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Azure Communication Services

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

Build engaging communication experiences at scale

Azure Communication Services is a platform with rich communication APIs, video APIs, and SMS APIs for deploying your applications across any device, on any platform, using the same reliable and secure infrastructure that powers Microsoft Teams.

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 platform 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 security using a secure and compliant cloud.

Engage customers with API-enabled communications

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

Build custom app experiences connected to Microsoft Teams

Connect users of your custom-built app with users on Microsoft Teams via voice, video, or chat. Plus, with Azure Communication Services on the back-end connecting to Microsoft Teams, developers enjoy free VoIP and Chat usage for Teams app users.*

Learn more

*VoIP and chat usage for Microsoft Teams endpoints are included with M365 licenses.

Scale up or down with a proven global platform

Benefit from a global, low-latency network that automatically scales to meet your demands. Deliver reliable enterprise-grade calling, chat, and messaging capabilities with just a few lines of code.

Watch the Microsoft Mechanics video

Enhance your communications with Azure services and tools

Connect to Azure Bot Services and 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 back-end systems with Azure Event Grid and Logic Apps.

Learn more about Azure Bot Services

Largest security and compliance portfolio

  • Built to meet compliance needs such as HIPAA and the General Data Protection Regulation.
  • Get built-in security controls, including network security and encryption.
  • Take advantage of capabilities like Azure Active Directory identity to simplify security.
  • Microsoft invests more than USD 1 billion annually on cybersecurity research and development.
  • We employ more than 3,500 security experts who are 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.

High-quality audio and video

Take advantage of low-latency 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 Azure services Logic Apps and Event Grid.

End-to-end communication scenarios with telephony capabilities

Provision numbers that support inbound and outbound calling.

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

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 Teams apps users. Standard VoIP and Chat pricing applies to participant usage on Azure Communication Services endpoints.

    Learn more

    *VoIP and chat usage for Microsoft Teams endpoints are included with M365 licenses.

Ready when you are—let’s set up your Azure free account

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