The GearBrain guide to setting up Alexa Drop It, which lets you use your Echo and Sonos speakers as a smart home intercom system
Alexa Drop In turns multiple Echo and Sonos devices into a simple intercom system for chatting between rooms.
Alexa Intercom- How To Use Alexa As An Intercom In 3 Simple Steps
Alexa drop in – how to use your Echo as an intercom
How to Use Alexa's Drop-In Feature
How to Use Alexa's Drop In Feature : HelloTech How
How to Use Your Alexa Device as an Intercom
Alexa Drop In, Alexa Intercom & Announcement with Echo Dot, Echo Show and Phone
Finally! use ALEXA as an intercom!
How to use Alexa's intercom feature - The Verge
Alexa Intercom - How to use Alexa as an Intercom with Echo and Drop In