Which Avaya Aura Contact Center component manages all media processing for the contact center including playing messages and collecting DTMF digits?

Which Orchestration Designer intrinsic is used for Multimedia contacts?

Which Communication Control Toolkit server software component is used to import bulk resources from the Windows server into the CCT database?

Which Communication Control Toolkit server software component i used to import bulk resouroes from the Windows server into the CCT database?

When analyzing life cydcle of a Web chat contact in Avaya Aura Contact Center:
Step 1 states the Contact Center Multimedia receives contacts from the External Web server through the Contact Center Multimedia Web services, Step 2 states that the Web services provide a Java API that enables contacts to be written Into the Contact Center Multimedia database, retrieved from the database, and have their status queried.
What Is Step 3 in the life cycle of a Web chat contact In Avaya Aura Contact Center?