See instructions here: http://www.openvbx.org/plugins/
Add a pause (time delay) between two applets in OpenVBX
Adding a pause before the voicemail "beep":
- Insert Greeting applet
- Insert Pauser applet
- Insert Voicemail applet
- In the Voicemail applet select "Read Text" and insert a period (.) as the text (this will ignore the greeting message)
- Click Save