379 / | HD | TELEPHONIC COMMUNICATIONS |
67.1 | DF | AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS {13} |
88.01 | .~ Voice activation or recognition {3} | |
88.02 | DF | .~.~> Voice verification (e.g., voice authorization, voiceprint, etc.) |
88.03 | DF | .~.~> Voice dialing |
88.04 | DF | .~.~> Voice controlled message management |