Twilio Add-on and Integration

What features are available with the VoiceBase High Accuracy Transcription Add-on?

Features available are dual-channel (stereo), PCI detection and redaction, Custom Vocabulary, Keywords and Topics, and Keyword Spotting.
The steps for enabling dual channel with the Add-on may be found here.
The other features may be configured in the Twilio console when logged in to your Twilio account.

What is the difference between the Add-on and a direct VoiceBase-Twilio integration?

A direct integration means taking your Twilio recordings and transcribing them directly through the VoiceBase API, opening up full use of all features.
Click here for an integration guide.