I have problems with fax transmition to one of my destinations (only this one). Approximately 80% faxes fail in 41st or 43rd second. Those which succeed, have rate of 4800 (even that would be acceptable, if all of them worked).
we had a related problem when including T.38 fax transmissions. I can see that you're using H.245 - I'm wondering what version of H.245 you are using at both ends.
We found that we were getting failed call setups to NetMeeting because the H.245 version on NM was 3, whereas in our gateway it was ver.7. Ver.3 of H.245 does not support T.38 fax at all.
This probably isn't the problem though, so I noted that you didn't use 'fax rate' command, in which case the default is the highest transmission speed allowed by the voice rate. This may conflict with other configuration:
ip qos dscp cs5 media - the interface that this is applied to may have a particular transmission speed.
Probably the best thing is to decode the H.225.0 and H.245 call setup messages, and from there determine what the bandwidth, if any, is required.
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...