When any request is sent from the ctios client, the button remains grayed out until a response is received. In most cases, the response is recieved instantly, so the grayed out is not experienced. But if any reason the response is late, you'll see the CTIOS reamin grayed out. This can be caused by so many different reason. But one of the common is, ICM sent instruction to CUCM and getting the response late.
You may want to watch out the JGW to see whats' happening. Try to find if there is any pattern, like some particular agents registered to one subscriber, hard phoen vs soft phone.
But, at the same time, I wouldn't rule out any ICM issue either. But start with collecting logs from jgw and ctios and check the request/response.
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 ...
This document describe how DST changes and how time changes are
implemented in DST. Daylight Saving Time (DST) is the practice of
setting the clocks forward 1 hour from standard time during the summer
months, and back again in the fall, in order to make b...