Won't Hang UP / Voicemail issues

Hi All,

I have a CentOS system running TrixBox, Asterisk, and FreePBX. I have searched high and low for an answer, but can’t find this specific issue, I hope someone has had this issue, and can offer me some help.

I have only 2 SIP extensions setup using their default settings. Whenever one calls the other, I can hear the ringing, can talk back and forth, but when either end hangs up, the other end still says call established. Even if both clients hang up, the session still stays active under the FreePBX Panel, and I have to manually hang them up before another call can be made.

In addition, I am also unable to hear on-hold music. Is there some configuration I may be missing? I have already uninstalled, and re-installed the modules, but to no avail. Please, any help would be appreciated.

Thanks, :?