User Manual ReferencesSubscriber Operation1.8.2 Logging in to and Configuring Your MailboxManager Operation2.2.1 System Manager Features— Setting Up Mailboxes3.2.2.21 Mailbox Capacity WarningDescriptionAllows the Unified Messaging system to alert subscribers when recording time for their mailboxes is runninglow. The warning announcement will be heard at the beginning of Subscriber’s Service.Conditions• If the setting is longer than the Mailbox Capacity Maximum Message Time, this feature is not available.PC Programming Manual References21.1 UM Configuration—[2] Class of Service—Mailbox→ Mailbox Capacity Warning (Selection)→ Mailbox Capacity Maximum Message Time (Limited) (min)3.2.2.22 Manager Service SwitchingDescriptionAllows a subscriber to access the System Manager’s mailbox and Message Manager’s mailbox. Subscribersthat have this feature enabled through Class of Service (COS) programming can switch mailboxes simply bypressing [#] twice from the subscriber service menu, in the following order:Subscriber service Message Manager service System Manager serviceConditions• If another user is already using the manager service, the subscriber will hear an error tone and cannotaccess that service.PC Programming Manual References21.1 UM Configuration—[2] Class of Service— System Manager Authority21.1 UM Configuration—[2] Class of Service— Message Manager Authority306 Feature Guide3.2.2 Subscriber Features