Get wireshark installed on Exchange and make sure TCP Offload Engine is disabled. When running the sniff, put a filter on the sniff by typing SIP and hit the apply button. See if you are getting any SIP conversation. Also verify that you are using 711 for the codec in the region(s). The default setting won't cut it.
If nothing comes up for SIP traffic on the Exchange server, check the route pattern and/or codecs being used on the CM side.
I now finally have it working. I followed the guide to the letter and it didn't work (fast busy). Came in after the weekend and it now does. Noone had done anything ??????
One thing missing in the guide is if you need to use auto attendant for transfers you need to put calling search spaces in the "rerouting calling search space" and "out-of-dialog-refer" all on the sip trunk.
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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 ...