A1 SYSTEM FEATURESInstallation Manual 257LogicalExtension (AllCalls Transfer toMailbox)is an extension that always receives callsdirectly into its mailbox. This feature is usedby subscribers that are often unavailable orthat do not have a telephone.• See "All Calls Transfer toMailbox" in Table B-4 in B2SYSTEMADMINISTRATION—MAILBOXES.• See "Creating and Editing aMailbox" in C2 SETTING UPMAILBOXES.• See "Logical Extension (AllCalls Transfer to Mailbox)" inthe Glossary.Mailbox is a place where all messages to a subscriberare stored. Several mailbox options exist:Subscriber Mailbox, Interview Mailbox,System Manager’s Mailbox, and MessageManager’s Mailbox (General DeliveryMailbox).• See 5.5 SETTINGMAILBOXES.• See 6.2 SETTING UPMAILBOXES.• See 7.3.1 MailboxAssignments.• See 7.3.10 Mailbox UsageReport.• See 7.3.11 Mailbox UsageStatistics Clear.• See B2 SYSTEMADMINISTRATION—MAILBOXES.• See C2 SETTING UPMAILBOXES.• See Section 1 1 Mailbox Setupin the Subscriber’s Guide.MessageDelivery, Internalallows the VPS to automatically deliver asingle message to multiple mailboxes.• See "Group Distribution List—Personal", "Group DistributionList—System" and "MessageDelivery Status" in this Table.Table A-1FEATURE DESCRIPTION REFERENCES