Nonresident subscribersare messaging software subscribers who do not have an extension on a switch that is served by the messaging software. Mailbox numbers in the system for these subscribers correspond to the messaging software extensions that are not administered on the switch. (The subscribers with extensions 33304 and 33305 in the previous example are nonresident subscribers.)
Security Setting up nonresident subscribers with numbers that begin with trunk dial access codes could contribute to toll fraud. Always assign extensions that do not allow access to any outside lines. For more information about guarding your system against toll fraud, see System Security.
An example of a nonresident subscriber is an outside sales representative who needs to receive messages from clients. To accommodate this type of subscriber, an automated attendant can be set up to move callers directly to nonresident subscriber mailboxes as described in Example: Setting Up an Automated Attendant for Nonresident Subscriber Extensions. The caller needs to know only the number of the automated attendant and the nonresident subscriber's mailbox number to leave a message. Once in the nonresident subscriber's mailbox, the caller hears either the system guest greeting or the nonresident subscriber's call answer greeting, depending on the transfer treatment that is specified on the Subscriber screen.
In this example, the extension number for each nonresident subscriber is a 5-digit number beginning with 3, and the extension number for the automated attendant is 37001. The nonresident subscriber provides clients with the telephone number of the automated attendant and the subscriber's own mailbox number.
With the system administered in this way, clients dial xx3-7001, listen to the automated attendant menu, enter the nonresident subscriber's mailbox number, listen to the subscriber's personal greeting, and leave a message. If the caller does not enter a mailbox number within 5 seconds, the call is transferred to a sales clerk.
If the treatment for calls that go directly to mailboxes is "guest-greeting" instead of "call-answer," callers hear the system guest greeting "Please leave a message for name" instead of the nonresident subscriber's personal greeting.