When you install CallManager, you are prompted to select either Publisher or Subscriber, simply select Subscriber. You will be prompted to enter passwords, etc.
You can install the CRS on the Publisher, the configuration can be done on either CCM server. You can activte CTI manager service on both CallManagers and on the CRS point to both in the JTAPI subsystem configuration to create a redundancy. To install it simple follow CRS Getting Started Guide at
What do you mean it goes down? Does the engine stay in out of service, it's probably due to incomplete configuration. Did you configure jtapi subsystem, cti ports, and route points? Are they associated with jtapi user?
If you have CRS installed on both the Publisher and the Subscriber, if one of the servers go down, functionality will still be up till the server comes back up.
You do not have to do anything special for the Subscriber - whatever data you have on the Publisher, it is pushed to the Subscriber by the Publisher automatically - you do not have to set up things there seperately. The only thing that you have to do is installing CRS.
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...