==== Tuning ====
The tuning phase covers all post-deployment activities. This includes adjustments to the application based on surveys, call log analysis, end-to-end call monitoring, and A/B testing. Application adjustments of interest to VUI designers include changes to the call flow, grammars, and the prompts and messages ([[references#guinn|Guinn, 2010]]).

Surveys
See [[Surveys]].

Call log analysis
See [[Monitoring Production Data]].

End-to-end call monitoring
See [[Call Recordings]].

A-B testing
See [[A-B Testing]].

==== References ====
Guinn, I. (2010). You can’t think of everything: The importance of tuning speech applications. In W. Meisel (Ed.), Speech in the user interface: Lessons from experience (pp. 89–92). Victoria, Canada: TMA Associates.