Omnichannel customer-communication APIs — voice calls, SMS, email, chat, video, plus a Calling SDK for embedding telephony in custom apps. Same network and identity model Microsoft Teams runs on, exposed as REST + SDKs for ISVs.
FluffyStack toolsJurisdictional exposure
Attributes
- Ga Year
- 2021
Sub-services (5)
Voice Calling
PSTN inbound/outbound calling with carrier-grade SIP backbone
SMS
Programmable SMS to and from short codes and toll-free numbers
Transactional and marketing email APIs with custom-domain sending
Chat
Real-time multi-party chat threads with delivery receipts
Calling SDK
Embed Teams-grade voice/video into web and mobile apps
Compliance & Certifications
This service is attested for the following frameworks. Always verify with the provider before relying on a specific compliance posture.
Where this runs
Sovereign regions (13)
- Australia Central · CanberraAzure Australia Government
- Australia Central 2 · CanberraAzure Australia Government
- US Gov Virginia · VirginiaAzure Government (US)
- US Gov Arizona · ArizonaAzure Government (US)
- US Gov Texas · TexasAzure Government (US)
- US DoD East · VirginiaAzure Government (US DoD regions)
- US DoD Central · IowaAzure Government (US DoD regions)
- China North (Beijing) · BeijingMicrosoft Azure operated by 21Vianet
- China East (Shanghai) · ShanghaiMicrosoft Azure operated by 21Vianet
- China North 2 · BeijingMicrosoft Azure operated by 21Vianet
- China East 2 · ShanghaiMicrosoft Azure operated by 21Vianet
- China North 3 · HebeiMicrosoft Azure operated by 21Vianet
- China East 3 · ShanghaiMicrosoft Azure operated by 21Vianet
Commercial regions (61)
Europe (21)
- Austria East
- Belgium Central
- Denmark East
- Finland Central
- France South
- France Central
- Germany North
- Germany West Central
- Greece Central
- North Europe
- Italy North
- West Europe
- Norway East
- Norway West
- Poland Central
- Spain Central
- Sweden Central
- Switzerland West
- Switzerland North
- UK West
- UK South
North America (13)
- Canada East
- Canada Central
- Mexico Central
- West US
- East US 3
- North Central US
- Central US
- West US 3
- South Central US
- East US
- East US 2
- West US 2
- West Central US
South America (3)
- Brazil Southeast
- Brazil South
- Chile Central
Asia (14)
- East Asia
- South India
- India South Central
- Jio India West
- West India
- Jio India Central
- Central India
- Indonesia Central
- Japan West
- Japan East
- Malaysia West
- Southeast Asia
- Korea South
- Korea Central
Oceania (3)
- Australia East
- Australia Southeast
- New Zealand North
Middle East (5)
- Israel Central
- Qatar Central
- Saudi Arabia Central
- UAE Central
- UAE North
Africa (2)
- South Africa West
- South Africa North
Tags
Equivalent services on other platforms
Fully managed publish/subscribe messaging and notifications with fan-out to SQS, Lambda, HTTPS endpoints, mobile push notifications, SMS, and email delivery
Scalable transactional and bulk email sending and receiving with deliverability tooling (DKIM, SPF, DMARC, BIMI), virtual deliverability manager, and complaint feedback loops
Multi-channel customer messaging — SMS (10DLC, short codes), MMS, voice, push, and email — with segmentation, journeys, A/B testing, and engagement analytics
Embeddable real-time audio, video, screen-share, and chat for custom applications — meetings, webinars, telehealth, and contact centres with PSTN dial-in and voice-focus noise suppression
WebRTC infrastructure for voice, video, and data channels — SFU + TURN as managed services with global anycast routing, replacing self-hosted Janus / Mediasoup. Formerly branded Cloudflare Calls until the 2025 rename.
Transactional email sending service with DKIM signing, SPF support, suppression lists, and bounce / complaint handling. Designed for application notifications, password resets, and transactional flows — not bulk marketing.