Improvements in speech recognition in recent years have pushed voice user interfaces into the contact center. But for voice interactions to truly provide better CX than staying with touchtone options, there are a few best practices to follow.
http://cmswire.com/digital-experience/getting-started-with-voice-user-interface-design/
IBM has been an industry leader in pursuing great design for decades: the company’s trailblazing CEO Thomas Watson Jr., famously declared that “good design is good business,” and today, IBM employees some 1600 designers in 20 countries around the world. Now IBM is extending the full depth of its design philosophy to its clients, design general manager Phil Gilbert announced at the Fortune, Time, and Wallpaper* Brainstorm Design conference in Singapore on Wednesday.
http://fortune.com/2018/03/07/ibm-enterprise-design-thinking/