[AusNOG] Cisco SPA - Fax in Australia

[Andrew Yager]

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> 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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> AusNOG at lists.ausnog.net
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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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