One of our regional offices from the Schistosomiasis Hospital in Palo, Leyte reported the problems of their CISCO 7945 IP Phones wherein the "UCM down features disabled" appears on the screen when they place outside calls and when someone is calling them. Sometimes their ip phones are registered in the CISCO Call manager but it becomes unregistered after a few hours
Another problem is our supplier has been asking my office for fees for their services since our ip telephony project has been accepted that's why I've been posting here that perhaps someone could help me on this.
Please check your IP connectivity between CUCM and IP Phones. There might be huge packet drops and high latency. When IP phones are not able to reach CUCM it unregisters and and if you are in the mid of a call shows the message CM down features disabled.
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
months, and back again in the fall, in order to make b...