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Azure Communication Services

Build rich communication experiences with the same secure platform used by Microsoft Teams

Build engaging communication experiences at scale

Azure Communication Services is a set of rich communication APIs, video APIs, and SMS APIs for deploying your applications across any device, on any platform.

Reach customers anywhere with a fully managed platform

Deliver video, voice, chat, text messaging, and telephony experiences anywhere your customers are—across your applications, websites, and mobile platforms.

Scale with a global infrastructure used by Microsoft Teams

Use a reliable global platform trusted by millions of people daily.

Build on a secure and compliant cloud

Reach more customers without compromising trust using a secure and compliant cloud.

Build custom app experiences connected to Microsoft Teams

Improve customer interactions by streamlining voice, video, and chat experiences between people using your custom-built app and people on Microsoft Teams. As a bonus, VoIP and chat usage is only billed to your Azure resource when using Azure APIs and SDKs. Meaning usage for Microsoft Teams app users interacting with Azure Communication Services applications is free.*

*VoIP and chat usage for Microsoft Teams endpoints are included with Microsoft 365 licenses.

Build custom app experiences connected to Microsoft Teams

Engage customers with API-enabled communication

Connect people across web and mobile apps. Add communication workflows to applications with flexible SDKs and APIs for common platforms and languages including iOS, Android, Web, .NET, and JavaScript.

Scale up or down with a proven global platform

Deliver reliable enterprise-grade calling, chat, and messaging capabilities from a global, low-latency network that automatically scales to meet your demands.

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Enhance your communications with Azure services and tools

Azure services are designed to work together. For example, connect Azure Bot Service with Azure Communication Services telephony capabilities to improve your customer experience with intelligent voice assistants for handling customer calls. Tap into Azure Cognitive Services for translation and sentiment analysis of chat messages. Easily build SMS-based automation workflows connected to business-critical systems with Azure Event Grid and Logic Apps.

Learn more about Azure Bot Service

Largest security and compliance portfolio

  • Built to meet compliance needs such as HIPAA and the General Data Protection Regulation (GDPR).
  • Get built-in security controls, including network security and encryption.
  • Take advantage of capabilities like Azure Active Directory identity management to simplify security.
  • Microsoft invests more than $1 billion annually on cybersecurity research and development.
  • We employ more than 3,500 security experts dedicated to data security and privacy.
  • Azure has more certifications than any other cloud provider. View the comprehensive list.

Flexible pricing that scales with your needs

Meet your organization's business needs and budget with competitive pay-as-you-go pricing.

Azure Communication Services APIs

High-quality audio and video

Take advantage of low-latency network capabilities for an uninterrupted calling experience.

Build and control the communication experiences you want.

Seamlessly shift between voice and video calls in a multichannel communication experience.

Chat capabilities that strengthen real-time connection

Launch into a session with a single click for real-time response.

Personalize customer conversations with an agent chat interface.

Easily manage growing customer service needs with a fast time to resolution.

Fastest-growing method of connecting with customers

Deliver important information to customers anytime, anywhere.

Improve on-the-go interactions with rich media interoperability and seamless connections.

Use SMS with existing applications and workflows with Logic Apps and Event Grid.

Drive customer engagement at scale with easy, automated short code functionality.

End-to-end communication scenarios with telephony capabilities

Provision numbers that support inbound and outbound calling as well as SMS messaging.

Eliminate unsolicited calls or texts with clean numbers run through extensive verification.

Connect your on-premises equipment and carrier of choice with direct routing.

Get started with Azure Communication Services


Explore the technical overview, quickstarts, tutorials, and more.

SDKs and samples

Get up and running while experimenting with samples.

Trusted by companies of all sizes

Laerdal Medical

"With Azure Communication Services, we provide rescuers with support and real-time CPR feedback from informed, expert dispatchers with the hope of saving more lives."

Helge Myklebust, Director of Research, Laerdal Medical
Laerdal Medical


"There are tremendous opportunities for businesses by using video, voice and chat on their website to deliver convenient and efficient customer service – whether it's for banking advisory, sales assistance, or remote support. At Luware, we have a passion for innovating with the most modern technology to develop software that enables exceptional customer interactions. Partnering with Microsoft and using Azure Communication Services allows us to incorporate Microsoft services into our customer service suite 'Nimbus', empowering companies to truly realize their multichannel strategy with Microsoft Teams as their central communication tool."

Philipp Beck, CEO, Luware

Degussa Bank

"Azure Communication Services (ACS) and other Microsoft 365 components inspired us to develop our Digital Bank-Shop in collaboration with Luware. Luware uses ACS to provide a Teams endpoint in our Digital Bank-Shop: Our customers from all over the country can see the presence status of their bank advisor and start a video or voice call."

Axel Schardt, Lead Skill & Service Level Management at Degussa Bank AG
Degussa Bank

Communication Services updates, blogs, and announcements

Frequently asked questions about Azure Communication Services

  • Voice and video calling (VoIP only) and chat services are available globally, with customer data storage and support available only in the US. SMS and telephony capabilities are available only in the US.
  • Developers enjoy free VoIP and chat usage for Microsoft Teams app users. Standard VoIP and chat pricing apply to participant usage on Azure Communication Services endpoints. VoIP and chat usage for Microsoft Teams endpoints are included with Microsoft 365 licenses.

    Learn more about pricing

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