[Asterisk-Users] Fax with Asterisk and Sipura 2100

[Tom Vile]

This is what I set on my Sipura:

You have to be in as admin and then advanced settings.

On the SIP page change:

RTP Packet Size: 0.010

On the Line Page:

FAX CED Detect Enable: Yes
FAX CNG Detect Enable: Yes
FAX Passthru Codec: G711u
FAX Codec Symmetric: No
FAX Passthru Method: NSE
FAX Process NSE: Yes
Release Unused Codec: Yes

Click Submit All Changes

Have not had 1 dropped fax.

On 1/5/06, Darrell Long <dlong at bestweb.net> wrote:
> I know the subject of faxing has been covered in some detail, but I was
> wondering if anyone has a hardware configuration similar to ours that
> has faxes working successfully and would be willing to share any
> settings/insight.
>
> We are unable to fax reliably with a Sipura 2100 connected to Asterisk.
> We do not route calls over the Internet and our network has very low
> latency. The Asterisk servers connect to Cisco Routers that have PRIs
> from various carriers. We have all the recommended settings in the
> Sipura ATA, with Echo Cancellation and Silence Suppression off, uLaw
> only for the codec, etc.
>
> While I realize that no faxes going through passthrough like this will
> work 100% of the time, we currently have a less than 40% success rate
> with inbound faxes being the worst.
>
> Any insight anyone has would be greatly appreciated!
>
> Best Regards,
>
> --
> Darrell S. Long
> BestWeb Corporation
>
>
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--
Tom Vile
Baldwin Technology Solutions, Inc
Consulting - Web Design - VoIP Telephony
www.baldwintechsolutions.com
Phone: 518-631-2855 x205
Fax:     518-631-2856