Voice Application Architecture

The following figure shows the design-time and runtime components of SAP NetWeaver Voice. It also shows the interactions of components with external data systems and a third-party VoiceXML gateway.

This graphic is explained in the accompanying text.

SAP NetWeaver Voice Architecture

The following table provides descriptions of the design-time components:

Design-time component	Description
NetWeaver Administrator	Allows you to perform various administrative tasks such as creating users, stopping and restarting voice applications and viewing the logs
Visual Composer Voice Kit	Allows you to model voice applications using the voice and non-voice entities. It also allows you to deploy your voice applications

The following table provides descriptions of the runtime components:

Runtime component	Description
Visual Composer Compiler	Validates a voice application
Voice Dialog Runtime	Provides access to runtime resources such as audio files and grammar files to the voice application at runtime
Voice Data Runtime	Provides access to the data at runtime. It interacts with the back-end system or the voice dialog runtime to provide the required data
Service Interface	Assists the voice data runtime component to access the back-end or Web Services data
Expression Evaluator	Evaluates expressions used in a voice application
VoiceObjects Infostore	Stores call data such as the duration of the call, number of callers and so on
SAP BI	Stores call data created in the VoiceObjects Infostore in a form that can be used by SAP Business Intelligence
SAP Business Intelligence	Generates BI reports based on the data stored in SAP BI