# Configure Mailboxes for NP RapidDial

Before the NP RapidDial feature can be used, each mailbox must be assigned to a Subscriber Group.

To configure mailboxes to use the NP RapidDial feature:

1. Modify a mailbox (or range of mailboxes) with the following settings:

   - an FCOS that contains feature bit 265 (Enable NP RapidDial Features)

   - a Subscriber Group number (this prompt appears only if feature bit 265 is assigned to the mailbox FCOS)