Azure Communication Services
Build multichannel communication experiences
Reach more customers across devices and platforms
Azure Communication Services offers multichannel communication APIs for adding voice, video, chat, SMS, email, and more to all your applications.
Communication services for video, voice, chat, SMS across applications, websites, and mobile platforms
Certified compliant communication platform to meet your business needs, including HIPAA, GDPR, and SOC 2 standards
Streamlined development on a fully managed Azure platform with GitHub and Visual Studio tools
Open-source SDKs to create engaging experiences, and seamless communication interoperability with Microsoft Teams
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 billed to your Azure resource only when using Azure APIs and SDKs, which means usage for Teams app users interacting with Azure Communication Services applications is free.*
*VoIP and chat usage for Microsoft Teams app users are included with Microsoft 365 licenses.


Engage customers with API-enabled communication
Connect people across web and mobile apps. Add communication workflows to applications using 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.


Enhance communications with Azure services and tools
Azure services are designed to work together. For example, connect Azure Bot Service and Azure Communication Services telephony capabilities to improve your customer experience, using voice assistants for handling customer calls. Tap into Azure AI Services for translation and sentiment analysis of chat messages. Easily build SMS–based automation workflows connected to business-critical systems using Azure Event Grid and Logic Apps.
Comprehensive security and compliance, built in
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Microsoft invests more than USD 1 billion annually on cybersecurity research and development.
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We employ more than 3,500 security experts dedicated to data security and privacy.
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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 a session quickly 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.
Build messaging 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 and text messaging.
Eliminate unsolicited calls or texts by using clean numbers that are run through extensive verification.
Connect your on-premises equipment and carrier of choice using 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
Helge Myklebust, Director of Research, 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."

Philipp Beck, CEO, Luware"Partnering with Microsoft and using Azure Communication Services … [empowers] companies to truly realize their multichannel strategy with Microsoft Teams as their central communication tool."

Axel Schardt, Lead Skill & Service Level Management, Degussa Bank AG"Azure Communication Services and other Microsoft 365 components inspired us to develop our Digital Bank-Shop in collaboration with Luware. Luware uses Azure Communication Services 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."

Christian Byza, Principal Product Manager for Virtual Events, LinkedIn"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."

Gail Roper, Chief Information Officer, Montgomery County (Maryland) Government"Azure and Zammo.ai helped us move quickly so we could hit the ground running during COVID-19—and keep residents' data secure."

Azure Communication Services resources
Overview
Frequently asked questions about Azure Communication Services
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Voice and video calling (VoIP only) and chat services are available globally, with customer data storage and support available only in the United States. Text-messaging toll-free numbers are available in the United States, Canada, and Puerto Rico. Short codes are available in the United States only. Telephony services are available in the United States, Puerto Rico, the United Kingdom, Ireland, Denmark, Canada, Italy, and Sweden.
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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.