[AusNOG] Cisco SPA - Fax in Australia

[Joseph Goldman]

Thanks for the input, will definitely give it a go! Appreciate the 
guidelines.

If I find my own answers separate I will be sure to bring it back to 
list, seems to be some want for it!

Also happy to hear on different preferred devices for this purpose.

On 22/04/14 17:30, Andrew Yager wrote:
> Hi Joseph,
>
> Best luck with these units is to disable anything smart and make sure 
> the impedence settings are set correctly.
>
> Our usual strategy is:
>
> - disable silence suppression
> - disable fax detection
> - disable T.38
> - set Australian impedance settings
> - ensure only codec for negotiation is alaw
>
> normally this takes it from about a 20% success rate on fax calls to 
> around 96%.
>
> Still looking for a "holy grail" solution.
>
> Thanks,
> Andrew
>
>
>
> On 22 April 2014 15:31, Joseph Goldman <joe at apcs.com.au 
> <mailto:joe at apcs.com.au>> wrote:
>
>     Hi list,
>
>      Trying to have some luck using faxes behind Cisco SPA ATA's, in
>     particular testing with an SPA122. I can get the unit to detect
>     its a fax coming through, but often they don't begin communication
>     between the 2 endpoints, or if by luck they do I get a comm error.
>
>      T.38 is enabled, NSE enabled, also tried with no NSE enabled.
>
>      Anyone had luck getting these units to work in AU ?
>
>     Thanks,
>     Joe
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>
> -- 
> *Andrew Yager, Managing Director* /MACS (Snr) CP BCompSc MCP/
> Real World Technology Solutions Pty Ltd - IT people you can trust
> ph: 1300 798 718 or (02) 9037 0500
> fax: (02) 9037 0591
> http://www.rwts.com.au/

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