[cisco-voip] Rightfax T.38 issues

[Kris Seraphine]

Hi

I have a customer who's recently installed a rightfax server into their
network. I've configured their H.323 gateway for T.38.  Inbound faxes seem
to work fine but outbound faxes fail about 90% of the time.  I thought it
may be a super G3 issue but unfortunately the gateway does not have enough
flash to load the 12.4(T) image.  While we're waiting for a flash upgrade I
asked the customer to work with rightfax on the issue.  They haven't been
all that helpful but they did disable V.34 and verified that the compression
method was set to group 3.  To me this should mean the rightfax server
should negotiate 14.4k and any super G3 fax machine would train down to that
level.  Am I correct in this assumption?

If so, I'm not sure what would be causing the problems.  the T1 controller
and ethernet interface show no errors.  I can tell from the debug output
that the correct dialpeers are being matched and that the DSP is downloading
the fax codec for these calls but the outbound faxes seem to always fail
after the first page is sent.

For my dialpeers I have the fax protocol t38 ls-redundancy 0 hs-redundancy 0
fallback none and fax-relay ecm-disable commands.  The gateway is a 2651XM
using the voice aim and a VWIC-MFT-T1 card.  It is currently running 12.3
(11)T11

any thoughts or suggestions would be appreciated.

-- 
kris seraphine
-------------- next part --------------
An HTML attachment was scrubbed...
URL: https://puck.nether.net/pipermail/cisco-voip/attachments/20070416/ea74e276/attachment.html