I think ,First 3 Point to the Callmangers in the subscribed CCM group ,4 th one point to the tftp server where it will register if these 3 callmanagers are unavailable and last (5th) always point to the srst reference.
Check following paragraph in the same document:Device Configuration Menu
The Device Configuration menu provides options for viewing and making a variety of settings that are not network related. Table 4-2 describes these options and, where applicable, explains how to change them.
For information about how to access the Device Configuration menu, see the "Displaying a Configuration Menu" section.
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...