Re: [hylafax-users] Problems with Incoming and Outcoming Faxes

[Andrew Rinaldi <andrew.rinaldi@xxxxxxxxxxxx>]

Andrea Cavenago wrote:
> - 6 Conceptronic external fax/modem V.92 compatible, CLASS 1.

Assuming this is a modem using the Topic chipset then you are going to 
have big problems.... even if it's not Topic based then you will 
probably have problems until you get something that is based on the 
Agere Venus chipset.  Please search the archives at hylafax.org for 
'USR' or 'Topic' to see why.


> I'm using a MOXA CP-168U V2 Smart Serial Board connected to 6 modem (all 
> of them are Conceptronic model as specified above), but as now I use 
> only one of them (ttyM0).

OK, to eliminate the MOXA card, plug a modem into the serial port on 
your system and run your tests again.


> Last, but not least, we use VoIP, so each modem is connected to an 
> AudioCodes ATA VoIP gateway (model MP-102) that is managed by our ISP; 
> this means that I can't figure out how it is configured and I can't 
> manage it (but, as mentioned above, I get no problems using a normal fax 
> machine).

Read this;

http://hylafax.sourceforge.net/docs/fax-over-voip.pdf

If you are still not convinced that VoIP is a really bad idea, then move 
this system to a location with a POTS analog line to test.  You will 
still have problems with the Conceptronic modems but they will be 
different from the problems you get with VoIP.


Bottom line... in my opinion, until you ditch the VoIP and Conceptronic 
modems you have no chance of getting this system working reliably.  Once 
those issues have been resolved you can start looking at your chosen 
multiport serial architecture (read today's posts regarding 'Multi 
serial solutions').

Regards

Andrew Rinaldi
Mainpine Developer Support
USA +1 503 822 9944 | UK +44 8458 909438
andrew.rinaldi@xxxxxxxxxxxx | www.mainpine.com


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