[Asterisk-Users] fax <-> misdn <-> zap <-> fax // fax <-> misdn <-> ATA <-> fax

[Rico -mc- Gloeckner]

Hello,


I tried the above setups and am having large problems sending and
receiving faxes, even in very low speeds (9600 and far below).

Faxes are either shifted (i.e. missing lines) or corrupt at all, some
faxes do break with communication errors (although CRC-alike algorithms
are turned off) or in alot of cases only the upper quarter or 1/8 is
transferred.

Iam seeking for any idea on how to optimize the transfer or where to
seek why its so bad after all. (RTC shifts to large? too high interrupt
load? bad cables? Bad ZAP Settings? something like that...)


And, yes: [X] iam aware that faxing over PCs or alaw/ulaw voip is far
from being optimal.


Thanks for any enlightenments.
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