# Configuring Network Addressing - Overview

When a user addresses a message, the NuPoint Voice software must be able to identify the address as either a local mailbox or a remote mailbox. If it is a remote mailbox, the NuPoint Voice software must be able to identify the correct remote node and the correct mailbox on that node.

The Dialing Plan identifies the message address as either a local mailbox or a remote mailbox. The Digits Translation Table determines the correct node of the remote mailbox and how to derive the mailbox number from the address entered. The diagram below shows how these two filters work together: