If you are looking for Cisco approved ranges then I recommend going to the SRND. If you are looking for opinions, I never deploy anything lower than a MCS-7825 myself. My reasoning is not really founded in the black and white area of technical specifications. I just think of the MCS-781x as lab play toys.
CUCM version: I would go with 7.1(3b)SU2. I have been running that in my lab and at a few customer sites without issue.
Gateway. Your choice. I like to stay aware from anything lower than a 28xx. I also recommend provisioning adequate DSPs for conferencing resources.
When you look at your numbers, at 15 - 25% growth factor and see how that makes you feel.
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...