...

  You have to set the following in vars,xml:     <X-PRE-PROCESS cmd="set" data="voicemail_account=username"/>   <X-PRE-PROCESS cmd="set" data="voicemail_domain=your-domain.com"/>

In one of my installs, (1.0.6) that never worked. Is that only valid in trunk?

Although the notify-voicemail.tpl & voicemail.tpl utilize ${voicemail_domain} its ignored on my OpenWRT 1.0.6 setup (haven't tested on my CentOS switch. A 'global_getvar' enumerates it as I wanted it... I just manually setup the templates as I needed them... HTH, jlc