Another common cause for Soft Phone not working is TFTP traffic being blocked.
From the local workstation you can perform the follwoing test:
Open Command prompt: Start -> Run -> cmd
tftp -i GET .cnf.xml
For example, if my TFTP Server is 10.0.0.1 and the CSF Device name is csftest, then the command to test tftp traffic from the workstation would be:
tftp -i 10.0.0.1 GET csftest.cnf.xml
If you get Connection Timed out, then disable any security software such as Windows Firewall or Anti Virus and then test again and now if it works, just add exception for "Cisco Unified Personal Communicator" and "Cisco Unified Client Services Framwork" processes and then enable the Security Softwares and re-launch CUPC.
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...