07-12-2007 11:56 PM
Is there something to interpreter the result of deb fax relay t30 level-2 ?
I have some problem related to T38 fax Protocol, but I'm not able to understand where is the problem (Cisco 2811 & 2611 AS5400 PGW HSI GK enviroment)
07-14-2007 07:41 PM
Not really. This debug will show both t.30 and t.38 debugs.
It will show the actual t.30 or t.38 fax messages such as CNG,LCS and EOM.
You can find the state diagram for t.30 on the ITU site:
http://www.itu.int/rec/T-REC-T.30-199303-S/en
section 4.2 figure 9.
For PGW/HSI, you can either do GW controlled fax or call-agent controlled fax. If you have all cisco GWs, gw-controlled fax is simpler to configure.
If you are doing call-agent controlled faxing, make sure fax is enabled on the PGW/HSI:
http://cisco.com/en/US/products/hw/vcallcon/ps2027/products_feature_guide09186a00807dca5a.html
(t.38 is desirable rather that t.30)
A good overall doc:
Hope this helps
08-21-2007 12:10 AM
08-21-2007 05:48 AM
No way to do this with the level 2 debugs, use debug fax relay t30 all instead to get an idea of what is happening. The other option is to use a fax probe such as those from genoa.
Hope this helps.
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