Alexa for Business helps you simplify your conference room experience. It lets you use your voice to start meetings and control your conference equipment. You can say “Alexa, join my meeting” and Alexa starts your scheduled meeting. When there is no meeting on the calendar, Alexa prompts you for a meeting ID to start a one-time meeting. Alexa for Business integrates with conferencing equipment providers, such as Cisco Telepresence and Zoom Rooms.

In this blog post, AWS describe how Alexa for Business integrates with Cisco Telepresence video conferencing endpoints.

https://aws.amazon.com/blogs/business-productivity/setting-up-alexa-for-business-with-cisco-telepresence-video-conferencing/