This chapter describes the Unified Messaging framework used by Siebel Business Applications. It includes the following topics:

• About Unified Messaging
• Components of Unified Messaging
• Unified Messaging Service Business Service Methods
• Creating Message Types
• Configuring the Display of Messages
• Implementing Multilingual Substituted Text
• Implementing a Custom Message-Generation Engine
• About Working with Message Responses
• About Suppressing Duplicate Messages
• Suppressing Duplicate Messages
• Migrating Message Types Between Environments
• Tuning Performance of Unified Messaging
• Using Unified Messaging with the PSP Engine