[cisco-voip] UC500 Analog Faxes on fxs ports configured with stcapp

[Anthony Kouloglou]

Thanks Nick,
i have already configured a dial-peer pots with no stcapp and also 
inserted no vad in the config.
I will wait to see how it goes.

On 5/7/2011 9:23 μμ, Nick Matthews wrote:
> If you remove the SCCP app from the pots dial peers you will simplify
> the faxing.
>
> Right now since SCCP (or MGCP) is controlling the port the system is
> forcing a DSP into the call.
>
> If you use basic H.323 control and the call is going out another TDM
> port on the UC540 it will do a 'DSP bypass' and skip the PVDM
> processing.  This is basically equivalent to plugging the fax machine
> into the TDM port and there is no fax over IP happening at all
> (ideal).
>
> It's very possible you've got new slips on your PRI or the carrier
> network has started getting slips.
>
> -nick
>
> On Tue, Jul 5, 2011 at 10:33 AM, Anthony Kouloglou<akoul at dataways.gr>  wrote:
>> Hi all,
>> i have a UC540 running CME 7.1 for a year.
>> All fxs ports are configured with stcapp thus they are registered as SCCP
>> devices.
>> Suddenly, one year later with no problems so far, faxes are coming corrupted
>> or not at all while in the same moment, the same fax machine can send faxes
>> with no problem!
>> Is there something i can look in the config?
>> The guy who supports the fax machine says that there is no problme with the
>> device.
>> Any help will be much appreciated.
>>
>> BTW: UC50 uptime is 22 weeks.
>>
>>
>> Best Regards
>> Anthony
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