Azure Communication Services (ACS) is a cloud-based set of libraries and APIs provided by Microsoft for building real-time communication experiences. It enables developers to integrate voice, video, chat, SMS, and email into web, mobile, and desktop applications using the same underlying infrastructure that powers Microsoft Teams.
Brand Authority Index (BAI): 88/100
Archetype: Challenger
Category: Technology
https://optimly.ai/brand/azure-communication-services-acs
Last analyzed: April 11, 2026
Founded: 2020
Headquarters: Redmond, Washington, USA