I have CCM 5.0 with CUM version 5 as well. I have configured a SIP trunk between the call Manager and the unity. Everything is working well but when unity dials a user to his home phone number for message notification the DTMF does not work. What ever the user enters the unit does not interpret the digits. The CCM 5.0 has the PSTN router configured using H.323.
I have followed the procedure in the below link but still it does work:
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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 ...