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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 brings rich communication APIs for voice, video, chat, SMS, and email to all your applications on any device and any platform using the same reliable and secure infrastructure as Microsoft Teams.

Communication services for video, voice, chat, and text messaging delivered anywhere, using a wide variety of SDKs and APIs

Open-source SDKs to create personalized communication experiences and seamless interoperability with Microsoft Teams

Fully managed Azure platform to streamline development

Certified compliant communication API, video API, and SMS API platform that meets HIPAA, GDPR, SOC2, and more standards

Build custom app experiences connected to Microsoft Teams

Improve interactions with customers by streamlining voice, video, and chat communications through your custom-built app on the Microsoft Teams platform. Voice over Internet Protocol (VoIP) and chat usage is only billed to your Azure resource when using Azure APIs and SDKs, which means 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

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

Scale up or down with a proven global platform

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

Watch the video

Enhance productivity with Azure services and tools

Integrate communications capabilities with other Azure services. 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 your communication experiences.

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 APIs 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 that are run through extensive verification.

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

Production-ready Email APIs

Get high-volume sending support for application-to-person use cases.

Send mail from your own verified domains.

Follow easy onboarding steps to quickly add email capabilities to your applications.

Measure success and engagement with email analytics.

Get started with an Azure free account

Start free. Get $200 credit to use within 30 days. While you have your credit, get free amounts of many of our most popular services, plus free amounts of 40+ other services that are always free.

After your credit, move to pay as you go to keep building with the same free services. Pay only if you use more than your free monthly amounts.

After 12 months, you'll keep getting 40+ always-free services—and still pay only for what you use beyond your free monthly amounts.

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


"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


"By building our LinkedIn Video Meetings feature with Azure Communication Services, we're helping our members be more productive. They can launch video conferences without leaving the LinkedIn platform."

Christian Byza, Principal Product Manager for Virtual Events

"Azure and helped us move quickly so we could hit the ground running during COVID-19—and keep residents' data secure."

Gail Roper, Chief Information Officer

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.

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

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

Get started with Communication Services
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