I remember reading about a Bug with Shared Lines that sounded exactly like this but I'll be darned if I can find it now. Can you please let us know your CCM and Phone Firmware versions and I'll have another look.
thanks for the reply. We are running CCM 4.2(3)sr1 as I can remember. I do not know the actual firmware, but it the version which is on 4.2(3)sr1. It happens on the 7961 and IP Communicators. I have also to admit, that the shared line is spread over phones, which are not in the same network, so that I thought, it could be a problem with the network. I have found the following in the CCM trace:
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
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setting the clocks forward 1 hour from standard time during the summer
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