You thought you had assigned the Text to Speech feature to certain users in a class of service, however after importing them using the Bulk Import Utility the feature is not working for any of them. What could be the cause?

A.
You selected the incorrect class of service while using the Bulk Import Utility.

B.
You forgot to fill in the TTS_FEATURE field.

C.
You selected the incorrect subscriber template when using the Bulk Import Utility.

D.
You selected the incorrect Exchange mailstore when importing the subscribers.