A quick introduction to Exchange UMMajor Exchange UM featuresUnified messaging conceptsThe unified communications marketThe exciting world of telephonyThe Session Initiation Protocol (SIP)Audio and the Real-Time Protocol (RTP)Unified messaging objects and attributesUM dial plansUM IP gatewaysUM hunt groupsUM mailbox policiesUnified messaging architectureWhat happens when the phone ringsCall answering for a user mailboxCall answering rulesRecording a message or notVoice Mail PreviewResolving calling line ID informationProtected voice mailSubmitting the messageLighting the message-waiting indicatorCall answering for an automated attendantAutomated attendants and the GALAutomated attendants and call transfersCall answering for Outlook Voice AccessCall answering for faxesPlacing outbound callsThe parts of a phone numberThe role of dialing rulesWhat’s in a dialing ruleDialing rule authorizationBlind transfersSupervised transfersMultilingual support in UMInstalling and removing language packsChoosing the right languageDeploying UMSizing and scaling UMPreparing your networkInstalling UMCreating core UM objectsCreating UM dial plansCreating UM IP gateway objectsCreating UM hunt groupsCreating UM mailbox policiesDesigning automated attendantsEnabling users for UMManaging UMA quick note about permissionsManaging UM server-level settingsManaging UM call router settingsManaging UM server settingsUsing certificates with UMGAL grammar generationScheduling UM work on the Mailbox serverDial plan settingsAdditional dial plan settings with Set-UMDialPlanUM IP gateway settingsUM mailbox policy settingsAdditional UM mailbox policy settings with Set-UMMailboxPolicyMailbox settingsAdditional settings with Set-UMMailboxCall answering rulesAutomated attendant settingsAdditional settings with Set-UMAutoAttendantUnified messaging and the future