Published 06 Dec 2013
With the rise of more advanced Voice User Interfaces (VUI's) such as Siri on iOS and Voice Search on Google there's definitely a need for good design principles. Here's 6 principles, developed by Stephen Gay at Intuit.
Source: Mobile Voice 2012 at Slideshare
Introduce yourself and establish communication preferences.
Make it easy for users to start the conversation at any time.
Show that you're listening, through both words and actions.
Be responsive and socially sensitive in your interactions.
Convey meaning by what you say and how you say it.
Anticipate what kind of conversation will suit the situation.