You should have them all the same. In a trivial little system like you have, there is no reason not to.
Customers who have large systems with many tens of PGs face a more difficult time when applying SRs or upgrading than you do, and ICM does allow the PGs to lag the version on the central controller, but this is just a temporary state.
ICM engineers endeavour to have the same version and SR on all nodes. ES are slightly different and should only be installed on the node they address.
SIP traces provide key information in troubleshooting SIP Trunks, SIP
endpoints and other SIP related issues. Even though these traces are in
clear text, these texts can be gibberish unless you understand fully
what they mean. This document attempts to br...
Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
questions and it will render the proper jabber-config.xml file for you
to copy/paste. There is built in logic to verif...
CUCM Database Replication is an area in which Cisco customers and
partners have asked for more in-depth training in being able to properly
assess a replication problem and potentially resolve an issue without
involving TAC. This document discusses the bas...