Know why saved voicemails are deleted
Nov 02, 2012
Voicemail messages are automatically deleted:
If the mailbox is full. 30 new and/or saved messages total, in any
combination, can be in the mailbox before it is considered full.
If a saved message has been stored more then 30 days. Saved messages are
stored a maximum of 30 days from the date received.
If the message is not played. Unplayed messages are automatically deleted
after 20 days without warning.