The Voice provides access to settings relating to voice communications through the device.
The Voice Lines view shows a list of available voice lines for the device and allows you to configure them.
The Number Blocking view allows you to block outgoing calls to specific numbers or or number ranges.
The Ringing Schedule view lets you define when telephones should be allowed to ring.
The Speed Dialing view lets you configure a set of shortcode numbers that convert to the specified numbers when dialled.