Amazon Chime now provides users an integrated room experience on Dolby Voice Room. Amazon Chime now lets you join meetings with a single tap or by saying “Alexa, start the meeting” when using Amazon Chime with Alexa for Business on Dolby Voice Room. You can easily share content, get a visual roster with attendee information, and use enhanced whiteboard features during your meeting.  

from Recent Announcements https://aws.amazon.com/about-aws/whats-new/2019/10/amazon-chime-now-supports-an-in-room-experience-on-dolby-voice-room/