T.38 DIDs from our current ITSP, but we have 
been unable to make it work. I am more than happy to purchase new DIDs from 
a different provider if they will consistently work and are fairly
priced.
> 
> I use http://www.ipcomms.net/ with a free inbound DID for faxes. I
> always receive T.38.
Thanks for the suggestion Anthony.

I went ahead and signed up for a free DID from http://www.ipcomms.net/, but 
am still unable to receive faxes sent to that DID into FaxForAsterisk.

I have tried faxing to the DID from 2 different fax machines connected to 
different POTS lines. One fax machine is a Xerox Workcentre, and the other 
is a Brother Intellifax. Can you provide some more information about your 
setup? If you wouldn't mind sharing your sip.conf settings, and maybe any 
other FaxForAsterisk related dialplan settings I would be greatly 
appreciative. I feel like we must have *something* really stupid set 
incorrectly. The faxes usually attempt to send, and appear to be properly 
switching to T.38, but usually end up failing with a "receive
partial". We
are currently using the Digium fax driver, but have also tried it with 
spandsp.

I am open to any suggestions on resolving these issues. Thanks for any help 
you might be able to give!

Eric
ewr at erols.com

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