I have one tip to try- I always turn off Dial Out MWI on all of my ports except one or two, and I make those the last ports. That way the MWI does not get blocked out by calls coming in. I also do the same with message notification.
Go to config-->Ports-->uncheck DialOut MWI for all but the last couple of ports.
for a 4 port system I will only use 1, for a 24 port system i will use 4.
I have encountered similar problems in a Unity installation in South Africa. In this scenarion a single Unity server connects to two call managers, one in Johannesburg and one in Pretoria. The Unity server is connected to the same switch as the Johannesburg CM.
MWI in Johannesburg works fine, but MWI in Pretoria is delayed by approx 6 minutes. Checking the message qeueuing logs shows that Unity registers the fact that a new message has been left for a Pretoria user straight away, and attempts to set the MWI. However, it consistently sends it out of the wrong port. Eventually it sends it via the correct port and the MWI is set.
It seems in dual CM integration there is no way of associating which ports should be used for which set of extensions - consequently Unity tries to blast it out of the last port in a range, regardless of whether it is the correct range or not...
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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 ...