Deleted messages can be recovered or retrieved from the Deleted Items folder of the Cisco Unity inbox. This is useful for when the subscriber deletes the message by mistake. But this can also cause problems if deleted messages get accumulated. They need to be purged at some time interval from the Deleted Items folder. Therefore, the Cisco Unity Administrator needs to set a time period during which you can recover deleted messages.
From this excellent doc;
Unity: Set a Recovery Period for Deleted Voicemail Configuration Example
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...