One place to check is \Commserver\UnityMTA. If Exchange has gone offline, Unity will temporarily store messages here until Exchange is online. Once Exchange is online again, Unity should deliver the messages from this folder to the recipient. But for a variety of reasons, messages may be stuck in this folder.
If you do find messages in this folder, you can stop/start the AvUMRSyncSvr service. Providing your Exchange servers are up, the messages should be routed accordingly. Same for the Failed folder one-level below UnityMTA. Move them out of the Failed folder to the UnityMTA and they should be routed. If not, you can check the userid in the message name. It is possible the Unity subscriber was deleted, inbox inaccessible etc.
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
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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
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to copy/paste. There is built in logic to verif...
CUCM Database Replication is an area in which Cisco customers and
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involving TAC. This document discusses the bas...