A customer calls into the Cisco Unity Connection-based auto-attendant of an organization and chooses an option to find an employee extension by entering the last name using the keypad. Which…

Class of service defines the features and permissions available to Unity Connection users and has no role in providing callers with directory name search functionality.

Directory handlers in Cisco Unity Connection provide a name-lookup feature that queries the subscriber directory when a caller spells a name using the phone keypad. The handler matches the input against subscriber first or last names and transfers the caller to the located extension. This is the dedicated feature for dial-by-name lookups invoked from an auto-attendant.

Call handler templates define default settings used when creating new call handlers and do not implement any caller-facing directory search capability.

User templates define default settings applied when creating new subscriber accounts in Unity Connection and are unrelated to caller-initiated directory lookups.

Interview handlers collect caller responses by playing a series of recorded questions and storing the audio, which is unrelated to searching a name directory.