Just to add a note to the great tips from Jonathan
Hereis a doc (attached) called "Selling Cisco Unified CommunicationsExpress". It gives a feature comparison between CME 4.0 and CCM 4 and5, as well as compares CUE to Unity and Unity Connection.This is an "older" doc but should still give you a baseline for the differences between CUCM and CME.
As for the other part of your enquiry;
CUCM-BE is a single server "all in one" platform.
Cisco Unified Communications Manager has the unique ability to cluster multiple servers and manage them as a single entity, allowing customers and constituents to optimize reliability and scalability. Additionally, Cisco Unified Communications Manager comes with a host of innovative and robust features, including integration with Microsoft Outlook address books for simplified dialing, analysis, and reporting tools for detailed call records, a receptionist console, and conference calling.
***Cisco Unified Communications Manager Business Edition is a single-server system that includes unified messaging services with Cisco Unity Connection, call-processing services with Cisco Unified Communications Manager, and mobility services with Cisco Unified Mobility. This solution is suitable for medium-sized organizations consisting of between 200 and 500 users.
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...