Do the DN's overlap ?? With the info provided it would be tough for to state what could be the issue. One of the most common issues in such cases could be Partitions/CSS. If Unity shows MWI On, then if you could collect CCM detailed traces when the message is left for a user (+ and -5 mins) along with the info about the MWI On/Off #, Partition assigned to the DN and DN where the MWI is not working, it would help to try and identify the problem
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...