See also FreePBX User Control Panel
It is very important that you record your personal greetings. Please do not delay in doing so. It's very easy!
*97
*98
to check your voicemail or record the greetings for or from another extension*98
to record greetings for another user (you'll need their PIN)0
(zero) for the Mailbox Options
You should also change your PIN used to access your voicemail. This is also in Mailbox Options.