Calling back a person that left you a voicemail is easy. When setting up VoiceMail for the extension, be sure to include callback=from-internal in the vm-options field in freePBX. Then, once you listen to a voicemail message, choose advanced options (3) and then option 2 to return the call.
Archive of entries posted on September 2006
Cent-os UPDATE
Just ran a yum -y update on my asterisk box today that is based on the asterisk@home version 2.8 and there was a mega download. I can confirm that this has caused no problems with the box and its still running fine